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Clark's Heating has a 4.8-star Google rating from 69 ratings and an A+ grade from the Better Business Bureau. Its Connecticut HVAC licence, number HTG.0391067-S1, is active on the state registry, with CLARK PLUMBING & HEATING as the holder of record. A recent customer with a leaking oil tank said Clark's had someone out in 30 minutes on a Sunday to inspect it and attach a magnet to temporarily stop the leak, then fit the replacement into its schedule quickly in an old house. A recent customer said Clark's came in stormy weather for a heating problem and also took care of a plumbing problem. A 2025 customer said Bill came out on Christmas Eve for a furnace emergency, arriving prepared with everything needed to fix the problem on the spot. A 2026 customer said the company replaced a hot water tank in an hour and called the price very reasonable. In 2022, a customer wrote that Bill showed up 20 minutes after the call and had them up and running in 30 minutes. A 2024 customer who had just moved to the area said Clark came out for a furnace cleaning, explained the filter and when to replace it, showed the vent pipes and explained why a kitchen heater did not work. A 2025 customer said an emergency call was charged at a standard price, with no emergency up charge. A 2023 customer said an AC service call brought a technician with no ladder, a wait of hours for a second vehicle to bring one, and an invoice well above the phone quote that charged for two visits and for the ladder. A 2023 customer wrote that they left three messages on different days and were never called back. A 2023 customer said the furnace was judged broken within 5 minutes of inspecting, without any real tests.
Excellent work, came in stormy weather to take care of my heating problem. even took care of a plumbing problem I had.
We had a leak in our oil tank and they had someone out in 30 minutes on a Sunday to inspect and attach a magnet to temporarily stop the leak. They fit us in their schedule for a replacement quickly. It was very difficult oil tank replacement in an old house but they did an excellent job.
He is a true gentleman who does the right thing and the result is absolutely amazing, so we thank him very much for his work. and he has the best price in the in the city. is from alibaba okay all
Great all round experience. Great workmanship on time and on budget. No BS or overselling.
Always a pleasure. Knowledgeable, quick and efficient, friendly. Couldn’t be happier.
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1 change recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from Clark's Heating. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,700 – $10,700
Typical HVAC project around $7,700