Layes v. RHP Properties, Inc. ( 2019 )


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    18-P-218                                              Appeals Court
    ROSA LAYES1 & another2     vs.   RHP PROPERTIES, INC., & another.3
    No. 18-P-218.
    Middlesex.       November 14, 2018. - August 28, 2019.
    Present:    Hanlon, Massing, & Ditkoff, JJ.
    Mobile Home. Manufactured Housing Community. Oil and Gas.
    Regulation. Consumer Protection Act, Unfair or deceptive
    act, Class action. Practice, Civil, Summary judgment,
    Class action, Consumer protection case.
    Civil action commenced in the Superior Court Department on
    April 22, 2015.
    Motions for summary judgment were heard by Kenneth J.
    Fishman, J.; a motion for class certification was heard by S.
    Jane Haggerty, J.; and the entry of judgment was ordered by
    Fishman, J.
    1   On behalf of herself and all others similarly situated.
    2   Francis Layes.
    3 Chelmsford Group, LLC. The defendants' third-party claims
    against Gagnon Brothers Oil Company, Inc., and Leo Marchand,
    Inc., doing business as Colonial Oil, successor in merger
    between Chelmsford Colonial Oil, Inc., and Leo Marchand, Inc.,
    were dismissed, and the defendants have withdrawn their appeal
    from that decision. The third-party defendants have not
    participated in this appeal.
    2
    Ethan R. Horowitz for the plaintiffs.
    Trevor J. Keenan for the defendants.
    Maura Healey, Attorney General, & Daniel A. Less, Assistant
    Attorney General, for the Attorney General, amicus curiae,
    submitted a brief.
    HANLON, J.   RHP Properties, Inc. (RHP Properties), a large
    owner and operator of manufactured housing communities, has a
    nationwide policy requiring its residents to pay for the
    maintenance, repair, and replacement of their privately-owned,
    individually-metered fuel tanks.   The main question posed in
    this appeal is whether that policy passes muster under the
    provisions of the Manufactured Housing Act, G. L. c. 140,
    §§ 32A-32S (act), and the Attorney General's regulations
    promulgated thereunder, 940 Code Mass. Regs. §§ 10.00 (1996)
    (Attorney General's regulations).4,5   A judge of the Superior
    Court decided that it did not, and entered judgment for the
    individual plaintiffs, Rosa and Francis Layes.   We agree with
    that decision, but conclude that the denial of Rosa's6 motion for
    class certification by another judge (motion judge) constituted
    4 We acknowledge the amicus brief submitted by the Attorney
    General.
    5 All citations to 940 Code Mass. Regs. §§ 10.00 are for the
    year 1996.
    6 To avoid confusion, we refer to Rosa and Francis Layes
    individually by their first names.
    3
    an abuse of discretion.   Accordingly, we affirm in part and
    reverse in part.
    Background.   None of the operative facts is in dispute.
    Rosa and Frank Layes live at Chelmsford Commons, a manufactured
    housing community with approximately 250 home sites (Chelmsford
    Commons or CC park).7,8   The Layeses, like some eighty percent of
    the CC park residents, heat their manufactured home primarily
    with oil, which is stored in an above-ground tank situated on a
    cement pad adjacent to their home.   The oil tank serves only
    their home.9   Pursuant to their lease agreement, the Layeses and
    all CC park residents are responsible for purchasing their own
    fuel oil.
    In 2006, the Layeses purchased a new tank.    The CC park
    rules at the time tied utility maintenance duties to the
    location of the systems; the park's operators were responsible
    for everything on the exterior of the homes, while residents
    7 Consistent with the unique nature of manufactured housing
    community living, the Layeses own their home, but rent the land
    on which their home sits.
    8 The majority of the CC park residents are elderly or
    disabled, and receive low to moderate income.
    9 The oil tank was situated eight inches from the home in
    plain view from the home's rear window; it had a fuel gauge on
    top.
    4
    were responsible for everything in the interior.10   However,
    par. 9.h of the rules specifically required the residents to
    maintain their own oil tanks.11
    In April, 2011, RHP Properties purchased the CC park
    through the Chelmsford Group, LLC (Chelmsford Group)
    (collectively, defendants).12   Thereafter, a document titled
    "Chelmsford Commons Rules and Regulations," dated April 22,
    2011, was circulated to the park residents showing that par. 9.h
    had been deleted.   (Paragraph 9 otherwise remained unchanged.)
    10Paragraph 9 of the Rules of Chelmsford Mobile Home Park,
    effective September 30, 2008, the provision governing utilities,
    stated that
    "a. . . . The owner/operator shall provide, pay for,
    maintain, and repair systems for providing water, sewage
    disposal, and electricity up to the point of connection
    with each manufactured home, in accordance with applicable
    laws"; and
    "b. . . . The tenants are responsible for paying for the
    maintenance and repair of utilities from the point of
    connection to the manufactured home to the inside of the
    home."
    11Paragraph 9.h of the Rules of Chelmsford Mobile Home
    Park, effective September 30, 2008, stated:
    "Oil Barrels: Tenants are responsible for the
    maintenance and upkeep of their oil tanks and are
    responsible for complying with all city and state
    ordinances."
    12RHP Properties, the Chelmsford Group, and their property
    manager qualify as owners and "operators" of a manufactured
    housing community for purposes of the act. See 940 Code Mass.
    Regs. § 10.01.
    5
    The Attorney General later approved the March, 2013, version of
    these rules, which contained the same allocation of maintenance
    duties as the 2011 rules and regulations.13
    Notwithstanding these "official" CC park rules, the
    defendants implemented a policy placing all burdens and costs
    associated with the home heating oil systems on the residents.14
    The defendants required new and renewing residents to sign
    standard lease agreements that made the residents responsible
    for "the maintenance and replacement of any above ground oil or
    fuel storage tanks."   The policy was described in an "addendum"
    to the park rules and was posted in the park management office.
    13No park rule may be implemented without first submitting
    the proposed rule to both the Attorney General and the Director
    of the Department of Housing and Community Development for
    approval. See G. L. c. 140, § 32L (5). There is evidence in
    the record that, dating back to 1998, two years after the
    Attorney General's regulations were promulgated, the Attorney
    General's Office interpreted the regulations to place the duty
    to install, repair, and maintain above-ground oil tanks on the
    park owner.
    14The Chelmsford Commons policy is consistent with RHP
    Properties' nationwide policy to hold park residents responsible
    for all aspects of their oil tanks, including maintenance,
    repair, replacement, and remediation work in the event of spills
    -- irrespective of the residents' negligence or misconduct.
    Joseph Carbone, an RHP Properties vice president, likened the
    fuel tanks to privately-owned automobiles. According to
    Carbone, if a privately-owned automobile leaks oil all over the
    home site, the resident should be responsible for the clean-up
    costs. RHP Properties applies the same reasoning to home
    heating fuel tanks.
    6
    The defendants admit that at no time have they maintained,
    repaired, or replaced any exterior components of the residents'
    home heating oil systems in the CC park.     They have required the
    residents to do the following with respect to the exterior
    components:    (1) the sanding and painting of rusted oil tanks;
    (2) the connection of the tanks to the homes and the removal of
    unused tanks; and (3) the installation of either protective
    sleeves on the fuel lines connecting the tanks to the homes or
    oil safety valves.15    Many residents who failed to perform this
    work at their own cost were threatened with legal action or were
    sued by the defendants.
    On May 21, 2014, the Layeses smelled oil on their home
    site.     Francis discovered oil leaking from the bottom of the
    tank.     The Layeses immediately placed a container under the tank
    to catch the oil, and notified CC park maintenance employee
    Ronald Hennessey and their oil supplier, Gagnon Brothers Oil
    Company (Gagnon).     A Gagnon employee responded and pumped the
    remaining oil in the tank into a temporary transfer tank.     The
    compromised tank was removed from the site and destroyed.
    Thereafter, Hennessey and an RHP Properties manager informed
    Rosa that it was the Layeses' duty to replace the tank.     The
    15The third requirement was imposed in order to bring all
    oil tanks in the CC park into compliance with G. L. c. 148,
    § 38J (b). See St. 2008, c. 453, § 3, effective September 30,
    2011.
    7
    Layeses, who had two small children, could not afford the cost
    of a new tank.   In September, 2014, the defendants rented a
    temporary tank for the Layeses and had it connected to their
    home.
    When Rosa attempted to schedule an oil delivery in January,
    2015, Gagnon refused to provide additional oil until the Layeses
    purchased a new permanent tank.   Although Rosa contacted other
    oil suppliers, she was unable to find a supplier who would fill
    the temporary tank.   For the rest of the 2015 heating season,
    the Layeses rationed their remaining oil supply.   The
    temperature in their home routinely fell into the 50s (degrees,
    Fahrenheit) in the mornings.   On August 24, 2015, the Layeses
    observed the Chelmsford Commons manager and a third party
    disconnect, drain, and remove the temporary tank from their home
    site.
    Legal proceedings.   On April 22, 2015, the Layeses filed a
    complaint, alleging that the defendants' failure to maintain,
    repair, and replace the exterior components of their home
    heating system (and those of the other residents of the CC park)
    violated the act, the Attorney General's regulations, and G. L.
    cc. 93A and 186.   The defendants asserted counterclaims against
    the Layeses, alleging negligence and liability under G. L.
    c. 21E for the cleanup costs arising from the release of oil on
    the Layeses' home site.   On November 2, 2015, with winter
    8
    approaching, a judge of the Superior Court issued a preliminary
    injunction requiring the defendants to provide the Layeses with
    a new fuel tank and to connect it to their home.16
    Ruling on cross motions for summary judgment, a judge
    allowed the Layeses' renewed motion for partial summary judgment
    on their individual c. 93A claims and on the defendants' amended
    counterclaim.   Another judge subsequently denied Rosa's motion
    for class certification.   Final judgment in favor of the Layeses
    entered on their two substantive claims (under c. 93A and
    c. 186, § 14),17 and the judge awarded them three months' rent in
    damages as well as attorneys' fees.18   See G. L. c. 186, § 14.
    16On August 29, 2016, the Attorney General's Office sent a
    letter to the CC park manager, instructing RHP Properties to
    stop enforcing the November, 2015, version of the CC park rules,
    which had never been submitted for the Attorney General's
    approval as required by G. L. c. 140, § 32L (5). See 940 Code
    Mass. Regs. § 10.02(4) (making it an unfair or deceptive act or
    practice for park operators to enforce unapproved rules). The
    letter indicated that the 2015 CC park rule required residents
    to maintain and to replace their above-ground oil tanks and that
    the rule violated the Attorney General's regulations; further,
    the letter requested that RHP Properties assume the maintenance
    duties required by the regulations. When the defendants failed
    to respond, the Attorney General's Office reiterated the
    position and the requests in a follow-up letter sent to RHP
    Properties' Michigan office.
    17At the pretrial conference, the attorneys agreed that the
    remaining issues in the case could be decided on the papers
    without the necessity of a trial.
    18To the extent that the defendants argue that the trial
    court's award was based solely on the G. L. c. 93A finding in
    the Layeses' favor, the amount of the award demonstrates that
    9
    The judge also dismissed the defendants' counterclaims and
    permanently enjoined the defendants "from implementing or
    engaging in any policies or practices that contravene or violate
    940 Code Mass. Regs. §§ 10.03(2)(n) and 10.05(4)(d)."       These
    timely cross appeals followed.19
    As the defendants point out, were we to conclude that the
    judge erred in entering judgment for the Layeses on their
    individual claims, there would be no need to reach the merits of
    the certification ruling.    We start our analysis there.
    Discussion.   A.   Individual claims.   1.   Standard of
    review.   We review the allowance of a motion for summary
    judgment de novo, assessing whether, viewing the facts in the
    light most favorable to the nonmoving party (here, the
    defendants), the moving party (the Layeses) was entitled to
    judgment as matter of law.   See Homeowner's Rehab, Inc. v.
    Related Corporate V SLP, L.P., 
    479 Mass. 741
    , 750 (2018).
    Courts construe regulations in the same way as statutes,
    applying traditional canons of interpretation.     See Armata v.
    Target Corp., 
    480 Mass. 14
    , 19 (2018).    The words of a
    the judge imposed liability and statutory damages under G. L.
    c. 186, § 14.
    19The defendants have not argued that the judge erred in
    dismissing their amended counterclaim. We therefore deem all
    counterclaims waived. See Abate v. Fremont Inv. & Loan, 
    470 Mass. 821
    , 833 (2015). In addition, we note that Francis is not
    a party to the appeal from the class certification ruling.
    10
    regulation are given their usual and ordinary meaning.      
    Id. If the
    meaning of a term is clear, courts give effect to that
    language; but if the language is ambiguous enough to support
    more than one rational interpretation, courts will give effect
    to the interpretation that furthers the purpose of the framers.
    See Peterborough Oil Co., LLC v. Department of Envtl.
    Protection, 
    474 Mass. 443
    , 448 (2016).      The interpretation of a
    regulation is a question of law that is reviewed de novo.      See
    Morgan v. Massachusetts Homeland Ins. Co., 
    91 Mass. App. Ct. 1
    ,
    8 (2017).
    2.     Statutory scheme.   "Both the Legislature and the courts
    of the Commonwealth have recognized that manufactured housing
    communities provide a viable, affordable housing option to many
    elderly persons and families of low and moderate income, who are
    often lacking in resources and deserving of legal protection."20
    Greenfield Country Estates Tenants Ass'n v. Deep, 
    423 Mass. 81
    ,
    83 (1996).    The act was first enacted in 1939, in order to
    20Once fully set up on a foundation at a particular site
    and connected to utilities, manufactured houses generally are
    not relocated. See Commonwealth v. DeCotis, 
    366 Mass. 234
    , 238
    (1974). Thus, unlike tenants living in traditional residential
    housing, park residents cannot simply pack up their homes and
    move without losing a substantial asset. As individuals of
    limited means with limited housing options, park residents may
    be especially vulnerable to unfair park rules. See 
    id. at 243
    (tenants' willingness to pay resale fees where no services
    rendered therefor "demonstrate[d] the extent to which the [park
    owners] had their tenants at their mercy").
    11
    protect the rights of residents of mobile home parks.     See G. L.
    c. 140, §§ 32A-32S; Quinn v. Rent Control Bd. of Peabody, 
    45 Mass. App. Ct. 357
    , 359 (1998).   The law "provide[s]
    comprehensive and substantial rights to owners of manufactured
    homes who place such structures upon land rented by them."
    Danusis v. Longo, 
    48 Mass. App. Ct. 254
    , 255 (1999).
    Over the course of time, the Legislature has subjected park
    owners to progressively more extensive regulations.     See 
    Quinn, 45 Mass. App. Ct. at 359
    n.4.   In 1993, the Legislature further
    strengthened the protections of the act in two ways relevant to
    this litigation.   First, the Legislature made any violation of
    the act's provisions a per se violation of G. L. c. 93A.       See
    G. L. c. 140, § 32L (7), as amended by St. 1993, c. 145, § 12;
    
    Quinn, 45 Mass. App. Ct. at 364
    n.10.   At the same time, the
    Legislature authorized the Attorney General to promulgate
    regulations deemed necessary for the "interpretation,
    implementation, administration and enforcement" of the act.
    G. L. c. 140, § 32S.   As the statute made clear, the authority
    given to the Attorney General supplements the Attorney General's
    preexisting authority to regulate manufactured housing
    communities pursuant to the Consumer Protection Act.     See
    c. 140, § 32S; G. L. c. 93A, §§ 2, 9; 940 Code Mass. Regs.
    § 3.17 (1993) (regulating the landlord-tenant relationship).         To
    fulfill the statutory directive, the Attorney General
    12
    promulgated Title 940 Code Mass. Regs. §§ 10.00 (1996).     In
    these regulations, the Attorney General established detailed
    requirements concerning the respective rights and duties of park
    residents and operators.21
    3.   General Laws c. 93A, § 9, claims.   a.   Park operator's
    removal and replacement duties.    The Attorney General's
    regulations directly address the factual situation presented by
    this case.   If an oil tank leaks, as it did here, the cost of
    removing and replacing it belongs to the park operator unless
    the negligence of the resident caused "the environmental
    concerns or risks."    940 Code Mass. Regs. § 10.03(2)(n)
    (§ 10.03[2][n]).22    No other exception to the park operator's
    21For a more detailed discussion of the history and
    provisions of the act, the State sanitary code, and regulations
    and law guides promulgated by various Massachusetts Attorneys
    General, see Craw vs. Hometown America, LLC, U.S. Dist. Ct., No.
    18-12149 (D. Mass. Mar. 21, 2019) (denying motion to dismiss
    park residents' class action complaint charging defendants with
    unlawfully refusing to make necessary repairs to homesite
    infrastructure).
    22Title 940 Code Mass. Regs. § 10.03(2) provides in
    pertinent part:
    "It shall be an unfair or deceptive act or practice in
    violation of M.G.L. c. 93A for an operator:
    . . .
    "(n) to require any resident to pay for the removal or
    replacement of oil storage tanks on a home site to meet
    environmental concerns or risks not caused by the
    negligence of the resident, provided that the operator may
    13
    liability is provided.   As the Attorney General has explained,
    the regulation requires park operators to incur these costs
    initially because they are "usually better able to pay for or
    finance these costs upfront."   Attorney General's Guide to
    Manufactured Housing Community Law § II.D.8.h (March 2009)
    (Attorney General's Guide).23   Any operator who improperly
    transfers to the resident the financial responsibility for
    replacement costs commits an unfair or deceptive act or practice
    recover such costs as capital improvements in accordance
    with 940 CMR 10.03(2)(l)."
    23This provision in the 2009 Attorney General's Guide
    concerning "oil storage tanks" remained unchanged in the 2015
    version of the Guide. Section II.D.8.h of the 2009 Attorney
    General's Guide states:
    "Oil storage tanks. In recent years, community
    owner/operators have become concerned about their potential
    legal liability stemming from the environmental risks posed
    by leaking underground oil storage tanks. The [Attorney
    General] Regulations require that the cost of removing or
    replacing an oil storage tank should be initially incurred
    by the community owner/operator, who is usually better able
    to pay for or finance these costs upfront. Thus, you [the
    resident] may not be charged directly for the removal or
    replacement of oil storage tanks, but your community
    owner/operator may eventually recover such costs as capital
    improvements, in the manner allowed by law. 
    940 C.M.R. 10
    .03(2)(n). This general rule applies whether the tank is
    above or below-ground. There is one exception to the
    general rule: where your [the resident's] negligence has
    caused the environmental concern or risk posed by the oil
    tank, you may be held directly responsible for removing or
    replacing it."
    14
    in violation of G. L. c. 93A, § 2 (a).   See § 10.03(2)(n).    This
    clear and unambiguous language controls our decision here.
    The defendants, relying on the regulations "read in their
    entirety" and the provisions governing fuel charges for
    individually metered heating fuel sources and operator
    maintenance duties, see 940 Code Mass. Regs. §§ 10.05(4)(b)(3)
    and 10.05(4)(d), urge this court to carve out another exception
    to liability for privately-owned, individually-metered tanks.
    We decline to do so.   Clearly, it would be inappropriate to make
    a substantive change to the interpretation of a specific
    regulation by using language that the Attorney General did not
    see fit to include or even reference.    See Thurdin v. SEI
    Boston, LLC, 
    452 Mass. 436
    , 444 (2008) ("where there is an
    express exception in a statute, it comprises the only limit on
    the operation of the statute and no others will be implied").
    Moreover, we are not inclined to adopt a judicial gloss that not
    only conflicts with the Attorney General's Guide, but also
    contravenes the purpose of the act to allocate reasonably the
    burden of addressing relevant safety and environmental concerns,
    as well as to assist a vulnerable class "deserving of legal
    protection."   Greenfield Country Estates Tenants 
    Ass'n, 423 Mass. at 83
    .
    On the undisputed facts here, the Layeses were entitled to
    summary judgment on this aspect of their c. 93A claims.
    15
    Following the failure of their tank, RHP Properties attempted to
    require them to fund the cost of a replacement tank until the
    defendants were ordered to provide one by the trial court.24
    This unfair or deceptive act did not stand alone.    The
    defendants also had inserted in their standard lease agreement a
    provision placing an unconditional replacement duty on all of
    the residents, including the Layeses; in addition, the CC park
    rule to the same effect was posted only in the management
    office, far from scrutiny by the Attorney General.   Moreover,
    both the lease provision and the CC park rule were inconsistent
    with § 10.03(2)(n) and the Attorney General's Guide.   For these
    reasons, as a matter of law, the CC park rule placing the
    replacement burden on the residents in all cases was
    "unreasonable, unfair or unconscionable."25   G. L. c. 140,
    § 32L (1).   See § 32L (1) (prohibiting promulgation of such
    rules).   The defendants' actions violated the act and the
    24In the trial court, the defendants invoked the negligence
    exception to liability primarily on the basis that the Layeses
    admittedly did no maintenance work on their tank. As explained
    infra, it was the defendants who had the duty to maintain the
    tank.
    25Although the act does not define the word "rule," the
    Attorney General's regulations broadly define the word to mean
    "any written or unwritten rule, regulation, or policy imposed by
    an operator that governs procedures, conduct, or standards
    within the manufactured housing community . . . ." 940 Code
    Mass. Regs. § 10.01.
    16
    Attorney General's regulations, and constituted additional
    unfair and deceptive acts or practices within the meaning of
    c. 93A, § 2 (a).26   See G. L. c. 140, § 32L (7); 940 Code Mass.
    Regs. § 10.02(2), (3); Clark v. Leisure Woods Estates, Inc., 
    89 Mass. App. Ct. 87
    , 94 (2016).
    b.   Park operator's maintenance duties.   We turn to the
    legal question of more wide-reaching significance.    The Layeses
    claim that the defendants violated the Attorney General's
    regulations and c. 93A by placing the burden of maintaining the
    exterior components of the oil systems on the Layeses and all
    the CC park residents.    The defendants argue that, even if they
    can be held liable to the Layeses under c. 93A in the limited
    factual circumstances of this case, the defendants have no
    general duty under the Attorney General's regulations to
    "inspect, repair, service, and maintain" the residents' oil
    tanks.    The judge read the regulations to place the maintenance
    burden on the defendants.    We agree.
    The park operator's duties with respect to basic utilities
    are set forth in 940 Code Mass. Regs. § 10.05(4) (§ 10.05[4]).
    A park operator is required to make "basic utilities" available
    26The defendants did not challenge the Layeses'
    satisfaction of the other elements of their individual G. L.
    c. 93A, § 9, claims.
    17
    to each site.27   See § 10.05(4)(a),(b).   Basic utilities are
    defined in the regulations as the "utility services listed in
    . . . [§] 10.05(4)."   940 Code Mass. Regs. § 10.01.   Five
    essential utilities are listed therein:    electrical service of
    appropriate amperage, a natural gas connection if "economically
    reasonable," a sufficient supply of potable water, a sanitary
    sewage disposal system, and "electricity, natural gas, or other
    heating fuel" (i.e., a source of heat).    § 10.05(4)(b)(1)-(3).
    The regulations specify that the operator must not only
    "supply," but also "pay for" the water and the sewage disposal
    system.   See § 10.05(4)(b)(1), (2).   The operator must also
    "supply and pay for" the resident's heat unless the energy
    supply is separately metered to the individual home and the
    resident agrees to pay for the heat in the occupancy agreement.28
    27Pursuant to § 10.05(4)(f), any operator who intentionally
    interrupts utility service furnished under § 10.05(4)(a) or (b)
    is subject to liability under G. L. c. 186, § 14. See also the
    Attorney General's regulations governing landlord-tenant
    relationships, e.g., 940 Code Mass. Regs. § 3.17(6)(f) (1993)
    (making it an unfair and deceptive practice to willfully violate
    any provision of c. 186, § 14). Compare 940 Code Mass. Regs.
    § 3.17(6)(g)(1) (1993) (making it unfair and deceptive practice
    for owner obligated by law to provide gas or electric service to
    resident to fail to provide it).
    28This rule permitting park operators to shift heating
    costs to their residents is consistent with the State sanitary
    code. See 105 Code Mass. Regs. § 410.354(A) (2005) (metering of
    electricity and gas); § 410.355 (oil); Young v. Patukonis, 
    24 Mass. App. Ct. 907
    , 908-909 (1987).
    18
    See §§ 10.05(4)(b)(3) and 10.05(4)(e) (permitting use charges
    for utilities determined by metering).    The regulations permit
    the park operator to recover its expenses in providing these
    basic utility services through nondiscriminatory rent increases.
    See § 10.05(4)(c).
    The duty to maintain the park utilities is specifically
    governed by § 10.05(4)(d),29 which requires operators to install
    all basic utilities "to the point of connection at each
    manufactured home and [to] maintain[ them] in good repair and
    operating condition . . . without charge to residents . . . ."
    Home heating fuel falls within the definition of basic utility.
    The defendants, reading §§ 10.05(4)(b)(3) and 10.05(4)(d)
    together, argue that where, as here, they properly transferred
    the duty "to supply and pay for" the heating oil to the Layeses,
    all the defendants' other regulatory duties with respect to the
    29   Title 940 Code Mass. Regs. § 10.05(4)(d) provides in
    full:
    "The basic utilities described in 940 CMR 10.05(4)(a) and
    (b), as applicable, shall be installed to the point of
    connection at each manufactured home and maintained in good
    repair and operating condition by the operator without
    charge to residents, except as damage thereto is caused by
    the negligent act or omission or willful misconduct of a
    resident. All such installation and maintenance shall be
    in accordance with applicable laws, codes, and professional
    standards" (emphasis added).
    The language of this regulation is similar to language found in
    the State sanitary code. See 105 Code Mass. Regs. § 410.190
    (2005) (hot water); § 410.200 (2005) (heating facilities).
    19
    oil tanks -- including the duty to replace leaking tanks -- were
    eliminated.   We are not persuaded.   The text of § 10.05(4)(d)
    permits the park operator to pass on the cost of maintenance and
    repair if the resident, through negligence or willful
    misconduct, causes damage to the utility components.     As in
    § 10.03(2)(n), no other exception is provided.     If the Attorney
    General wanted to relieve operators from their other duties in
    this situation, she would have expressly included appropriate
    language in the regulations.   See 
    Thurdin, 452 Mass. at 444
    .
    The phrase "as applicable" in § 10.05(4)(d) does not
    support the defendants' argument that they have no duties at all
    with regard to individually-metered utilities.     We read the
    phrase "as applicable," which modifies both § 10.05(4)(a) and
    (b) (i.e., all basic utilities), simply to limit the park
    operator's duties to the basic utilities actually in use in the
    park.   If, for example, park residents heat with oil, no purpose
    would be served by requiring a park operator to install and to
    maintain gas lines and other unnecessary equipment.
    Nor can the plain meaning of the regulations be overcome by
    the defendants' policy arguments.     Many retired and disabled
    park residents are not in a position, physically or financially,
    to inspect regularly and maintain their oil tanks (or to hire
    professionals to do so).   For individuals struggling to pay for
    their basic living expenses, oil tank maintenance and
    20
    replacement is beyond their means.    In fact, an RHP Properties
    manager acknowledged that some park residents will "overlook"
    these duties, especially the seniors.
    In addition, as landowners, the defendants acknowledge that
    they are potentially responsible persons for any releases of
    hazardous materials at Chelmsford Commons.    See G. L. c. 21E,
    § 5.    Pollution to the environment caused by leaking oil tanks
    is not in anyone's interest, and remediation work, as the
    defendants have put it, can be "catastrophically expensive."       In
    light of that potential "traumatic" liability, the wisdom of a
    corporate policy imposing oil tank maintenance (and replacement)
    duties on residents living on fixed incomes is certainly one
    that the Attorney General had cause to question.
    Furthermore, the Attorney General reasonably could conclude
    that the defendants are in at least as good, if not better,
    position than the residents to perform these tasks.    The
    defendants' employees already monitor the condition of all the
    oil tanks in the CC park four times per year, checking for
    anything posing environmental concerns.30    Records of each
    inspection are kept in the park office.     These records can serve
    as a valuable reference guide in gauging when tank maintenance
    Routine inspections performed by the defendants'
    30
    employees involve making observations of the tanks (which
    generally leak from their bottoms), looking under the homes for
    signs of leaks, and checking the site for the odor of fuel oil.
    21
    and replacement should be scheduled.     As the Attorney General's
    Guidelines point out, park operators and management companies
    also are better positioned to keep up with new laws and industry
    practices relating to utility systems.    See, e.g., note 
    15, supra
    .    Finally, any harshness in what the defendants term an
    "oppressively burdensome" rule is softened by the defendants'
    ability to recoup, through community-wide, nondiscriminatory
    rent increases, the expenses incurred in maintaining the utility
    systems and in replacing oil storage tanks due to environmental
    concerns or risks.31   See, e.g., 940 Code Mass. Regs.
    §§ 10.03(2)(l), (n); 10.05(4)(c).
    Where a sensible construction of a regulation is available,
    we will not adopt an interpretation that leads to an illogical
    result.   See New England Power Generators Ass'n v. Department of
    Envtl. Protection, 
    480 Mass. 398
    , 411 (2018).    With respect to
    other basic utilities, the defendants acknowledge that, under
    their interpretation of the regulations, residents with
    individually-metered electricity and natural gas would be
    responsible for maintaining the exterior components of those
    utility systems leading up to their homes.    Components required
    31The defendants' concern for the rights of the residents
    posed by routine site inspections was not raised below, and we
    do not consider it further. See 940 Code. Mass. Regs.
    § 10.03(8)(b).
    22
    to provide electricity and gas service would include wires,
    transformers, and underground pipes.32    This result cannot be
    what the Attorney General intended.
    In sum, we see no error in the judge's interpretation
    placing the duty to maintain, repair, and replace the exterior
    components of oil heating systems upon the defendants.    The only
    exceptions to this rule are those involving resident negligence
    or misconduct.   Residents who cause the "environmental concerns
    or risks" are responsible to pay for removing and replacing
    compromised oil tanks.   § 10.03(2)(n).   Residents who damage the
    basic utilities in the park are responsible for the costs of
    repair.   However, the operator cannot justify asking a resident
    to pay for a replacement tank on the ground that the resident
    was negligent in failing to perform routine maintenance on the
    tank, which in fact is the park operator's responsibility under
    32We note that, even where the landlord is not required to
    pay for electricity and gas used in a dwelling unit, the State
    sanitary code still places the duty on the landlord to install
    and maintain the wiring and pipes. See 105 Code Mass. Regs.
    § 410.354(C) (2005). As the sanitary code has the same
    objectives and covers the same subject matter, its provisions
    should be read in pari materia with the Attorney General's
    regulations. See Commonwealth v. J.A., 
    478 Mass. 385
    , 387
    (2017) (in interpreting statutes, courts may find other statutes
    covering same subject instructive). See also Molly A. v.
    Commissioner of the Dep't of Mental Retardation, 69 Mass. App.
    Ct. 267, 281 (2007).
    23
    the regulations.     Thus, summary judgment was properly entered on
    this aspect of the Layeses' individual c. 93A claims.
    4.     General Laws c. 186, § 14, claims.   In defending the
    class action ruling, the defendants argue that Rosa cannot prove
    her quiet enjoyment claim individually and that she failed to
    establish a violation of G. L. c. 186, § 14 (§ 14).33     We
    disagree.    Liability already was established under § 14 as part
    of the final judgment.     (See note 
    18, supra
    .)   However, the
    judge did not state the ground or grounds upon which he
    predicated that liability.
    33   General Laws c. 186, § 14, provides, in relevant part:
    "Any lessor or landlord of any building or part thereof
    occupied for dwelling purposes . . . including a
    manufactured home or land therefor, who is required by law
    . . . to furnish water, hot water, heat, light, power, [or]
    gas . . . to any occupant of such building or part thereof,
    who willfully or intentionally fails to furnish such water,
    hot water, heat, light, power, [or] gas . . . at any time
    when the same is necessary to the proper or customary use
    of such building or part thereof . . . or who transfers the
    responsibility for payment for any utility services to the
    occupant without his knowledge or consent, or any lessor or
    landlord who directly or indirectly interferes with the
    quiet enjoyment of any residential premises by the occupant
    . . . shall be punished by a fine of not less than twenty-
    five dollars nor more than three hundred dollars, or by
    imprisonment for not more than six months. Any person who
    commits any act in violation of this section shall also be
    liable for actual and consequential damages or three
    month's rent, whichever is greater, and the costs of the
    action, including a reasonable attorney's fee . . . ."
    24
    The Layeses proceeded under three of the five prongs of
    § 14.   They alleged that the defendants' "refusal to assume
    responsibility for the maintenance, repair and replacement of
    the home heating oil system external components" constituted the
    (1) willful and intentional failure to furnish utility services
    required by law; (2) interference with their quiet enjoyment of
    their premises; and (3) transfer of the duty to pay for utility
    services without their consent.   See § 14; note 
    33, supra
    .      We
    conclude that the Layeses were entitled to judgment as matter of
    law under all three theories of liability.    The undisputed facts
    establish that the defendants refused to replace the Layeses'
    oil tank as required by § 10.03(2)(n).    In addition, as the
    second heating season without a permanent oil tank approached,
    the defendants removed the temporary tank and the fuel lines
    from the home site, leaving the family with no means to get home
    heating oil inside to their furnace.     This conduct amounted to
    the "willful[] . . . interrupt[ion of] . . . utility service[s]"
    for purposes of § 14 liability.   See 940 Code Mass. Regs.
    § 10.05(4)(f).
    Liability also could properly have been imposed under the
    second prong of § 14 asserted by the Layeses.    The term "quiet
    enjoyment" at common law signified the tenants' rights to be
    free from "serious interferences" with their tenancies.     Simon
    v. Solomon, 
    385 Mass. 91
    , 102 (1982).    Serious interferences
    25
    means "acts or omissions that impair the character and value of
    the leased premises" (quotation and citations omitted).    
    Id. Section 14
    codified these common-law rights.34   See Al-Ziab v.
    Mourgis, 
    424 Mass. 847
    , 850 (1997).   We note that, even where a
    landlord has not intended to violate a tenant's rights, the
    landlord may be held responsible for breaches of the covenant of
    quiet enjoyment that "flowed as the natural and probable
    consequence of what the landlord did, what he failed to do, or
    what he permitted to be done."   Blackett v. Olanoff, 
    371 Mass. 714
    , 716 (1977).
    Here, the defendants failed to provide the Layeses with the
    means to heat their home centrally during the winter.     As a
    result of the lack of adequate heating facilities, the
    conditions inside the home made it uninhabitable in the early
    morning hours.35   See 105 Code Mass. Regs. § 410.201 (2005)
    (establishing minimum temperature requirement of at least sixty-
    34The Supreme Judicial Court has observed that § 14
    "belongs to a body of statutes establishing tenants' remedies
    against landlords who fail to provide safe and sanitary
    housing." 
    Simon, 385 Mass. at 100
    .
    35As the defendants point out, the Layeses did have three
    other potential sources of heat in their home: a propane
    fireplace insert, a wood-burning stove, and a kerosene heater.
    These sources, however, were unable to provide adequate heat
    through the night. We also note that for safety reasons, a
    kerosene heater may not be used to satisfy the State sanitary
    code requirement that the owner provide heating "facilities."
    See 105 Code Mass. Regs. § 410.200(A), (B) (2005).
    26
    four degrees between 11:00 P.M. and 7:00 A.M.).    Heat is an
    essential service that "go[es] to the essence of what the
    landlord is to provide."   Charles E. Burt, Inc. v. Seven Grand
    Corp., 
    340 Mass. 124
    , 127 (1959).    Few things would more
    seriously impair the character and value of leased premises than
    lack of heat.   See 105 Code Mass. Regs. § 410.200(A) (2005)
    (heating facilities required); Abdeljaber v. Gaddoura, 60 Mass.
    App. Ct. 294, 301 (2004) (affirming award of three months' rent
    under c. 186 based on failure to provide tenants with adequate
    heat); Lowery v. Robinson, 
    13 Mass. App. Ct. 982
    , 982-983 (1982)
    (landlord's failure to provide heat during heating season
    qualified as serious impairment warranting c. 186 liability).
    Moreover, we conclude that the judge properly could have
    found for the Layeses on their third theory -- that the
    defendants violated the statutory bar against transferring their
    duty to pay for utility services.    Under the Attorney General's
    regulations, the park operator is required to provide basic
    utility services to the residents.   The operator is required to
    maintain the utilities in good repair and operating condition at
    no expense to the residents up to the point of connection to the
    home.   § 10.05(4)(d).   The undisputed facts here established
    that, through their standard lease, the defendants transferred
    their duties and costs to the Layeses.
    27
    We reject the defendants' argument that the Layeses' claim
    does not fit within the plain language of § 14.   The duty to
    provide "utility services," see 940 Code Mass. Regs. §§ 10.01,
    10.05(4), encompasses the duty to maintain and to replace the
    components required to deliver those services.    The defendants
    argue that the residents, through their leases, agreed to assume
    the maintenance and replacement duties and costs.    This argument
    fails.   As matter of law, the residents could not consent to a
    lease provision transferring the defendants' regulatory duties
    to them.   See 940 Code Mass. Regs. § 10.03(9)(b) (declaring any
    lease provision "which releases or limits the operator's
    liability arising under law . . . void and unenforceable");
    Trustees of the Cambridge Point Condominium Trust v. Cambridge
    Point, LLC, 
    478 Mass. 697
    , 705 (2018) (recognizing that some
    contracts are void as against public policy and will not be
    enforced); Berman & Sons v. Jefferson, 
    379 Mass. 196
    , 199 n.6
    (1979) (finding exculpatory clause in lease "of no effect");
    Boston Hous. Auth. v. Hemingway, 
    363 Mass. 184
    , 199 (1973)
    (holding that landlord's implied warranty of habitability cannot
    be waived by any lease provision).   Thus, notwithstanding the
    lease provision, the transfer of responsibility for the services
    occurred without the residents' consent.   The Layeses were
    entitled to judgment as matter of law under this prong of § 14
    as well.
    28
    Finally, the defendants argue that their conduct did not
    rise to the level of a "serious interference[]," 
    Simon, 385 Mass. at 102
    , with the Layeses' tenancy.       We disagree.   Even
    assuming, without deciding, that a serious or substantial
    interference was a required element of an unlawful transfer
    claim, the Layeses made that showing here.       The defendants
    implemented a policy that deprived the Layeses and other
    residents of necessary utility services to which they were
    entitled.    Moreover, despite complaints from residents and a
    warning from the Attorney General, the defendants failed to
    assume the duties required of them by the regulations.        See Al-
    
    Ziab, 424 Mass. at 850
    (noting that conduct involving some
    degree of fault is required to impose liability on landlord
    under § 14).    As a result, the Layeses were entitled to an award
    of three months' rent, an amount that was greater than their
    actual and consequential damages.36
    B.     Class certification.   1.   Procedural facts.   In Rosa's
    amended class action complaint, she sought the certification of
    a class of 240 current and former Chelmsford Commons residents
    who resided at the park at any time since April 22, 2011, and
    36Where, as here, the tenants remained in possession during
    the breach, "actual damages 'are measured by the difference
    between the value of what the lessee should have received and
    the value of what he did receive.'" Curtis v. Surrette, 
    49 Mass. App. Ct. 99
    , 104 (2000), quoting Darmetko v. Boston Hous.
    Auth., 
    378 Mass. 758
    , 761 n.4 (1979).
    29
    who heated their homes through oil-fueled systems.    Her amended
    class action complaint looked much like the Layeses' original
    complaint.    In it, she alleged that, since taking ownership in
    2011, the defendants had implemented an illegal policy affecting
    all members of the class, requiring the residents to maintain,
    repair, and replace the exterior components of their home
    heating oil systems.    She further alleged that the defendants'
    policy violated the act, the Attorney General's regulations, and
    c. 93A, and that the transfer of the above-listed
    responsibilities to the residents constituted a transfer of the
    responsibility to pay for utility services to the residents
    without their consent, in violation of c. 186, § 14.37    She
    asserted claims under c. 93A and c. 186 on behalf of herself and
    all members of the class, and sought permanent injunctive relief
    and compensatory damages for injuries arising from the
    defendants' refusal to carry out their regulatory obligations.38
    Specifically, she sought certification of a consumer class under
    G. L. c. 93A, § 9 (2);39 and certification of both the cc. 93A
    37   Other theories of liability have been waived.
    38As part of the final judgment entered in connection with
    their successful individual claims, the Layeses obtained the
    prospective, permanent injunctive relief they sought on behalf
    of the class members still in residence at the CC park.
    30
    and 186 claims under Mass. R. Civ. P. 23, as amended, 
    471 Mass. 1491
    (2015).40
    By the time the motion judge took up the motion for class
    certification, another judge had already found that the Layeses
    were entitled to judgment as matter of law on their individual
    c. 93A claims.   However, the motion judge denied Rosa's motion
    39General Laws c. 93A, § 9 (2), governs the certification
    of a class action under the consumer protection law and provides
    in relevant part:
    "Any persons entitled to bring such action may, if the use
    or employment of the unfair or deceptive act or practice
    has caused similar injury to numerous other persons
    similarly situated and if the court finds in a preliminary
    hearing that he adequately and fairly represents such other
    persons, bring the action on behalf of himself and such
    other similarly injured and situated persons . . . ."
    40Rule 23 of the Massachusetts Rules of Civil Procedure
    provides, in pertinent part:
    "(a) Prerequisites to Class Action. One or more members of
    a class may sue or be sued as representative parties on
    behalf of all only if (1) the class is so numerous that
    joinder of all members is impracticable, (2) there are
    questions of law or fact common to the class, (3) the
    claims or defenses of the representative parties are
    typical of the claims or defenses of the class, and (4) the
    representative parties will fairly and adequately protect
    the interests of the class.
    "(b) Class Actions Maintainable. An action may be
    maintained as a class action if the prerequisites of
    subdivision (a) are satisfied, and the court finds that the
    questions of law or fact common to the members of the class
    predominate over any questions affecting only individual
    members, and that a class action is superior to other
    available methods for the fair and efficient adjudication
    of the controversy."
    31
    for class certification, concluding that she had failed to meet
    the requirements of both c. 93A, § 9 (2), and rule 23.      Rosa
    appeals.
    2.    Standard of review.   We review a ruling denying class
    certification for abuse of discretion.     See Salvas v. Wal-Mart
    Stores, Inc., 
    452 Mass. 337
    , 361 (2008).     An abuse of discretion
    may be found if the motion judge relies on improper factors,
    engages in action that is "arbitrary, unreasonable, or
    capricious," or commits legal error (citation omitted).     
    Id. On a
    motion under either rule 23 or c. 93A, § 9 (2), plaintiffs
    must provide "information sufficient to enable the motion judge
    to form a reasonable judgment that the class meets the
    requirements of rule 23 [and c. 93A, § 9 (2)]; they do not bear
    the burden of producing evidence sufficient to prove that the
    requirements have been met" (emphasis added; citation omitted).
    Kwaak v. Pfizer, Inc., 
    71 Mass. App. Ct. 293
    , 297 (2008).
    The certification requirements of c. 93A, § 9 (2), and rule
    23 are not coextensive.    See Bellermann v. Fitchburg Gas & Elec.
    Light Co., 
    475 Mass. 67
    , 72 n.11 (2016).     The statutory class
    certification standard has a more "mandatory tone" than the
    rule.   
    Kwaak, 71 Mass. App. Ct. at 298
    .    In exercising
    discretion with respect to a c. 93A certification request, the
    public policy of Massachusetts strongly favoring c. 93A class
    actions should be considered.    See 
    Bellermann, 475 Mass. at 71
    .
    32
    Moreover, the judge should "bear in mind that our consumer
    protection statute was designed to meet a pressing need for an
    effective private remedy for consumers" (quotation and citation
    omitted).    Fletcher v. Cape Cod Gas Co., 
    394 Mass. 595
    , 605
    (1985).     In sum, the requirements of § 9 (2) are "easier to
    satisfy" than those of rule 23 (citation omitted).     Gammella v.
    P.F. Chang's China Bistro, Inc., 
    482 Mass. 1
    , 10 (2019).
    3.      General Laws c. 93A, § 9 (2), certification request.    A
    plaintiff will prevail on her motion for certification under
    c. 93A upon showings that (1) she was "entitled to seek relief
    under c. 93A for . . . injuries resulting from the defendant[s'
    alleged] unfair or deceptive act or practice"; (2) the
    "assertedly unfair or deceptive act or practice that caused
    [her] injuries 'caused similar injury to numerous other persons
    similarly situated'"; and that (3) the plaintiff "would
    'adequately and fairly represent[] such other persons.'"
    
    Bellermann, 475 Mass. at 72
    , quoting G. L. c. 93A, § 9 (2).
    Here, the motion judge, adopting the earlier summary
    judgment interpretation of the Attorney General's regulations,
    ruled that the defendants were responsible for maintaining,
    removing, and replacing the oil tanks.     However, she concluded
    that, while the defendants were "subject to liability under
    G. L. c. 93A if they require residents to pay for the removal or
    replacement" of their tanks, the defendants would not be liable
    33
    to CC park residents as to whom the defendants took no
    affirmative action with respect to their tanks.   To reach that
    conclusion, she reasoned that in order to commit an unfair or
    deceptive act or practice under c. 93A, an operator had to
    "impose" or "enforce" a rule or "otherwise take action" that
    conflicts with the act, the Attorney General's regulations, or
    other applicable law.    See 940 Code Mass. Regs. §§ 10.02(2),
    (3); 10.04(1)(a)(4).
    Applying this reasoning to the information submitted by
    Rosa, the judge found that, to the extent that the class action
    claim arose out of the "enforcement" of the lease provision,
    Rosa provided evidence that the defendants had enforced it
    against only eighteen households.   A putative class of this few
    in number, in the judge's view, failed to satisfy "the
    numerosity requirement of G. L. c. 93A, § 9 (2)."
    Next, the judge ruled that, absent some affirmative act,
    the mere existence of the lease provision did not amount to the
    "imposition" of a rule that violated 940 Code Mass. Regs.
    §§ 10.03(2)(n), 10.05(4)(d); and c. 93A.   Finally, the judge
    questioned whether the "similar injury" requirement could be met
    on a class-wide basis.
    The judge's class certification analysis was flawed, and as
    a result, remand is required to properly consider the class
    certification calculus.   To begin, the proposed class is
    34
    sufficiently numerous.    The plaintiff has defined the class as
    those current and former CC park residents, during a defined
    time period, who heated their homes "with a home heating oil
    system."    This class definition was appropriately definite.   The
    class members could be ascertained by objective criteria, and it
    is not contested that there were 240 such park residents.    It is
    the plaintiff's role to define the proposed class in the first
    instance, and where the proposed class is sufficiently definite,
    the judge ordinarily should not redefine it for numerosity
    purposes.
    The recent decision of the Supreme Judicial Court in
    Gammella, 
    482 Mass. 1
    , is instructive in this regard, as in that
    case the court reversed a trial court's decision denying class
    certification based upon a perceived lack of numerosity.     The
    court noted, among other things, that uncertainties about the
    particular facts of individual class members should not lead to
    denying class certification on numerosity grounds, "at least
    when hundreds of [proposed class members] are affected by an
    apparent prohibited 'class-wide practice.'"    
    Id. at 13.
      Here, a
    class of 240 members is sufficiently numerous to qualify for
    class treatment.
    Once the class has been defined and is sufficiently
    numerous, however, the next question, for a c. 93A class, is
    whether the purported class members suffered "similar injury"
    35
    from the unfair or deceptive practice.    See c. 93A, § 9 (2).
    This is the issue that appeared to cause the motion judge the
    most concern, because the evidence indicated that the unlawful
    lease provision was actively enforced against only eighteen of
    the 240 purported class members.
    The judge's concern about whether the injuries were
    sufficiently "similar" was a valid concern.    Nevertheless, we
    believe there are countervailing considerations that may justify
    the certification of a class under the circumstances.     Each
    member of the proposed class here was required to sign a lease
    containing a clause that violated c. 93A.     The question of the
    legality of the lease clause was an important and common issue
    to all proposed class members.   Based upon our decision today,
    each purported class member was at least entitled to injunctive
    relief against enforcement of the clause.     In adjudicating the
    class members' c. 93A claims, however, the judge must address
    whether each purported class member is also entitled to some
    amount of monetary relief.   To be so entitled, a class member
    would need to show additional elements -- "injury" caused by the
    c. 93A violation, as well as the amount of any damages.     See
    c. 93A, § 9 (1), (3).
    Accordingly, as to the c. 93A class, one issue for the
    judge on remand is whether there are sufficiently similar
    injuries across the purported class.     To prove a c. 93A claim
    36
    and the entitlement to at least statutory damages, a plaintiff
    must show not only the c. 93A violation, but also some kind of
    "separate, identifiable harm" resulting from the c. 93A
    violation.   Tyler v. Michaels Stores, Inc., 
    464 Mass. 492
    , 503
    (2013).   Put another way, the mere fact that the offending
    clause existed in a resident's lease is not sufficient to
    establish a c. 93A injury; each CC park resident must show
    actual harm caused by the clause.   See 
    Tyler, supra
    .   On the
    current record, it appears that many class members suffered some
    injury, although the nature and cause of the injury may have
    varied.   For example, a CC park resident may have been injured
    due to enforcement of the clause against him (as in the Layeses'
    case, where the family suffered inordinately cold indoor
    temperatures during the winter months, cf. 
    id. at 504
    & n.20),
    or the park resident may have incurred the costs of maintenance
    or other costs that resulted because the defendants had failed
    to maintain a fuel tank properly.41,42   On the other hand, it is
    41We do not mean this list to be exhaustive. Purported
    class members may have additional theories for how they were
    injured as a result of the lease clause.
    42We do not agree with the motion judge's ruling that there
    could be no c. 93A violation as to a particular CC park resident
    unless the operator committed some additional "affirmative
    action" that amounted to "imposition" of the lease clause on
    that park resident. The placement of the clause in the lease
    documents was a c. 93A violation; no further "affirmative
    action" was required. See §§ 10.03(2)(n) and 10.05(4)(d).
    37
    also possible that some proposed class members may not have
    suffered any harm as a result of the defendants' policies
    regarding residents' exterior fuel tanks.
    Accordingly, on remand the parties and the motion judge
    must address the claimed injuries (if any) of the purported
    class members; how the injuries are similar or different; and
    how they might be proved.   In determining whether a class should
    be certified, the judge should keep in mind the principles,
    identified above, favoring c. 93A classes where circumstances
    warrant.   Here, the c. 93A violation is common to the class.
    The fact that injury or damages may vary across the class is not
    necessarily a bar to class certification.   Courts frequently
    have held that a class can be certified despite differences in
    damages among class members.   See 
    Salvas, 452 Mass. at 364
    ("Class certification may be appropriate where common issues of
    law and fact are shown to form the nucleus of a liability claim,
    even though the appropriateness of class action treatment in the
    Moreover, the judge's analysis incorrectly restricted the scope
    of the protection afforded under the law. Not only can an
    operator commit a violation of G. L. c. 93A, § 2 (a), by
    affirmative acts, it can also do so by inaction (i.e., failing
    to comply with provisions of either the act or the Attorney
    General's regulations). See 940 Code Mass. Regs. § 10.02(3);
    
    Clark, 89 Mass. App. Ct. at 94
    . Nevertheless, in order to
    recover under c. 93A, each purported class member must show not
    only a violation of c. 93A, § 2, but also a "separate, . . .
    distinct injury or harm." 
    Tyler, 464 Mass. at 503
    .
    38
    damages phase is an open question").   The question for the
    motion judge is whether the injury issue can be resolved for
    each class member in a way that is manageable and reasonably
    efficient, and fair to both plaintiffs and defendants.43   See
    
    Fletcher, 394 Mass. at 605-607
    (judge has discretion in applying
    similarity requirements of c. 93A, § 9 [2], and in evaluating
    suitability of proposed class).44   Here, the record suggests that
    the question of injury as to individual class members could
    present sufficient similarities so as to allow for such a fair
    and manageable resolution, which is a matter the motion judge
    can take up on remand.
    4.   General Laws c. 186, § 14, certification request.
    Finally, Rosa also asserts that a class should have been
    43Although the defendants point out that they have a
    defense if injury was caused by the plaintiffs' own negligence,
    that is not a basis for denying class certification here. There
    was no evidence on this record suggesting that any resident had
    negligently caused an "environmental concern[] or risk[]," or
    had damaged any utility components through negligence or
    misconduct. See §§ 10.03(2)(n), 10.05(4)(d). The fact that the
    Attorney General's regulations may theoretically provide
    defenses to the defendants' liability as to hypothetical class
    members is not a basis for denying class certification. See
    
    Salvas, 452 Mass. at 367
    .
    44Although the requirements of "predominance" and
    "superiority," which are found in rule 23 (b), do not appear as
    express requirements in c. 93A, § 9 (2), "a judge retains some
    discretion to consider these factors in determining whether
    putative class members are 'similarly situated' and have
    suffered a 'similar injury'" (citations omitted). Bellerman v.
    Fitchburg Gas & Elec. Light Co., 
    470 Mass. 43
    , 53 (2014).
    39
    certified on the § 14 claim.45   This contention is governed by
    Mass. R. Civ. P. 23, and presents different issues from those
    arising under c. 93A.   For example, proof of liability involves
    different elements under c. 186, § 14, and c. 93A.    See Cruz
    Mgt. Co. v. Thomas, 
    417 Mass. 782
    , 789 (1994) (claim under
    c. 186, § 14, can be predicated on negligence); G. L. c. 186,
    § 14 (landlord who, inter alia, "transfers the responsibility
    for payment for any utility services to the occupant without his
    knowledge or consent . . . shall be liable . . .").   Compare 940
    Code Mass. Regs. § 3.17(6)(f) (1993) (unfair and deceptive
    practice for owner to "violate willfully any provisions of
    [G. L.] c. 186, § 14"); G. L. c. 93A, § 9 (1) ("Any person . . .
    who has been injured by . . . any method, act or practice
    declared to be unlawful by [c. 93A, § 2,] . . . may bring an
    action . . .").   Moreover, if liability is found, damages under
    c. 186, § 14, may be more readily established than under c. 93A.
    See, e.g., 
    Clark, 89 Mass. App. Ct. at 91
    , quoting Darmetko v.
    Boston Hous. Auth., 
    378 Mass. 758
    , 762 (1979) (G. L. c. 186,
    § 14, "allows a minimum recovery of three months' rent as an
    incentive to the pursuit of relief where the actual and
    45As we have noted, on appeal, Rosa pursues only her theory that
    the defendants violated § 14's proscription against
    "transfer[ring] the responsibility for payment for any utility
    services to the occupant[s] without [their] knowledge or
    consent." See note 
    37, supra
    , and accompanying text.
    40
    consequential damages are slight or are difficult to prove").
    Compare G. L. c. 93A, § 9 (providing for "actual damages or
    twenty-five dollars, whichever is greater" for injury resulting
    from violation that was not willful or knowing).   Because the
    motion judge did not address certification of the claim under
    c. 186, § 14, remand is required for this reason as well.
    Conclusion.   So much of the judgment as denied class
    certification is vacated, and the question of class
    certification is remanded for further proceedings consistent
    with this opinion.   In all other respects, the judgment is
    affirmed.
    So ordered.