★★★★★
Have only good things to say. Top notch professional company. From management to the installers. So impressed. Highly recommend!!!
The true measure of our work isn’t just in the systems we install — it’s in the comfort, confidence, and peace of mind our clients experience every day.
From homeowners to business owners, our customers trust us to deliver honest recommendations, dependable service, and results that last. Their feedback reflects our commitment to doing the job right the first time.
These testimonials represent real experiences from real clients who rely on our team for heating, cooling, air quality, and ongoing HVAC support.
Have only good things to say. Top notch professional company. From management to the installers. So impressed. Highly recommend!!!
Very professionally done. Impressed by their versatility. They gave us two options for the system and customized it around our living and attic storage space. We chose a heat pump with a ducted air handler and mini split. It has worked flawlessly even with temps down to 11°F. Thanks Graham!
This company is amazing. Super friendly and explained everything clearly. They got me a new unit almost immediately and did a great install. Prices were as low or lower than anyone else. They really went the extra mile to get heat back for my family.
From start to finish they did a wonderful job. The techs were friendly, courteous, and professional. We won’t have anyone else working on our HVAC system.
The installers were professional and friendly. I was satisfied with the install and would use them again.
These guys were fast, friendly, and personable. I don’t see the need to ever call anyone else for HVAC work. Graham is all you need!
Our experience with Grahm was great. The two men that installed our unit were very polite. Eric has been great! Grahm is who we will always use—just a wonderful company.
We had a great experience with Eric and his crew! Great price and warranty compared with other quotes we received.
The good folks at Graham H&A in Middlesboro rescued us when our previous service group let us down. They responded quickly, diagnosed the issue, proposed a solution, and fixed the problem. The technicians were efficient, knowledgeable, and thorough. Everything has worked perfectly since. Thank you Graham H&A!!
I loved this company. They were prompt, reasonably priced, and extremely knowledgeable. The workers were friendly and hardworking. We now have a whole new HVAC system and it works fantastic. They cleaned up after themselves. Highly recommend.
Absolutely fantastic! When another installer refused to honor warranty work, Graham’s diagnosed and fixed the problem before the next deep cold hit. Gregg was prompt, professional, pet friendly, and explained everything clearly. We were fixed and running in under two hours. Graham’s is our HVAC company from now on.
If you need HVAC work, Eric and his staff at Graham Heating & Air are the ones to call. Very responsive, courteous, and professional. I live out of state and trust them completely to take care of my rental properties and tenants in Middlesboro.
I’m so pleased! Our air was out for days. I called Graham Heating & Air on Saturday and three days later we were relaxing and enjoying cool air again. They installed a heat pump and furnace at the best price anywhere. Big thanks to Nick and Thomas for being so kind and helpful. Thank God!
Just moved into a home and the furnace wasn’t working. Graham Heating & Air got me scheduled quickly. Michael and Cody were a huge help. Michael had no problem walking up and down our steep hill, and Cody was efficient, professional, and kind. These are great people who truly care.
Called them on Sunday and they were here within 30 minutes. Best service ever and the technicians were great!
Great service. It was -1°F and the system was acting up. Within an hour of calling, someone was there. They couldn’t fully fix it immediately but made sure emergency heat was running. Great people.
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