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Typical your area range for this kind of work, from regional averages — not a quote from B&B Mechanical Services 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
On the Better Business Bureau, B&B Mechanical Services describes itself as specializing in HVAC services for commercial, industrial and residential properties in areas throughout MA and NH. Its website states it has been in business 26 years. Its New Hampshire HVAC license MBE1901195, held by B&B Mechanical Services, INC, is active on the state registry. New Hampshire HVAC license GFE0906043, an individual licence held by Jeffrey P Mitza, is also active on the state registry. In 2024 a customer wrote that a company had told them their water boiler could not be fixed, and that B&B technician Bob troubleshot and fixed multiple issues to get the system working. In 2024 that customer wrote that Bob explained everything clearly and left the area spotless. In 2020 a customer wrote that Jeff, the owner, had been pleasant and professional, and that his company had installed a central air system in their house several years before. In 2020 that customer wrote that he and his team had been very responsive whenever they needed service since. In 2020 a customer wrote that B&B Mechanical had handled maintenance of the HVAC systems at both their home and office building for many years, and had been quick to respond on service calls. A recent Google review complains that a driver for the business was tailgating and almost rear-ended the reviewer on the Mass Pike westbound.
Why is your driver tailgating me and almost rear ending me on the mass pike westbound at mile marker 23?
I had a company come out and tell me my water boiler could not be fixed. I'm so glad I called B & B! Their technician, Bob, was very knowledgeable and hardworking. He went above and beyond to get my system working. Bob was able to troubleshoot and fix multiple issues. He explained everything clearly and left the area spotless. 10 out of 10!
I have had the pleasure of working with B&B Mechanical for quite some time now. I can honestly say that they are one of my most reliable and responsive techs. B&B is my go to vendor in NH & MA. They are easy to work with and always willing to work through any issues that may come up. 10/10 highly recommend.
Our company has used B&B Mechanical Services for many years. They are professional, reliable and responsive. On numerous occasions we have had to call for no heat or ac and no matter what hour of the day or day of the week they are quick to respond. All of the staff is a pleasure to work with and I would highly recommend this company.
Jeff (owner) has been very pleasant and professional to deal with. His company installed a central air system in our house several years ago. Competitive price and excellent service. Since, anytime we have had a need for service he and his team have been very responsive. I would highly recommend their services.
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4 changes recorded — last scanned Sep 30, 2026.
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