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Old Lyme, CT3 White Oak Trail, Old Lyme, CT 06371
Verified record
KMK Mechnical is a heating and cooling contractor that says it serves Old Lyme. Its website describes home heating and cooling work from installation to maintenance, and the company puts its own time in business at 27 years. BuildZoom lists licence number HIC.0700621 for the company and shows nine of its projects.
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1 change recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from KMK Mechnical. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,700 – $10,700
Typical HVAC project around $7,700
Seasonal winterization for 25+ years3.6
State-verified HVAC license since 2005Not yet rated
After-hours service call within 30 minutes4.9
