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St Jean Heating & Cooling is a Wilmington, Massachusetts HVAC company serving residential and light-commercial customers. BBB describes heating, cooling, ductless mini-splits, boilers, furnaces, heat pumps, and high-velocity air conditioners, with design, installation, maintenance, and optimization services. BBB lists the company as accredited with an A+ grade and says it has been in business for 20 years. HomeAdvisor lists central air installation, heat-pump installation and replacement, and gas heating and furnace service. This is a fit for routine HVAC maintenance, system replacement, or ductless and heat-pump work in the Wilmington area. Confirm the current scope, pricing, and licensing details before authorizing work.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from St Jean Heating & Cooling. 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
Specializes in
Also offers
Languages
No changes recorded yet — last scanned Sep 19, 2026.
Transparent diagnostics5.0
Broad plumbing and HVAC range5.0
Repeat, years-long customers5.0
Water heater and boiler installs5.0
Two AC technicians out within a few hours5.0
