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Dumond's Mechanical is a heating and cooling business. NICHOLAS ABLE DUMOND holds Maine hvac license PNT10469, which is active on the state registry. A 2023 customer said Nick installed two heat pumps for the customer's mom and dad. In that 2023 review, the customer said that when there was an issue with one of the motors, a manufacturer problem, he was quick to diagnose and fix it, and that he brought his son along. A 2024 customer said he came out the same day and worked until after dark fixing mistakes the customer had made setting up a minisplit. That 2024 customer said a second visit was to check out the unit because it was dripping water inside the house. A 2023 customer wrote "Quick, efficient, & affordable in price."
I've used him twice now and have had exceptional service both times. First time was for him to fix my mistake (s) when I was setting up a minisplit myself. He came out same day and worked until after dark fixing what I did wrong. And the second time was to check out the unit because it was dripping water inside the house. Exceptional service and highly recommended!
Nick installed two heat pumps for my mom and dad. He did an excellent job and was very attentive and professional. He took their thoughts and opinions into consideration when setting the units everything was installed professionally when there was an issue with one of the motors he was quick to diagnose and fix the issue, which was a manufacturer problem. I would use him again in the future. He brought his son along, which was nice to see a father and son together.
Quick, efficient, & affordable in price. Just an all around nice guy. Someone you can count on to get the job done.
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2 changes recorded — last scanned Nov 1, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from Dumond's Mechanical. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,500 – $10,300
Typical HVAC project around $7,400
Geothermal heating system service4.0
More than 50 geothermal units installed3.4
Stalling furnace repaired quickly2.6
19 years in businessNot yet rated
