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Heat Pump Pros works on heat pumps, mini-splits and conventional heating systems. Its BBB page describes heat pump and mini-split system integration, air conditioning design and fossil fuel system transitions, and the company says it has been in business 20 years, naming Hartford, Tolland and Litchfield as its service area. It carries 4.9 stars from 32 Google ratings and an A+ grade on the BBB. A recent customer said the company converted their house from oil to propane, installed a new hot water heater, furnace and condenser, and moved ducts. A recent customer whose system had been hit by a storm surge said Greg showed up, asked all the questions and fixed the problem. A 2023 customer said Heat Pump Pros was on site the same day after a boiler malfunction, coordinating with the chimney cleaners, and that they had heat and hot water that same day. In a 2023 review, a customer said Greg installed a furnace and a new oil tank, was done in a day and took the time to explain the system and its maintenance. A 2023 customer said Greg and his crew installed a mini split system that cooled the entire main floor of their house. A 2023 customer said Greg checked their heating unit, found it in good condition and did not push a newer unit. A 2024 customer said the company maintained their Mitsubishi heat pump, protected the floors with shoe coverings, left no mess and priced lower than other quotes they had received. A 2023 customer wrote that Greg had previously been with Peachywah Heating & Cooling. A 2024 customer gave one star after filling out the contact page and hearing nothing back.
“Millstream construction or heat pump pros both are awesome”
Greg said something to me in response to a thank you message that perfectly describes his company. "It's my pleasure to be someone who you know you can count on and reach out to when you have a question or problem in my realm." This is true old school customer service, a lost art in today's times. Greg cares enough to tackle the problem simple as that. We had a downed system that had been hit by a storm surge. Greg shows up, locks in, asks all the questions and fixes the problem, he's a can do person. A++ Service We will always used Heat Pump Pro's.
Heat Pump Pros. did a great job, converted my house from oil to propane and installed new hot water heater, new furnace, new condenser, moved ducts. great job would recommend
Greg and Heat Pump Pros have been excellent for both my business and house. The results have been great but what is just as nice is the communication and efficiency in which they operate. Whenever we have had an issue, Greg has been there for us. I have four years experience working with Heat Pump Pros and I will give them the highest recommendation. Consistency of care and people that enjoy what they do. It’s nice to see that
Greg and his team are really great! The heat and cooling source in my home is from mini-splits and we have been having issues along the way (they did not install) and Greg and his team are always easily reachable, responsive, kind, and courteous. They respect your home, your time and explain every next step along the way!
Greg and his team helped me during a tough point in me and my families life. We lost a lot due to a large mold remediation and needed someone local to assist with our mini splits. Greg was fast to respond and he has been a pleasure to work with - professional, caring of our situation, knowledgeable and fair. I would highly recommend using his company. I will not only be working with him for scheduled annual servicings, but will be referring him to my network as well.
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2 changes recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from Heat Pump Pros. 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
