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H&M Heating and Cooling customers describe getting furnaces and air conditioners working again, with explanations of the diagnosis along the way. An October 2026 customer said Vishnu repaired the furnace, answered every question and left the heat working. A July customer described a completed heating-and-cooling-system installation that was running properly afterward. Google lists five stars from 33 ratings. Based in Newington, the company says it serves homes and businesses throughout Central Connecticut, with more than two decades of experience in HVAC installation, repair, maintenance and replacement. It advertises free estimates and says it is insured. Recent customers praise the approach to repairs. A July 2026 reviewer said the worker diagnosed the problem and explained a plan and fair quotes rather than immediately recommending expensive replacement parts. In May, a customer said Vishnu fitted an unexpected heating-system repair into his schedule and restored operation at a reasonable cost. Older accounts add specific examples. In November 2025, a customer described an after-hours FaceTime diagnosis of a failed furnace, followed by a repair the next day. An October 2025 reviewer described an air-conditioning breakdown that July: H&M got the system running with limited control while waiting for a part, then restored full operation when it arrived two days later. Another October reviewer described a capacitor replacement. An April 2025 customer reported central-air repair and yearly maintenance, with the system checked before Vishnu left. Several customers also describe work over multiple years. In November 2024, one homeowner said they had used the business for more than seven years, including furnace cleaning and repair, thermostat replacement and a fireplace conversion to gas. That customer also reported trouble with a part that required three attempts before a working manufacturer replacement resolved it; they praised Vishnu for returning and standing behind the work. A separate customer writing that month described maintenance and a heat-exchanger replacement at a home and rental property, along with a water-heater replacement.
“I can’t say enough good things about Vishnu and H & M Heating and Cooling. From the moment he arrived to fix my furnace, he was incredibly professional, personable, and knowledgeable . He took the time to patiently explain things to me. It’s rare to find someone who is both an expert at their craft and genuinely kind and easy to talk to. He even had great ‘furnace-side manners’ and made sure to answer every single question I had. I felt completely comfortable having him in my home, and my heat is working perfectly now. I highly recommend this company!”
H & M Heating and Cooling did an excellent job installing my new heating and cooling system. From start to finish, their team was professional, knowledgeable, and easy to work with. The installation was done efficiently, and they took the time to explain everything clearly. The system is running perfectly, and I’m very satisfied with the results. I highly recommend H & M Heating and Cooling for anyone looking for reliable and high-quality HVAC service.
I had a great experience with H & M heating and cooling. Unlike others others in the market that immediately recommend replacing expensive parts. He did a diagnosis based plan to resolve the issue with carefully thinking what is right for the home. He patiently answers all My questions and explained what he was doing with fair quotes.
Amazing customer service and recommendations provided! Educated me and guided me the right way and solved our problem
H&M Heating and Cooling Company saved my day. Right from the time of the first phone call, Vishnu came across as a genuine and trustworthy professional that can deliver to the promise . Our heating system went out, and had heat and hot water . When approached with an outside Heating company the Tech came up with an exorbitant quote. However, Vishnu was able to get it up and running quickly at a reasonable cost. He squeezed in time in his schedule and was accommodate the unplanned work. Professional, punctual, and very knowledgeable. I had a great experience! Highly recommend him for his expertise and service quality.
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1 change recorded — last scanned Oct 31, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from H&M Heating and Cooling LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,700 – $10,700
Typical HVAC project around $7,700
