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Best HVAC Companies in Boston, MA

Presidential HVAC, Service Right and EHC Inc top this list of Boston's best HVAC companies, chosen by matching each firm's position in Google's own local search results against a rating of 4.5 stars or higher and at least 50 verified Google reviews, then checking every finalist's website, license claims and service area by hand.

  • Last reviewed September 2026
  • 9 companies reviewed · How We Rank

Our top 9 hvac companies in Boston

Boston's housing stock sets the terms for HVAC work here more than almost anywhere else in the country. Triple deckers, brownstones and prewar condos in Dorchester, Roslindale, Back Bay and Brighton were mostly built before central air existed, so a huge share of the work in this city is retrofit: squeezing ductless mini splits into homes with no duct chases, converting steam and hot water radiators, or coaxing another decade out of a boiler that has outlived three owners. Winters bring genuine cold snaps and nor'easters that can take out heat for days, and summers have gotten hot and humid enough that AC has gone from a luxury to something most buyers expect. That combination means a Boston HVAC company needs real experience with old plumbing chases and knob and tube wiring, not just a truck full of parts for new construction. Massachusetts also regulates this trade closely. Plumbing, gas fitting and refrigeration work generally requires a state license, and companies that also touch gas lines need a Massachusetts Board of State Examiners of Plumbers and Gas Fitters license in addition to any HVAC or sheet metal credential. Before hiring anyone on this list, or any HVAC company in Boston, look up the license number the company gives you on the state's public license lookup, and confirm it is current and matches the company name on your quote. A number of companies below did not publish a license number on their own website, which is noted plainly in each profile so you know to ask.

  1. Presidential HVAC

    Best for round the clock emergencies4.9(220 Google reviews)31 Milk StBest for 24/7 emergency AC and heating repair    Rank01

    Why we picked them

    4.9 stars from 220 Google reviews and genuine 24/7 coverage make Presidential HVAC the strongest all hours option in Downtown Boston.

    What we like

    • Trucks on the road 24 hours a day, every day
    • Reviewers praise technician Adi for staying late on a mini split repair
    • Covers HVAC, electrical and plumbing under one call
    • Free phone quotes

    Things to consider

    • No published license number, founding year or insurance details

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation

    Key details

    Best for
    24/7 emergency AC and heating repair
    Service area
    Boston
    Emergency service
    Available

  2. Service Right, LLC

    Best for boiler and furnace repair4.9(141 Google reviews)255 Normandy StBest for Boiler and furnace repair across Dorchester and Greater Boston    Rank02

    Why we picked them

    4.9 stars from 141 reviews and a quarter century of boiler and furnace repair work anchor Service Right's Dorchester base.

    What we like

    • Over 25 years of experience per the company
    • Named a Best of 2026 pick by BusinessRate
    • 24/7 dispatch across more than 30 Greater Boston communities
    • Handles steam, cast iron and combination boilers

    Things to consider

    • One review described a terse, text-only pricing exchange on a weekend call

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation
    • Maintenance plans

    Key details

    Best for
    Boiler and furnace repair across Dorchester and Greater Boston
    Service area
    Boston
    Emergency service
    Available

  3. EHC Inc Electrical Heating Cooling

    Best for ductless mini splits and heat pumps4.8(266 Google reviews)398 Columbus Ave #47Best for Ductless mini split and hyper heat installations    Rank03

    Why we picked them

    4.8 stars from 266 reviews and a genuine specialty in cold-climate heat pumps set EHC Inc apart for electrification-minded homeowners.

    What we like

    • Published Massachusetts and Connecticut HVAC licenses
    • Technicians Thomas, James, Molly and Connor praised by name
    • Pairs heat pump work with EV charger and electrical installs
    • Nearly a decade in business

    Things to consider

    • No weekend emergency dispatch advertised

    Services

    • AC installation
    • Heat pump installation

    Key details

    Best for
    Ductless mini split and hyper heat installations
    Service area
    Boston
    Years in business
    11 years
    Credentials
    HVAC contractor license

  4. HomeWorks Energy

    Best for combining insulation with a heat pump upgrade4.7(2701 Google reviews)529 Main St Ste 610Best for Combining a Mass Save energy assessment with a heat pump upgrade    Rank04

    Why we picked them

    4.7 stars from 2,701 reviews and a Mass Save partnership make HomeWorks Energy the pick for a bundled weatherization and heat pump project.

    What we like

    • Six published Massachusetts licenses across trades
    • BPI certified and BBB accredited
    • 0% financing on heating upgrades
    • By far the largest review base of any Boston HVAC company here

    Things to consider

    • Most public reviews describe insulation crews rather than HVAC installers specifically

    Services

    • AC repair
    • Heat pump installation
    • Maintenance plans

    Key details

    Best for
    Combining a Mass Save energy assessment with a heat pump upgrade
    Service area
    Boston
    Years in business
    4 years
    Financing
    Available
    Credentials
    Construction Supervisor License

  5. Fire & Ice HVAC, LLC

    Best for steam and hydronic heat4.9(53 Google reviews)14 Greymere Rd #3009Best for Steam and hydronic heating repair in older Brighton and Oak Square homes    Rank05

    Why we picked them

    4.9 stars from 53 reviews plus a 15-year independent award streak make Fire & Ice HVAC a trusted choice for older radiator and steam systems.

    What we like

    • Angie's List Super Service Award every year since 2010
    • In business in Brighton since 2008
    • Technicians Arthur and Jon named directly
    • Specializes in systems many contractors avoid

    Things to consider

    • Closed Saturday and Sunday

    Services

    • AC repair
    • AC installation
    • Furnace repair

    Key details

    Best for
    Steam and hydronic heating repair in older Brighton and Oak Square homes
    Service area
    Boston
    Years in business
    18 years
    Credentials
    Super Service Award

  6. TBros - Trethewey Brothers Inc

    Best for century-old boilers and radiators4.7(290 Google reviews)4280 Washington StBest for Boiler installation and heating system replacement in older Boston homes    Rank06

    Why we picked them

    4.7 stars from 290 reviews and 124 years in the same neighborhood give TBros unmatched depth with Boston's oldest heating systems.

    What we like

    • Family owned in Roslindale since 1902, now five generations in
    • Three published licenses plus BBB accreditation and PHCC membership
    • Featured on This Old House since 1979
    • Financing available for major replacements

    Things to consider

    • No published standard warranty term

    Services

    • AC installation
    • Furnace repair
    • Maintenance plans

    Key details

    Best for
    Boiler installation and heating system replacement in older Boston homes
    Service area
    Boston
    Years in business
    124 years
    Financing
    Available
    Credentials
    Home Improvement Contractor license

  7. McMahon Plumbing & Heating

    Best for heat pump brand selection4.6(538 Google reviews)47 Business StBest for Heat pump conversions and Fujitsu Elite Plus installations    Rank07

    Why we picked them

    4.6 stars from 538 reviews, the highest volume among Boston's heat pump specialists, and seven decades in Hyde Park back McMahon's multi-brand approach.

    What we like

    • Mass Save participating installer and Fujitsu Elite Plus contractor
    • Authorized dealer for over a dozen equipment brands
    • Master Plumbers License 16840 published
    • 24/7 emergency service and a free heat pump estimate

    Things to consider

    • No published warranty or financing terms

    Services

    • AC repair
    • AC installation
    • Heat pump installation
    • Maintenance plans

    Key details

    Best for
    Heat pump conversions and Fujitsu Elite Plus installations
    Service area
    Boston
    Years in business
    74 years
    Emergency service
    Available
    Credentials
    Master Plumbers License

  8. Boston Comfort Systems

    Best for fast summer AC turnarounds4.8(234 Google reviews)56 Russett Rd #2Best for Fast central air and mini split repair in West Roxbury    Rank08

    Why we picked them

    4.8 stars from 234 reviews and specific, named praise for fast diagnostic work make Boston Comfort Systems a strong West Roxbury pick.

    What we like

    • Reviewers highlight availability during peak cooling season
    • Technician Vladimir named directly for central air and mini split repairs
    • One project completed in about two weeks when competitors had no openings

    Things to consider

    • License and insurance status are not published, so ask directly before booking

    Services

    • AC repair
    • AC installation
    • Heat pump installation

    Key details

    Best for
    Fast central air and mini split repair in West Roxbury
    Service area
    Boston
    Years in business
    4 years

  9. Horvitz Plumbing & Heating

    Best for combined plumbing, heating and gas work5.0(144 Google reviews)357 Adams St, Boston, MA 02122Best for Boston homeowners wanting an established local shop for plumbing, heating and gas work    Rank09

    Why we picked them

    A 5.0 average across 142 reviews and licensed gas fitting alongside heating make Horvitz a near century-old Dorchester institution worth calling for a combined job.

    What we like

    • Trading since 1932 per its own website
    • Licensed plumbing and gas fitting under one roof
    • 5.0 rating across 142 Google reviews
    • One-year labour warranty and manufacturer warranties honored

    Things to consider

    • Emergency service is reserved for paid Home Comfort Club members

    Services

    • Emergency plumbing
    • Drain cleaning

    Key details

    Best for
    Boston homeowners wanting an established local shop for plumbing, heating and gas work
    Service area
    Boston
    Years in business
    94 years
    Credentials
    Plumbing licence

Compare the top hvac companies in Boston

Ranking position reflects our editorial review, not customer ratings.

Editorial comparison of the 9 ranked companies. Customer ratings, where shown, come from the source named on each company profile.
RankCompanyBest forKey servicesService areaGoogle ratingEmergencyProfile
01Presidential HVAC24/7 emergency AC and heating repairAC repair, AC installation, Furnace repairBoston4.9 (220)YesView →
02Service Right, LLCBoiler and furnace repair across Dorchester and Greater BostonAC repair, AC installation, Furnace repairBoston4.9 (141)YesView →
03EHC Inc Electrical Heating CoolingDuctless mini split and hyper heat installationsAC installation, Heat pump installationBoston4.8 (266)Not listedView →
04HomeWorks EnergyCombining a Mass Save energy assessment with a heat pump upgradeAC repair, Heat pump installation, Maintenance plansBoston4.7 (2701)Not listedView →
05Fire & Ice HVAC, LLCSteam and hydronic heating repair in older Brighton and Oak Square homesAC repair, AC installation, Furnace repairBoston4.9 (53)Not listedView →
06TBros - Trethewey Brothers IncBoiler installation and heating system replacement in older Boston homesAC installation, Furnace repair, Maintenance plansBoston4.7 (290)Not listedView →
07McMahon Plumbing & HeatingHeat pump conversions and Fujitsu Elite Plus installationsAC repair, AC installation, Heat pump installationBoston4.6 (538)YesView →
08Boston Comfort SystemsFast central air and mini split repair in West RoxburyAC repair, AC installation, Heat pump installationBoston4.8 (234)Not listedView →
09Horvitz Plumbing & HeatingBoston homeowners wanting an established local shop for plumbing, heating and gas workEmergency plumbing, Drain cleaningBoston5.0 (144)Not listedView →

HVAC companies serving Boston and nearby areas

Most companies in this ranking work across Massachusetts and the surrounding suburbs. Coverage and travel fees vary, so confirm your address is inside the service area before scheduling.

  • Boston
  • Somerville
  • Chelsea
  • Dorchester
  • Hyde Park
  • Brookline
  • Quincy
Boston, Massachusetts

Service coverage across Boston. Individual company areas are listed on each profile.

How we chose the best hvac companies in Boston

Read our full ranking methodology →

This list starts from two Google Maps searches, "HVAC contractor in Boston, MA" and "HVAC company Boston," merged in Google's own result order and checked against three additional neighborhood searches to fill out the list, since Boston's results are unusually crowded with companies actually based in Brookline, Cambridge, Quincy and other neighboring towns that do not count as Boston itself. Every finalist needed an OPERATIONAL Google Business listing, a rating of 4.5 stars or higher, at least 50 Google reviews, and a working, real company website, not a template or lead generation page. A handful of Boston-named listings with one or two reviews, or a website built on an obvious spam pattern, were excluded outright. One finalist, Horvitz Plumbing & Heating, was already a published Boston plumbing listing on this site; rather than duplicate it, its existing profile was extended to cover HVAC and it appears here at its real Google Maps position. Despite additional neighborhood searches, only nine companies in Boston proper cleared every bar, one short of a full ten; that shortfall is disclosed here rather than padded with a weaker listing. Every company's rating, review count and address were checked against Google on September 20, 2026, and no company paid for placement or review on this list.

How to choose a hvac company in Boston

  • Verify insurance and credentials

    Ask for a current certificate of insurance and confirm registration or licensing with the authority that issues it, not with the company.

  • Ask for a written estimate

    Scope, materials, removal, disposal and who pulls the permit should all be named on the page rather than agreed on the doorstep.

  • Compare multiple quotes

    Two or three bids on the same scope. A number far below the others usually means something has been left out of it.

  • Understand the warranty

    Separate the manufacturer's warranty on materials from the company's own warranty on the work, and get both in writing.

  • Ask who performs the work

    Find out whether the crew are employees or subcontractors, and who supervises them on the day.

  • Check recent local projects

    Ask for addresses or photographs of comparable jobs finished nearby in the last year or two.

  • Avoid high-pressure sales

    A discount that expires today, or a knock on the door after a storm, is a reason to slow down rather than sign.

  • Get everything in writing

    Change orders, timeline and payment schedule included, before the first payment changes hands.

Questions to ask before hiring

  • Are you insured, and can you send the certificate?
  • How long have you worked in this area?
  • Will you provide a written estimate with materials listed?
  • What warranty do you offer on the work itself?
  • Do you use subcontractors for this job?
  • Who handles permits and inspection?
  • What would you recommend here, and why?
  • How are unexpected costs handled once work starts?
  • What is the estimated timeline from start to finish?
  • Can you provide recent local references?

Red flags

  • No verifiable local business address or registration
  • Pressure to sign on the first visit
  • A demand for full payment up front
  • An offer to cover or waive your insurance deductible
  • Refusal to put warranty terms in writing
  • A quote that will not itemize scope

Related home services in Boston

HVAC guides for Boston homeowners

HVAC companies in Boston FAQs

  • How do I check if a Boston HVAC company is actually licensed?

    Massachusetts publishes a public license lookup through the Board of State Examiners of Plumbers and Gas Fitters for plumbing and gas work, and a separate construction supervisor license database for general contracting. Ask the company for their exact license number and search it yourself before booking, especially for any job touching gas lines or requiring a permit.

  • How much does HVAC repair or installation cost in Boston?

    A standard AC or furnace repair visit typically runs a few hundred dollars once a diagnostic fee and parts are included. A full system replacement, ductless mini split installation, or boiler conversion in an older triple decker runs considerably more, often into five figures once electrical or ductwork upgrades are factored in. Get at least two written quotes before committing to a major job.

  • Why do so many Boston HVAC companies specialize in ductless mini splits?

    Most of Boston's housing stock, from Dorchester triple deckers to Back Bay brownstones, was built before central air existed and has no duct chases to retrofit one in affordably. Ductless mini split heat pumps solve that by running only a small line set through walls, which is why so many companies on this list lead with that specialty over traditional central air.

About this ranking

Originally published
September 2026
Last reviewed
September 2026
Companies evaluated
9

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