Local business · Billerica, MALocal business · 251 Old Concord Rd, Billerica, MA 01821
Verified record
Carlson Hvac Inc is a Billerica HVAC and sheet metal contractor with a long-running paper trail — Massachusetts building records show 69 permits filed under the company since 2016. Its Massachusetts HVAC license (515-SM-B) is active. BuildZoom's profile for the company separately lists a Sheet Metal license, a Sheet Metal Business registration, and a Refrigeration Contractor license. Anyone considering Carlson should confirm the scope, insurance, and current license status for the specific job directly.
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1 change recorded — last scanned Sep 8, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Carlson Hvac Inc. 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
Prompt arrival4.9
Same-day emergency response4.6
Prompt response4.6
Fast response4.2
Talented fabrication shop2.5
Responsive communication3.8
Permit track record3.7
