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Massachusetts
HVAC companies in Boston, MA
17 local HVAC companies based within about 25 miles of Boston, listed A to Z with phone numbers, addresses and services. Paid placements are labeled.
No heat or no cooling right now?
If you smell gas or a carbon monoxide alarm sounds, leave first and call 911 or your gas utility from outside. Otherwise, call a company below that says it takes emergency calls. Quick checks first: AC not cooling · furnace not working.
The list
Boston HVAC companies, A to Z
Filter by what each business says on its own website. “Says 24/7 emergency” means its site says so – call to confirm before you rely on it.
Your HVAC company, Boston
The one City Spotlight place for Boston sits here, above the A to Z list. Requests sent from this page for areas the Spotlight company serves go to it. Offered only to companies that pass our listing rules. How it works
Akian Plumbing, Heating, Cooling & Electric
Based in Watertown, MA · 586 Pleasant St, Unit #4, Watertown, MA 02472
Names on its website: Newton, Waltham, Belmont, Arlington
License number shown on its website: Master Plumber PL16320-M; Plumbing Corp. 4093; Master Electrician 8756-EL-A1; Sheet Metal Operator 935
Arnest HVAC
Based in Chelsea, MA
Names on its website: Boston, Everett, Cambridge, Malden, Saugus, Peabody, Medford, Melrose, Wakefield, Swampscott
ATCO HVAC Heating and Air Conditioning
Based in Milton, MA · 43 Lyman Rd, Milton, MA 02186
Names on its website: Boston, Braintree, Canton, Dedham, Dorchester, Needham, Newton, Quincy, Randolph, Waltham and more
Franchise location (Trane / Bryant dealer (not franchise))
Atlantic Heating & Air Conditioning
Based in Brookline, MA · 116 Cypress St, Brookline, MA 02445
Names on its website: Boston, Belmont, Cambridge, Concord, Newton, Needham, Lexington, Wayland, Weston, Wellesley
License number shown on its website: MA Plumbing Corp. #4894; MA Gas Fitting Corp. #303; MA Sheet Metal Corp. #479 · Franchise location (Lennox Premier Dealer / Mitsubishi Diamond Contractor (dealer programs, not franchise))
Chilli Willie Mechanical
Based in Saugus, MA
Names on its website: Boston, Brookline, Newton, Cambridge, Arlington, Winthrop, Medford, Melrose, Wakefield, Reading and more
License number shown on its website: Corporation License #5094 (plumbing PL17673-M) · Franchise location (Mitsubishi Diamond Dealer (dealer program, not franchise))
Coastal Heating & Air Conditioning
Based in Quincy, MA · 653 Washington Street, Quincy, MA 02169
Names on its website: Braintree, Weymouth, South Shore
License number shown on its website: Licensed and Insured (no number shown)
Cooling and Heating Solutions
Based in Lynn, MA · 34 Farrell Rd, Lynn, MA 01905
Names on its website: Salem, Beverly, Gloucester, Peabody, Andover, Marblehead, North Andover, Boxford
Dan's Service
Based in Medford, MA · 17 Prescott St., Medford, MA 02155
Names on its website: Somerville, Boston, Cambridge, Needham, Peabody, Andover
Davco Air Conditioning & Heating
Based in Norwood, MA · 930 Pleasant Street, Norwood, MA 02062
Names on its website: Walpole, Westwood, Canton, Dedham, Medfield, Norfolk, Sharon, Dover, Foxboro, Mansfield and more
DeNardo Heating and Cooling
Based in Lynnfield, MA · 17 Essex St, Lynnfield, MA
Names on its website: Peabody, Wakefield, Everett, Chelsea, Malden, Medford, Lexington, Winchester, Melrose, Saugus and more
License number shown on its website: MA Master Sheet Metal Worker; MA Oil Burner Technician; EPA 608 Universal Certification (no numbers shown) · Franchise location (Fujitsu Elite Contractor / Mitsubishi Diamond Dealer (dealer programs, not franchise))
EZ Climate HVAC Inc
Based in Watertown, MA · 612 Main St, Watertown, MA 02472
Names on its website: Boston
Ideal Air HVAC
Based in Framingham, MA · 2 Cedar St, Framingham, MA 01702
Names on its website: Brookline, Dedham, Natick, Needham, Newton, Wellesley, Wayland, Sudbury, Lincoln, Concord
License number shown on its website: fully licensed, insured, and vetted (no number shown)
Lohrman H.V.A.C. Inc.
Based in Woburn, MA · 3 Breed Ave. #C, Woburn, MA 01801
Names on its website: Arlington, Bedford, Billerica, Burlington, Lexington, Lynnfield, Medford, Melrose, Reading, Stoneham and more
License number shown on its website: fully insured and licensed commercial hvac and residential hvac company (no number shown)
Norfolk County Heating & Cooling
Based in Quincy, MA
Names on its website: Milton, Braintree, Weymouth, Hingham, Hanover, Holbrook, Canton, Boston, Randolph
Pro Heating & Cooling
Based in Dedham, MA
Names on its website: Canton, Dover, Hingham, Milton, Needham, Newton, Norwood, Stoughton, Walpole, Wellesley and more
Franchise location (Mitsubishi installer / Mass Save approved installer (programs, not franchise))
Suburban HVAC
Based in Westwood, MA · 16 Southwest Park, Westwood, MA 02090
Names on its website: Brookline, Eastern Massachusetts
VIP HVAC
Based in Malden, MA · 940 Eastern Ave #1, Malden, MA 02148
Names on its website: Medford, Cambridge, Somerville, Arlington, Newton, Wellesley, Winchester, Stoneham, Melrose
License number shown on its website: Licensed Contractor (no number shown)
Details on this page come from each business’s own website, checked October 2026. Free listings are shown alphabetically. How we list · Update or remove a listing
Before you hire
Checking an HVAC company in the Boston area
HVAC licenses in Massachusetts
Licensing is split between the state and local governments.
Who licenses: Division of Occupational Licensure, Office of Public Safety and Inspections (OPSI); Dept. of Fire Services (oil burners)
License types: Pipefitter (Apprentice, Journeyman, Master), Refrigeration Technician, Refrigeration Contractor, Apprentice Refrigeration, Master and Journeyperson Sheet Metal Worker (plus sheet metal business license), Oil Burner Technician or Apprentice Certificate.
Companies: We found no single statewide HVAC contractor license on the Massachusetts pages we read; instead the state licenses by trade. Ventilation ductwork requires a licensed sheet metal worker, refrigeration work on systems of 10 tons or more requires a refrigeration license (M.G.L. c.146, s.81), and oil burner work requires an Oil Burner Technician certificate (527 CMR 1.00); c.146 s.81 also defines pipefitting to include air conditioning equipment.
Local rules: We could not confirm a single state license that covers whole-house heating and cooling, and we did not verify local permit rules, so check with the city or town building department.
Check a license: madpl.mylicense.com
Ask the company which state trade license covers your job (for example pipefitter, sheet metal or oil burner technician) and check each name on the state license verification site.
Federal rule: in every state, technicians who handle refrigerant must hold EPA Section 608 certification, whatever the state or city requires.
We could not confirm every detail from Massachusetts’s own sources, so treat this as a starting point and check with the agency.
Sources: mass.gov, mass.gov, malegislature.gov, malegislature.gov. Checked October 2026 from official sources. This is not legal advice.
Questions to ask
Ask every company the same questions: license number, insurance, EPA refrigerant certification, a written itemized estimate, a load calculation for new equipment, after-hours rates, who pulls the permit, and the warranty. All eight questions.
Seasonal care
Getting through a Boston winter
Heating season is the long one in Boston, so the furnace, boiler or heat pump does most of the work. Start with these before the first cold snap – and keep carbon monoxide alarms working.
Questions
Boston HVAC questions
How many HVAC companies are listed in Boston?
17 HVAC companies, each based within about 25 miles of Boston. They are listed alphabetically.
Which Boston HVAC companies say they offer 24/7 emergency service?
7 of the businesses listed here say on their own website that they offer 24/7 or 24-hour emergency service: Akian Plumbing, Heating, Cooling & Electric, Arnest HVAC, Atlantic Heating & Air Conditioning, Davco Air Conditioning & Heating, DeNardo Heating and Cooling, Norfolk County Heating & Cooling, Pro Heating & Cooling. Call to confirm availability and after-hours rates.
Do HVAC contractors in Boston need a license?
In Massachusetts, licensing is split between the state and local governments. Check a license at madpl.mylicense.com.
Which Boston companies work on heat pumps?
10 of the listed businesses say on their own website that they install or repair heat pumps. Use the Heat pumps filter above the list.
Which HVAC companies here do commercial work?
11 of the listed businesses say on their own website that they work on commercial properties. Use the Commercial filter above the list.
Do technicians need EPA certification?
Yes: federal rules require technicians who handle refrigerant to hold EPA Section 608 certification, in every state. Ask any company you are considering.
Nearby metro areas: New York City, NY · Providence, RI · Hartford, CT · Buffalo, NY · Manchester, NH · Burlington, VT · Albany, NY · Rochester, NY. All of Massachusetts.
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No heat in freezing weather, or no cooling in dangerous heat? Call a company from the list that says it takes emergency calls – a form is not fast enough. If you smell gas or a carbon monoxide alarm sounds, leave first and call 911 or your gas utility from outside.