Greg Hahn Heating & Air Conditioning
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At Greg Hahn Heating and Air Conditioning, we’re proud to serve Decatur and the surrounding communities with trusted, reliable HVAC services.
As a locally owned and operated business, we specialize in heating, cooling, and air quality solutions for both residential and commercial customers. Our team is dedicated to keeping your home or business comfortable year-round by providing expert installation, maintenance, and repair services for furnaces, air conditioners, heat pumps, and indoor air systems. We focus on personalized service, hon
05/01/2026
Call 217-428-4545 now to schedule your spring checkup and stay ahead of the busy summer schedule.
04/01/2026
We’re honored to be nominated in the Herald & Review Best of Readers’ choice awards!
Voting starts April 1st and you can vote every single day!
Text “107” for Best HVAC Company to (217)393-6298
Text “108” for Best Electrical Services to (217)393-6298
Thank you for supporting local businesses!
01/16/2026
Join our team at Greg Hahn Heating & Air Conditioning! We're currently hiring service technicians with experience in HVAC. If you're ready to take your skills to the next level, we want to hear from you. For more information, please call or email us.
01/13/2026
Is your HVAC system ready for the changing seasons? At Greg Hahn Heating & Air Conditioning, we provide top-notch HVAC services to keep your home comfortable year-round. Whether you need repairs, maintenance, or a new system installation, our team is here to help. For all your HVAC needs, call us at 217 428 4545. Your comfort is our priority!
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4246 West Main Street
Decatur, IL
62522