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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Four Seasons Comfort. 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
Four Seasons Comfort is a Sterling, MA HVAC company that states 11 years in business, serving Clinton, Marlborough, Harvard, Acton, Leominster and Sterling, and it holds MA HVAC license 780-SM-B, active on the state registry. Google shows a 5.0-star rating from 435 ratings, with 245 reviews on file dating back to 2021. Many reviewers describe technicians, including Caleb, Nick and Dave, as professional and knowledgeable, and several said the company responded quickly, including same-day or next-morning service calls. Reviewers describe jobs such as furnace and oil burner installs, mini-split repairs, and heat pump system replacements. A recent review said a motor died two weeks after a full system service, and that repairs took over a week and a significant invoice was still sent.
New oil burner install (removing old). Scheduled to take two days. Removal and installation went very smoothly. They completed the job as promised and were very professional and informative. There were a few minor parts that needed to be re-ordered. Jason was able to get the needed parts the same day and all good. We appreciate the hard work by the entire staff including Jason, Nick, Luke, McKayla and Caleb.
The work went over 3 months due to supply issues with LG parts but the team was helpful in fixing the HVAC system. Very professional and punctual with the repairs.
There was an issue with one of my mini splits and they came out and fixed it right away and were very professional and explained everything to me.
Caleb and Aidan were courteous and professional. They detected the problem, explained it, and were able to fix it quickly. They put everything as it was before they arrived. Thank you!
Four Seasons rocks, I been a customer for many years and there response when needed is second to none. If your already a customer you understand, if your looking for anything HVAC there your team, you won’t be disappointed. Nick drove over two hours to get my AC back on during family vacation. Simply the best
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2 changes recorded — last scanned Sep 22, 2026.
Often same-hour emergency response5.0
5.0
Old-house expertise5.0
Long-term support5.0
3.9
2.4