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Wayland, MA70 Boston Post Rd, Wayland, MA 01778
Verified record
A Massachusetts HVAC licence, number 11801-SM-M1, is active on the state registry, with Oberlan F Rosa as the holder of record. BuildZoom lists number 210794 for 1A Brazil HVAC and shows 12 projects for it.
Specializes in
Languages
Typical Greater Boston range for this kind of work, from regional averages — not a quote from 1A BRAZIL 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
No changes recorded yet — last scanned Sep 25, 2026.
Licensed HVAC contractor3.7
Handles complex retrofits5.0
Diagnoses before replacing5.0