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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Lavoie Heating Service, LLC. 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-heat calls answered in minutes, not days, are what Lavoie Heating Service's customers write about. In a November 2025 review, a customer said Dan arrived 10 minutes after the call and fixed a relay switch. In January 2026, another said Dan was at the door within an hour and a half after a different HVAC company had kept them waiting 48 hours. The Millbury company says it has been family owned and operated since 1978, and a June 2026 Reddit commenter described it as a small operation with the owner doing the quoting and most installs himself. Google shows 4.9 stars from 111 ratings, and the BBB rates it A+. Its Massachusetts hvac license (9188-SM-M1), held by Andrew J. Lavoie, is expired on the state registry. Customers mention honest diagnoses. In an August 2026 review, a customer whose oil company planned to condemn and replace their oil tank said Dan told them the oil company was wrong, measured and looked for the best options, and a crew installed a new tank. A December 2025 customer said other companies failed to diagnose their problem and quoted a whole new system, while a technician came on Christmas Eve and found the issue in five minutes. An August 2026 customer with a mini split blowing warm air on a 93-degree day said the repair was done within a few hours of the first call. In a January 2023 review, a customer warned that oil orders were charged in full when placed and again on delivery, with the refund still missing five days later.
“pretty small operation with the owner doing all the quoting and most installs himself”
10 ********** Service 93 out 55% humidity. 82+ in with mini split blowing warm. From the time I spoke w/ Jordan & the arrival of service reps Koby & trainee Trevor, referred by Herbie (aka Mobile Doctor) In and out professionally throughout the repair. All within a few hours of my initial call. A regular and repair service today. Lavoie Heating Service for all my future HVAC needs. Billing forthcoming but expect very reasonable fee for their great service. Canceled old company that I called yesterday and never got my call back w/service time. 10 ********** Service
Deserves ********** 10 stars From initial call with Jordan and service reps Kody & Trevor, I knew I was in good hands, at the first hello. I was waiting from my Emergency call the night before to reach out with an appointment date and time. Lavoie Heating Service, LLC has won me over for my future service needs. I was referred to by Herbie (Dr. Mobile) I look forward to your caring services in the future. Customer Outside temp 93°, inside temp @82+. Chillingly Yours, Rick S. 10 ********** Service
Lavoie Heating has been an incredible company to deal with, from the owner Dan to technicians Kody and Trevor. They installed a new heating system and were so thorough and professional, they answered all my questions and left my basement looking very clean. It was a pleasure to work with this company and I highly recommend them for heating needs.
When we were told by our oil company that they were going to condemn our old oil tank they also suggested they could replace it. They gave us a price and contract we were not happy with. Lavoie Heating installed our central air and mini split over 10 years ago. I called Lavoie Heating and Dan came out and told me that what the oil company was wrong and he measured and looked for the best options. Yesterday Kody and his crew from Lavoie installed our new oil tank. They were so well organized, they brought everything they needed. They explained what they were doing step by step. (We are always curious when we have repairs or service to our home but do not interfere with our professionals). I wish I had gotten the names of the other young men who worked with Kody as they were a great team. Thank you Dan and team. I will be happy to recommend you to all.
Fabulous experience with mini split install from start to finish. I would highly recommend Lavoie Heating Service. Thank you Dan.
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Certified attributes are verified against the public registry. Others are the business's own statement.
2 changes recorded — last scanned Aug 16, 2026.
Prompt service4.6
Fast emergency response2.8
Often same-hour emergency response5.0
Emergency response5.0
Local recommendations2.9
Water heater installs4.3