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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Davis Mechanical Corp. 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
Davis Mechanical Corp is a Braintree, MA HVAC contractor, locally owned and operated, working out of a small shop that covers Braintree and about a dozen surrounding South Shore towns. Reviews from 2025 into this year keep naming the same person: Bill. In an April 2026 review, a customer describes him relocating a heating system from the basement to the attic at a fair price and keeping them updated throughout. In several reviews from August 2025, customers describe a dead AC replaced with a new condenser between a Friday breakdown and Saturday lunchtime, a full system swap finished in under 24 hours at another home, and a longtime customer saying Davis has served their home for years and always shows up on time. On Google the company holds a 4.6-star average from 21 ratings, and BBB gives it an A+ grade, though it isn't a BBB-accredited business. The website currently states 10 years in business, while BBB has the company operating in Braintree since 1998 (28 years) — worth asking about directly. For an HVAC breakdown or installation anywhere from Braintree to the nearby South Shore towns, Davis Mechanical is worth a call, especially if speed and a fair price matter; several recent customers specifically ask for Bill by name.
Bill did a great job relocating my heating from the basement to the attic. He gave me a fair price and was always available by phone and kept me up to date on the progress.
These guys are amazing. My AC went out Friday morning and these guys had me up and running with a brand new condenser by lunch time on Saturday. Great to work with and very competitive on pricing! Highly recommend.
Great experience and service. Completely replaced the A/C system at my Mother’s house in less than 24 hours! All is working fine again.
Bill was excellent in explaining every detail and also helped with leading me in the right direction for financing. He and his team.were very efficient and cleaned everything to a hight standard.
I have used this firm for both large and small jobs. Prompt professional service with reasonable prices. Will use again.
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1 change recorded — last scanned Sep 17, 2026.
Diagnoses before replacing5.0
Fast response times5.0
Complex jobs solved5.0