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Damon Mechanical Services, which its BBB profile says is also known as Damon Refrigeration Co., Inc., describes itself there as a mechanical contracting company that sells, installs and services heating and air conditioning systems and commercial refrigeration equipment, and also offers plumbing. On its own website, the company says it completed the plumbing, HVAC and VRF systems for a 7-story retail and 51-unit apartment building in Portland. A recent Google customer said they have used the company for HVAC work and that it has been very responsive. A recent Google reviewer called it easy to work with. On Google, it holds 3.4 stars from 5 ratings. A Maine HVAC licence, PNT1250, held by BRUCE C. DAMON, is active on the state registry. In a 2023 review, a customer complained that employees with a company truck jumped a gas station line ahead of families waiting for the same pump, and said they would not recommend the company.
Easy to work with
I have used them for our HVAC work and they have been very ressponsive.
When their employee(s) jump gas station lines in front of families waiting for the same fuel pump and then act unprofessional with a company truck with logo, I would surely not recommend them to others or invite them to work in my home or business! Very unprofessional and selfish! Do business elsewhere!!!
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1 change recorded — last scanned Oct 31, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from Damon Mechanical Services. 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
Quick, timely job on a failed water tank3.2
