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Heritage Heating & Cooling Heritage Heating & Cooling
Call Us Today! 618-323-3431
Family-Owned & Veteran Operated HVAC Company We're Not Comfortable Until You Are Proudly Serving The Metro East & Surrounding Areas
  • American Standard Authorized Dealer
  • BBB A+ Accredited
  • Home Advisor Screened & Approved
  • Nextdoor Neighborhood Favorite
  • Yelp!
  • Environmental Protection Agency (EPA) Certified

Exceptional Air Conditioner & Furnace Services in O’Fallon, IL 

HVAC Experts Proudly Serving the Metro East 

Dealing with HVAC issues in your home or business? Don’t try to resolve the issue yourself! Get help from our insured, bonded, and licensed HVAC technicians at Heritage Heating & Cooling! When unexpected issues with your residential or commercial HVAC system occur, our team of professional air conditioning and heating technicians is here to serve home and business owners in O’Fallon, Edwardsville, and throughout the Metro East. We have the knowledge and experience needed to effectively fix your HVAC issues, no matter how big or small. Let our team at Heritage Heating & Cooling take the stress out of your HVAC repair!

Call (618) 323-3431 for high-quality air conditioner and furnace services in O’Fallon.

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We Service All Makes & Models
Our technicians have the expertise to service all HVAC brands.

Why Choose Heritage Heating & Cooling?

As a family-owned company, we take immense pride in serving the members of our community. We live by our motto: “We’re not comfortable unless you are,” which is why you can always expect us to deliver superior service and personalized solutions to all your HVAC needs. 

Choose Heritage Heating & Cooling because

  • We repair all makes and models of equipment 
  • We are available for emergency services 
  • We offer same-day, weekend, and after-hours appointments 
  • We provide excellent warranties on parts, labor, and equipment 
  • We only hire drug-tested and background-checked technicians
  • We are EPA certified
  • We offer veteran and military discounts
  • We offer senior citizen discounts
  • We provide free estimates on new equipment 
  • We offer 0% financing for up to 60 months 

Never settle for anything less than the exceptional service you deserve. Hire Heritage Heating & Cooling and rest assured your home or business is in excellent hands.

Give us a call at (618) 323-3431 today to schedule your next HVAC service in O’Fallon. 

Experience the Difference in HVAC

Your Comfort Is Our Mission
  • Family-Owned & Veteran Operated
  • Warranty-Backed Services
  • EPA-Certified Company
  • Insured for Your Peace of Mind
  • Financing Options Available
  • Background Checked Technicians
Contact Us Today
Send us a message or give us a call to see how we can help.

Taking Care of All Your Comfort Needs 

With nearly 15 years of service experience under our belts, we have successfully handled tens of thousands of heating and cooling services. Our highly trained technicians always adhere to the highest standards of service, which is why we have earned a reputation for always getting the job done right. Offering a comprehensive range of residential and commercial HVAC services, you can rest assured all your comfort needs are met. We work with all brands, makes, and models of equipment, and can handle any repair, replacement, maintenance, or installation service that comes our way. From AC repairs to routine HVAC maintenance to indoor air quality assessments to furnace replacements, we’ve got you covered. 

Unmatched Installation, Maintenance & Repair Services 

No matter what time of day, our team is available to provide you with 24/7 emergency HVAC services. With ongoing training, our technicians can maintain and service any brand of HVAC equipment. In our ever-changing industry, we make sure our technicians are up to date on all the latest innovations and practices to bring our customers the best quality HVAC services throughout O’Fallon, IL, Edwardsville, IL, and the Metro East.

For fast and reliable air conditioner and furnace services in O’Fallon, call (618) 323-3431. We can also be reached through our online contact form.

Hear From Our Happy Customers

    "Heritage always does a great job. Quick response, professional and knowledgeable technicians and superb customer service. My heating went out at 11 this morning and Tyler was here by 2:30 to replace it. The price was reasonable and I'm happy!"
    - Kimberley P.
    "Very prompt, professional and polite service. Heritage responded quickly during a heatwave and every person I spoke with was very friendly and polite! My second experience was just as satisfying as they fixed an issue with my furnace. Definitely recommend!"
    - Brian P.
    "Heritage Heating & Cooling came through for me in a same-day AC unit repair. Brian was the most professional, kind, and genuinely nice technician I have ever encountered. While I hope to not be in this situation again, I would definitely recommend."
    - Kristie A.
    "Fantastic experience using Heritage Heating & Cooling. Brian was very friendly and found the issue quickly. There were no high-pressure sales tactics to do anything beyond what was needed. Honesty and professionalism best describe my experience."
    - Chris H.
    "Our entire experience with Heritage was professional, workers were on time, knowledgeable, and polite. They did a wonderful job of cleaning up when the installation was complete. Can't say enough good things about this experience."
    - Lenora J.
    "The service was great. They were earlier than expected and got right to the point of assessing the problem. In 30 minutes our AC was back in service. I won't use anyone else. Highly recommend Heritage."
    - Chuck T.
    "Not only are the technicians great when they come into our home, but they never try and upsell us on anything. Are very honest with repairs that are needed, versus things that we should expect in the coming years as the system ages."
    - Jennifer A.
    "They are extremely professional, and honest and take their time to do quality service for their customers. Tyler explained what he was doing to make sure our furnace would be in top condition for the winter. I highly recommend this company."
    - Liz M.

Contact Heritage Heating & Cooling Today!

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