
Preventative Maintenance, R-22 Retrofits, Central Air Repair and Installation , and 2 more
"Absolutely phenomenal experience. I hired Mike for a "second opinion" on my broken down central air unit. I previously had two other HVAC companies give the system a once over and both immediately went into salesperson mode; simply pushing me to replace the entire system. (To be fair, they aren't wrong. It is very old). However, they seemed more interested in pitching an install than actually diagnosing and attempting to repair the current problem. So they gave me the quote printout and moved on to their next job. Mike came out the very next morning. He was on time, courteous, knowledgeable, and super pleasant. Not only that, but he figured out the cause of the problem, replaced the parts, and FIXED THE PROBLEM! He also cleaned out the system and re-mounted one of the thermostats that I had not done properly. I have no hesitation strongly recommending A2Z for HVAC work; and due to my wonderful first impression, gladly have them at the top of my list for the eventual full system replacement."
Joseph V. in August 2020
Electrical Repair/Service, Low Voltage/ Cable TV/ Telephone/TV Mounting, Authorized Generac Generator Dealer , and 2 more
"Jeremy was super knowledgeable and very courteous. We had needed an emergent home repair and he arrived promptly to repair the wiring on our water heater and did not leave until we were able to take warm showers- around 11 pm that night. He even tried to sweep and mop our floors!! He then made time in his already booked weekend to help us upgrade an outdated breaker box out of concern for our safety when many other local electricians tried to put us off until well after the weekend. I will certainly be using his services for years to come and I suggest anyone looking for a kind, knowledgeable, TRUSTWORTHY, and genuine electrician pick JMP as well!"
Cleo D. in March 2020

Boiler Replacements, Heating Installations, Radiant Floor Heating , and 1 more
"Williams & Associates replaced an ancient, very large old boiler in my very large house. Bruce calculated the necessary size and found a suitable boiler. He and his crew thoroughly cleared the radiators and lines before removing the old boiler and installing the new one. They checked all the radiators and added new valves as needed during a lengthy checkout. It took several days to do all the work. Throughout, Bruce explained what they were doing and why as well as recommending changes/additions to the original proposal. They were even cheerful about removing the original "Mary Jane" from the basement. I would definitely recommend them to anyone using steam heat. Great job!"
Penny H. in December 2018

Heating Systems Installs & Service Calls, Boilers, A/C Systems Install & Service Calls
"I had a good experience with this company. They came to give my boiler a cleaning and inspection before the winter. They were prompt, thorough, and polite"
Julie M. in November 2019

Video, Voice and Data, Audio , and 7 more
"What a great experience it was working with Wes. He pre-wired an unfinished room for home theater installation and returned to install the in-wall/ceiling speakers, AV Receiver, as well as mount the TV to the wall once the room was completely finished. From the beginning to the end of the project, Wes has provided professional genuine service that you often find missing today. He is also extremely knowledgeable in his field of work and responsive to questions regarding equipment needs, or any concerns the client may have. It was a pleasure working with Wes, and I would definitely work with him for any future projects."
Gerard A. in November 2022
"professional, friendly and knowlegeble technicians"
C044A03BDEA669282066A79838B23F581C69EA3F3DA5C0F89FECFBADD066A866 8. in June 2026

Gas Boiler - Install, OIL Furnace - Install, Central A/C - Install , and 2 more
"David from Cool Heat Mechanical was very professional. He explained what type of furnace would be recommended and allow us to make our decision. He guided us through the process and when the workers showed up they were professional, show up untime and leave the location clean . My furnace is looking amazing.Thank you Highly recommended."
Andrea G. in November 2018

Cooling / Air Conditioning, Heating, Plumbing , and 2 more
"The team came right on time. They removed the old furnace and installed the new furnace without any complications. They explained all the work they did very clearly."
Wayne K. in October 2018
Marlborough Heating & Furnace Contractors are rated 4.7 out of 5 based on 401 reviews of 401 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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