View Profile
Big Blue Plumbing & Heating
- Valves
- Team
“He was so helpful, explaining what should be fixed today and what could be fixed on a day that would be a regular day rate (as opposed to the emergency weekend rate).”
Best HVAC Contractors in Medford, MA
24 companies listed · 7 in Medford · 12 open 24/7 · 18 open weekends · 22 rated 4.5+
Data verified October 18, 2026
View Profile
Aldo's Hvac LLC
- Heating
- Furnace
- Efficient
“I had a problem with an existing furnace about to die in a rental property and they came out, quoted and 10 days later installed a new furnace/ac/ductwork.”
View Profile
Homeworks Energy
- Carbon Monoxide
- Shower Heads
- Thermostat
“I was at Home Depot in Leominster last week and a crew from Home Works Energy Specialist were there representing Mass Save to do an energy audit of my house.”
View Profile
White's Plumbing & Heating
- Prices
- Heating System
“Tom did call back and unfortunately, he was extremely busy and could not come out, but he did refer us to someone that could, and did come out and do a temporary repair to get us through the cold weather and the process to figure out financing.”
View Profile
Chill Zone Hvac
- Unit
“We've been in quite a few jams with multiple break downs before, calling other companies and whenever we call Brett he figures out what the main issue is and gets the job done.”
View Profile
VIP Hvac
- Building
- Questions
“VIP HVAC in Medford, MA installed brand new HVAC heating and AC systems in my building, and I was so delighted with their professional, efficient and courteous customer service.”
The 24 companies listed for Medford, MA work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Area overview: Medford, MA
Of the 24 companies we list here, 7 are in Medford itself and 17 come from towns including Quincy (3, 13 mi), Waltham (2, 7 mi) and Cambridge (1, 3 mi). The companies on this page are rated from 4.0 to 5.0 across 7,560 reviews; 18 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (82%) and responsiveness (82%). 12 are open around the clock; 18 are open on Saturdays and 13 on Sundays. The services the companies on this page list most often on their websites are heating (7), cooling (5), plumbing (5), emergency services (2) and frozen pipe repairs (2). 9 show a license on their websites; 1 lists staff certifications (BPI) and 14 have a BBB rating of A or A+. Domain records put 19 websites of the companies on this page at ten or more years old; the oldest dates from 1998. 14 offer emergency call-outs; 6 offer financing or payment plans; 11 give free estimates; 11 are family- or locally-owned and 12 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do any heating firms listed for Medford work on Saturdays or Sundays?
Saturday or Sunday hours show up for 18 of the 24 companies here. Saturdays fill with the calls that came in on Friday, so ask whether you are getting a repair slot or a sales visit. Sunday work is usually treated as an emergency call.
View Profile
A's 8 Hvac Mechanical Service
- Technician
- Heating
“We recently completed a complicated air source heat pump multi zone system in Brookline for one of Boston's leading architects and As8 did a fabulous job.”
View Profile
Druziako Hvac Inc.
- Suggestions
- Warranty
- House
“They were helpful and patient with us as we made our final decision on where to place the indoor part of the mini split system and the implication of that decision on the outside work.”
View Profile
Addario's Services
- Responsive
- Rebates
- Tankless
“He presented the options for our replacement AC clearly, he spelled out possible snags, and he gave us pricing options, including with without financing.”
View Profile
Milltown Plumbing
- Sewer
- Shower
- Kitchen Sink
“Thanks to Jonathon Burke, highly skilled service technician, who took his time and identified issues with my water heater and made his recommendations.”
View Profile
Pann Home Services & Remodeling
- Fee
- Furnace
- Work
“The team was so great - willing to schedule and come at short notice, reasonable fee for the visit, quick diagnostic, quote, and repair - everything was done in a couple hours and I am so happy with the service.”
View Profile
Cool-Rite Mechanical Inc.
- Informative
- Responsive
- Heating
“He quickly diagnosed the problem and had our AC up and running in an hour, and he stayed until he was sure the system was functioning properly to cool the house.”
View Profile
Cardarelli Plumbing & Heating
- Work
- Efficient
- Boiler
“Joe responded right away, had me send some pictures of the heater over, gave me a price quote & said he could send someone out the next day to have it replaced.”
View Profile
Genove Oil & Air
- Review
- Heating Oil
- Oil Furnace
“Service Technician Frank came out today to fix a heating issue and with his expertise and troubleshooting he identified the problem, fixed it and got my heat running again.”
View Profile
Tbros
- Unit
- Technicians
- Home
“Called T Bros, explained the issue to the person answering, and received a call-back right away from Bob who made sure we had everything set up so we could at least have cold water.”
View Profile
Atlantic Heating & Air Conditioning
- Piping
- Sales
- Work
“Our salesperson, Jamie Beckwith, took considerable time to learn about our situation in an old Back Bay condo building and research the needs for our proposed project.”
View Profile
Trust 1 Services Plumbing
- Condenser
- Tankless Water Heater
- Plan
“Was beyond professional - he took his time to explain pricing, membership options for future calls along with explaining the other services that Trust1 has to offer.”
View Profile
R.H. Young Cooling and Heating
- Pay
- Call
- Diagnose
“I spoke to a lovely woman, named Nancy, who expressed a concern for my lack of heat and was able to "fit me in" and make an early morning appointment for me the next day.”
View Profile
Ken's Hvac Service
- Mold
- Future
- Maintenance
“He solved the problem and was very professional, skilled, personable, and patiently explained how the furnace worked so I would understand the process.”
View Profile
Affordable Heat & Air
- Calls
- Work
- Furnace
“I applied for the heat loan through Mass Saves right when the program was implementing some major changes and Bryan helped make sure I was in the loop.”
View Profile
Service Right
- Period
- Plumber
- Properties
“He came right over, was professional and polite, solved the two problems and explained in detail that I could understand what happening with our furnace.”
View Profile
T&K Mechanical
- Mini Split
- Condenser
- Boiler
“Local family owned operated company, had another company who didn't want to deal with a parts warranty, called around, very luck to have found these guys.”
View Profile
McMahon Plumbing & Heating
- Assessment
- Furnace
- Repair
“He is extremely professional and courteous, explaining what he is doing, answering all my many questions with patience, and going the extra mile to provide exceptional customer service.”
View Profile
Bigelow Oil & Energy
- Quality Service
- Prices
- Efficient
“Bigelow delivers our oil, provides emergency service and maintains our furnace and central air conditioning equipment; in fact, Bigelow installed both systems.”
Why these companies made our list
What customers say about companies in Medford
- “A's 8 were responsive, professional, knowledgeable and efficient. They diagnosed the problem with my furnace and figured out how to correct the problem.” — customer of A's 8 Hvac Mechanical Service
- “Everyone I met on the crew was very polite, skilled, and appeared to take pride in their work.” — customer of Aldo's Hvac LLC
- “They are professional, do high quality work, their prices are fair and most importantly I do not have to worry about them getting the job done.” — customer of VIP Hvac
- “From start to finish everything was done professionally, on time and at a competitive price.” — customer of Aldo's Hvac LLC
Excerpts from public reviews of the companies listed on this page.
Is this page useful? Yes
No
Is there anything wrong with this page?
