Heritage Heating & Cooling

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97 Betty Ln
O Fallon, IL 62269
+1 (636) 597-6937
https://www.heritage-service.com
Your search for an honest and reliable HVAC company ends with Heritage Heating & Cooling. Backed by nearly 15 years of service excellence, their EPA-certified technicians deliver the highest quality heating, air conditioning, and indoor air quality services to residents and business owners in O’Fallon and throughout The Metro East. As a family owned and operated company, they take immense pride in serving their community, always going above and beyond to get the job done right the first time around. Adhering to the highest standards of workmanship and customer service, you can count on them to meet all your HVAC needs and exceed all of your expectations. Give them a call today to request a free service estimate and make an appointment.

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Reviews

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4.513 reviews
Whitney B.
5/2/2022

Heritage is always extremely responsive, professional, and timely. They have provided routine maintenance on our HVAC systems for years and when it was time to replace the AC unit and furnace...

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Elliott T.
8/26/2025

4 Stars**** Heritage Heating and Cooling came out to check a problem, but my service slipped through the cracks. Once the owner realized what happened, he immediately stepped in, got it resolved,...

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Randall T.
7/29/2023

We love Heritage Heating and Cooling and have been their loyal customer for over 5 years. They provide quality services to keep our heating and cooling systems in good repair and functioning...

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Tim R.
7/31/2022

Heritage installed new air conditioners a few years ago. Excellent and responsive service. A different company didn't impress me during initial troubleshooting when the old units were having...

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Pat B.
11/1/2019

Heritage has been consistently punctual and thorough maintaining our HVAC. Freddie, the technician here recently was punctual, amicable and entirely professional. I was especially grateful for...

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