Air Conditioning Repair & Tune-Up Services Near The O'Fallon, IL Area

When your air conditioner fails, you can always rely on our experienced team at Heritage Heating and Cooling for efficient services in O’Fallon, IL, Edwardsville, IL, as well as surrounding communities. Our professional, licensed, bonded, insured, and EPA-certified team offers you prompt service in order to get your system back to normal quickly.

Our team understands that letting a stranger into your house can be concerning. To combat this our team undergoes drug testing and full background checks. Doing this allows us to keep our 100% customer satisfaction rating with American Standard. Our team is ready to assist you with top-of-the-line customer service, no matter how big or small your air conditioning repair may be.

Why Choose Heritage Heating & Cooling For Your AC Repairs?

Positive Reviews from Past Customers

Available for After-Hours Emergency Services

0% Interest Financing for up to 60 Months

A+ Rating with the Better Business Bureau

Emergency & After-Hours AC Repairs Available

When you have an issue with your air conditioner, it is crucial that you have the issue resolved right away. This is because your comfort is at risk. At Heritage Heating & Cooling, we offer our customers same-day and after-hours emergency repair services. Our technicians are trained professionals who are properly equipped with the industry’s best tools to give you an accurate diagnosis. Our technicians are American Standard Custom Care dealers, and we service HVAC parts from all brands including:

With our HVAC specialists in O’Fallon, IL, you can rest easy knowing that we stand behind the service quality that our team provides. No matter if you have a ductless mini-split or a central air conditioning system, our repair service is backed with a one-year warranty on parts and labor, as well as a five-year warranty on labor on new air conditioner installations offered at no cost to you. Making sure that your home’s air conditioner is properly repaired as well as maintained can help your system run at its peak efficiency.

Call Our Team Today For:

  • Affordable Rates and Upfront Pricing
  • Military, Veteran, and Senior Discounts
  • Special Offers On Air Conditioning Repairs
  • Same-Day Service With A Two-Hour Service Window
  • AC Repairs for Any Make and Model


Once our team of repair experts is completed with their work, we make sure to leave your home the exact same as we found it and usually better. We take pride in making sure that your home or business stays as pristine as it was when we arrived. We do this by cleaning up after ourselves and treating your property with the utmost respect.

Check out our annual service membership and start enjoying the benefits today!