Verified record
Hayes Heating & Air Conditioning, LLC is a heating and air conditioning company in Milford that holds a New Hampshire mechanical business licence, active on the state registry. Its website says it has been in business for 25 years and offers 24/7 emergency service. In a recent Google review, a customer had an old electric tank water heater replaced with a propane tankless unit; they wrote that Chad & crew were professional and did an amazing job with the install, with the room kept clean and the piping organized. The same customer says he brought an exhaust cover that matched the color of their house, consulted on various install location options and went over the new unit at the end. In a 2024 review, a customer whose a/c unit stopped working in the middle of the night called six companies on a Friday; Hayes called back and had a tech, Jason, come out that afternoon. Another 2024 review, from a customer who had an unfortunate situation with a builder and its HVAC person, praises Jessica as polite and responsive and says Jason was the tech and did a great job. In a 2023 review, a customer whose furnace stopped heating twice that year wrote that Hayes came out same-day both times, charged very reasonable rates, and explained what was going on and recommended fixes and adjustments to avoid future problems.
Typical your area range for this kind of work, from regional averages — not a quote from Hayes Heating & Air Conditioning, LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
Replaced an old electric tank hot water heater with propane tankless hot water heater. Chad & crew were professional and did an amazing job with the install. Kept the room clean and piping organized. He was thoughtful to bring an exhaust cover that matched the color of my house and consulted various install location options. He went over the new unit at the end. Great service and crew. Thank you Hayes Heating & Air Conditioning!
Above and beyond; always. We utilize Hayes heating for both home and the work place. They are batting 100% with their speedy responses and out of the box solutions. Highly recommend Hayes for all your solutions.
I cannot say enough about how amazing Hayes Heating and Air was. Our a/c unit stopped working in the middle of the night. I called six different companies on a Friday who couldn't come out for several days (not ideal in these 90+ days)! Hayes called me back and had a tech (Jason who was amazing) come out that afternoon. I would recommend giving them a call for all of your heating and a/c needs.
I cannot say enough great things about this company , I had an unfortunate situation with a builder and their HVAC person, I reached out to Hayes. Jessica is absolutely amazing . Very polite , extremely nice and responsive , Jason was my tech, due to his findings and his work I will now only work with Hayes heating , Jason as awesome , again VERY KNOWLEDGEABLE . And did a great job! Thank you Hayes for Everything !
Twice this year, the furnace stopped heating my home. Hayes was able to come shake down the problem same-day on both occasions. Very pleasant people to work with, and very reasonable rates for the work they did. They are happy to explain what's going on, recommend fixes and adjustments to avoid future problems, and will always be my first call for all future HVAC work.
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2 changes recorded — last scanned Sep 29, 2026.
Detailed workmanship4.7
Boiler response4.2
State-verified HVAC license4.2
Active Massachusetts plumber license3.6