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AirSupp Heating & Cooling is a one-call HVAC shop built around speed — technician Serhii (reviewers also spell it Sergei, Sergio and Sergey) shows up same-day or within hours for a failed heat pump, a dead AC compressor, or a dryer vent clogged enough to matter. The company is locally owned and based in Somerville, specializing in heat pump and ductless mini-split installation alongside general HVAC work across Somerville, Cambridge and the greater Boston area. Across 33 reviews from 2023 through this year on Google and Thumbtack, the story repeats: Serhii diagnoses the problem quickly, explains it in plain terms, and gets the system running the same day. One reviewer's heating system failed days after a snowstorm; Serhii came out the same day, ran a thorough diagnostic, and located the correct replacement parts for an obscure heat-pump manufacturer. Another called after a bird's nest clogged a dryer vent — he removed it and cleaned the entire duct. When a condo's HVAC system failed while it was listed for sale, the team assessed the layout and installed a new mini-split system within six days; when a thermostat failed elsewhere, the technician arrived with several replacement options on hand and installed a Wi-Fi model on the spot. The dryer-vent and duct-cleaning jobs come with before-and-after photos, and on at least one same-day call the technician skipped the usual dispatch fee. Google rates the company 5.0 from 29 reviews, and Thumbtack 4.7 from 14. Thumbtack lists AirSupp as a background-checked provider and an accredited platform member, with 26 projects shown and 15 hires on the platform. For a heat pump or mini-split install, a dead AC or furnace, or a dryer vent that needs clearing, AirSupp looks like a fast, well-reviewed call in the Somerville/Cambridge area — get a written quote and appointment window up front, the way several reviewers describe getting one.
Serhii was very timely and professional. Troubleshooted an issue we were having with our central air unit and got everything up and running quickly in an afternoon.
Sergey did a fabulous job with my HVAC system. He ran on time for my appointment. He was very knowledgeable. He explained everything he was doing. He cleaned up the work area. He was very reasonably priced. I HIGHLY recommend him.
Serhii was great! Showed up when he said he would, texted when he was running late, and was very straight with the issues I had. He even did his own research on the problem before arriving so he could explain things in a clear and informed manner. He offered me realistic suggestions that fit my budget and helped me come up with a plan going forward. I highly recommend him and AirSupp!
Highly recommend Serhii. He was super professional and effecient. Thoroughly cleaned dryer vents and even cleared internal debris from the dryer. Very responsive and was on the job within a few hours of requesting service.
He came to remove a bird’s nest from my dryer’s external vent and clean the entire duct, and I’m very pleased with the service. From the start, he was responsive and easy to schedule with. He arrived on time, explained the issue clearly, and walked me through what needed to be done. He handled the nest removal carefully and ensured no debris was left behind. He then thoroughly cleaned the dryer vent duct, improving airflow and giving me confidence that everything is safe and functioning properly again. I especially appreciated his attention to detail and willingness to answer my questions. Overall, the service was professional, efficient, and well worth it. I would definitely recommend him to anyone needing dryer vent cleaning or dealing with similar issues.
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2 changes recorded — last scanned Jul 2, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from AirSupp Heating & Cooling. 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