Verified record
License VerifiedHTG.0400335-S1CT HEATING, PIPING & COOLING UNLIMITED CONTRACTOR (S1) · verified Oct 19, 2026
Highlights
- BBB grade — an A+ on its Better Business Bureau profile
Duane Company, LLC describes itself on its BBB profile as offering plumbing, heating and air conditioning installation and service. On Angi, the company says it does plumbing and HVAC work for Connecticut homeowners and businesses. Its Better Business Bureau grade is A+. It holds an active Connecticut S1 heating and cooling contractor licence, HTG.0400335-S1, under Duane T Heady.
What does heating and cooling work cost in Greater Hartford?
Typical your area range for this kind of work, from regional averages — not a quote from Duane co plumbing & hvac. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
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