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Typical your area range for this kind of work, from regional averages — not a quote from Coltella Heating & Cooling. 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
Coltella Heating & Cooling is an HVAC business, and a 2025 customer said its owner, Adam, was at the house in under an hour after an error code shut the heat off on a Saturday night, and had the system back up and running. The company describes itself on its website as locally owned and serving residential and commercial properties, and says it has been in business for nine years. A New Hampshire HVAC licence, GF1106384, held by Adam M Pomeroy, is active on the state registry. Its BBB page shows an A+ grade. A 2025 customer said Adam and Coltella replaced an outside air conditioning unit and inside coil after a 21-year-old system failed, and called the quote very competitive. That 2025 customer also said Brittany, Adam's wife, answered emails and questions promptly. A 2025 customer said their dad's furnace broke down during a 20-degree cold snap, Brittany scheduled an emergency appointment, and Adam quickly diagnosed the problem and got the heat back on. A 2023 customer said Adam had re-done their entire house with a new HVAC system several years earlier, came annually to clean the furnace, and was their first call when they needed a propane heater installed in the barn. A 2023 customer said that within a few hours he resolved problems at several of their properties that other contractors had not fixed for years. A 2023 customer said they had a whole new heating system put in their house. A 2023 customer said he did two jobs at their previous house and, after they got several quotes, did the job for a lot less money.
“Coltella”
Adam really knows his stuff. He’s accommodating, even in emergencies, and always thorough for every job. He always looks out for his clients’ best interests. I’d recommend him to anyone with HVAC needs.
Twice now, Adam has come to my rescue. Fast response, great repairs! Give the guy a raise!!!
Adam/Coltella Heating & Cooling replaced our outside air conditioning unit and inside coil after our 21 year old system failed - We were very happy with the process from start to finish - The quote was VERY competitive and the install timeline very favorable - Brittany (Adam's wife) was great at responding to all of my emails/questions in a very pleasant and prompt manner - The actual install was seamless - Highly recommend.
Highly recommend Coltella Heating and Cooling. Great company to work with, the communication throughout the project was excellent. The systems they recommended for my home have been fantastic. Over a year after the system was installed a random flickering of the power in my home caused an unusual error code, turned my heat off in the middle of the coldest part of the year, this all happening on aSaturday night. I called the owner, Adam, and he was at my house in under an hour and had my system back up and running.
My dad’s furnace broke down in the middle of the 20 degree cold snap and Brittany was able schedule us an emergency appointment in spite of Adam’s already busy schedule. Adam quickly diagnosed the problem and got the heat back on in short order. We are so grateful and impressed with Adam’s expertise and down to earth attitude and cannot say enough great things about our experience. If you’re looking for a smart, honest, compassionate company to service your home heating or cooling needs, Coltella Heating and Cooling is THE one to call! Thank you Adam and Brittany for your truly outstanding service!!
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1 change recorded — last scanned Oct 18, 2026.
Replaced a 25-year-old furnace3.8
Cooling layout that preserves storage space5.0
Whole-house AC failure fixed by phone troubleshooting3.1
30 years in business3.2
