About Barnhart Heating & Cooling

Barnhart Heating & Cooling consistently receives positive feedback for its exceptional service and professionalism. Customers appreciate the prompt response times and the thoroughness of the team, particularly Derek and his crew. They are known for their kindness, patience, and willingness to answer questions, making even new homeowners feel comfortable and informed about their HVAC systems. Barnhart Heating & Cooling excels in both residential and commercial services, with reviews highlighting their reliable heating and cooling repairs, as well as new system installations. Derek's honest and transparent approach stands out, as he takes the time to explain processes and provide useful maintenance tips. Many customers have noted that the pricing is reasonable, further adding to the overall satisfaction with the service. Overall, Barnhart Heating & Cooling is highly recommended for anyone in need of HVAC services in the Granite City, Alton, Riverfront, and Metro East areas, thanks to their dedicated team and commitment to customer service.

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Reviews for Barnhart Heating & Cooling

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  • Jul 2026

    I'm very pleased with the service call by Barnhart. They were prompt, professional and took care of my issue for a reasonable price. I would definitely recommend Barnhart HVAC.

  • Apr 2026

    I had an excellent experience with Barnhart Heating and Cooling when they came out to service my commercial building. Derek Barnhart was professional, honest, and extremely helpful throughout the entire process. He took the time to explain everything clearly, treated me very fairly, and went above and beyond to help.

    I highly recommend Derek and Barnhart Heating and Cooling to anyone looking for reliable HVAC service, heating and cooling repair, or commercial HVAC work in the Granite City, Alton, Riverfront, and Metro East areas. Great service from start to finish.

  • Jan 2026

    Very helpful group of guys. Derek took the time to educate me on furnace maintenance as a new home owner when he absolutely did not need to take the time to do that. Will absolutely be using them going forward for anything I need.

Hours

Monday: 8AM - 4:30PM
Tuesday: 8AM - 4:30PM
Wednesday: 8AM - 4:30PM
Thursday: 8AM - 4:30PM
Friday: 8AM - 4:30PM
Saturday: ClosedSunday: Closed

Location

2535 Edison Ave, Granite City

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