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Carlson Heating, Air & Hot Water Inc puts in furnaces, mini splits and air conditioning, and holds 4.6 stars from 15 Google ratings. A 2026 customer was pleased with a mini split and furnace installation and said the company was "right on the ball" with questions after the install. A customer who had a new furnace put in a year earlier wrote in 2026 that they no longer run out of hot water while showering as the dishes are washed, called the price reasonable and mentioned the straight pipes. A 2025 customer said Bob Carlson laid out several options, each explained, with up-front pricing, and was also involved with the installation. A 2022 customer said the technician who serviced their ductless air system was friendly and shared some pointers on maintenance. A 2023 customer described a dispute: an AC unit bought with a new furnace leaked after one season, and the customer wrote that the manufacturer blamed the install for using a plastic pan instead of the required metal pan for an oil furnace. That customer said the company replaced the pan but would not fix the damage unless they paid for a cleaning, and wrote that they would tell the DCP about the billing. Connecticut lists its heating and cooling licence, HTG.0390526-S7, held by Robert H Carlson, as inactive due to non-renewal.
These guys are pros. Bob Carlson is a great guy to deal with and works well with you. Andrea and his crew are absolutely great guys!! He did an awesome job on our mini splits and furnace installation ! If you have any questions after the install they are right on the ball!! Tina is great to work with also. I highly recommend this company for Heating ,air, and hot water installation! I'm hooked for life with this company!! Rock on guys!!!!
It's been one year since our new furnace install. I must say we are very happy with our furnace. I don't run out of hot water while showering any longer while we also wash dishes. I'm a very picky person and my wife and I are very happy with this furnace install so far. The price was reasonable and the installation team did a very professional job. From the pipes being straight to the furnace working well, and a good working attitude, we're happy. Thanks 👍 Frank+ Terry S.
If your looking for new heating and/or air conditioning you will not go wrong choosing Carlson's. You will be giving several options and choices each being fully explained by Bob Carlson along with up front pricing. He is also involved with the installation which is done by very professional and courteous servicemen and the crew is backed up by very a resourceful office staff.
Always pleasant and accommodating. Quick efficient service.
Bob and Tina Carlson and the team at Carlson Heating, Air and Hot Water, Inc have taken care of our heating and A/C needs for many years. They are knowledgeable, they do good work, and we are very grateful for their help.
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2 changes recorded — last scanned Oct 31, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from Carlson Heating, Air & Hot Water Inc. 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
