Verified record
Nason Mechanical Systems is a mechanical contractor that, on its Better Business Bureau profile, describes itself as doing commercial, industrial and residential plumbing, heating and air conditioning work, and says it was established in 1945 and incorporated in 1960 in Maine. Its BBB grade is A+. A 2024 Google customer called the company "Quality and dependable." A 2022 customer said it could not help with that customer's specific project but guided them to another company. A 2022 customer wrote that the company ignored requests and overcharged, adding add-ons that customer felt were not necessary. A 2023 reviewer complained that a company vehicle was driven 85 to 90 down I-95.
“Mechanical Engineer: Nason Mechanical Systems”
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Quality and dependable
Not sure why vehicle 7c9586 for your company this morning thinks it’s okay to drive 85 to 90 down i95
They continuously ignore requests and overcharge.They put tons of add-ons when it's not necessary just to up their income.
Great customer service. They unfortunately weren’t able to help me with my specific project but went above and beyond to assist in guiding me to another company.
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1 change recorded — last scanned Oct 4, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from Nason Mechanical Systems. 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