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License verifiedStonewall Plumbing and Heating, LLC
State-verified HVAC license2.6
Orrington, ME81 River Rd, Orrington, ME 04474
Verified record
Kevin H. Williams holds Maine HVAC license PNT3951, active on the state registry. A 2026 customer called Williams Heating Ventilation Air Conditioning & Refrigeration a great heating company. A 2022 customer called the person who did the work very knowledgeable and very professional.
Great heating company
Best guy for any job! Very knowledgeable! Family oriented and very professional!!!
Specializes in
Languages
2 changes recorded — last scanned Oct 30, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from Williams Heating Ventilation Air Conditioning & Refrigeration Inc. 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
State-verified HVAC license2.6
