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Comfitrust is a Boston HVAC company, and in a 2025 Google review one customer said it installed a GREE ductless system that ran very quietly and kept their home comfortable, adding that they were able to receive a government rebate. The company's website says it offers heating and cooling installation, maintenance and repair, home insulation and water filtration, with a second office in Manchester, NH. Its BBB page gives it an A- grade and lists it as not accredited, started in 2025 with one employee under president Shanzhao Guo. In a 2026 Angi review, a customer said the company had just finished installing a Gree unit, mounted high enough for air circulation and perfectly level, and called the wiring and mounting seamless. A 2026 Angi reviewer called them very professional, neat and fast and thanked Mark and his crew, while also writing, "They couldn’t speak a word of English though." A 2026 post on homeguide.com said the contractor showed up on time and helped with an outlet issue without extra charge.
“Good price and good service. The contractor showed up on time and provided a good service, and they helped us with our outlet issue without extra charge.”
They were great very professional, neat thank you very much and fast. They couldn’t speak a word of English though. Am very happy with Mark and his crew thank you !
Highly recommend ComfiTrust for HVAC work! They just finished installing this Gree unit for me. What impressed me most was their attention to detail—the unit is high enough to ensure great air circulation but perfectly level. The wiring and mounting are seamless. It’s hard to find contractors who actually care about the 'finished look' of a project, but these guys nailed it. Efficient, polite, and very knowledgeable.
ComfiTrust recently installed a GREE ductless system for us, and we’re extremely happy with it. The unit runs very quietly and keeps our home comfortable all year round. The installation was professional and efficient, and we were also able to receive a government rebate, which made it even better. Highly recommend ComfiTrust for anyone looking for quality HVAC service!
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2 changes recorded — last scanned Sep 9, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Comfitrust. 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
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
Fast next-day response5.0
