AC Repairs We've Mastered the Craft of HVAC

O'Fallon AC Repair

Call for Expert Cooling Repair in O'Fallon & Fairview Heights

When your air conditioning system fails, you can rely on our expert ac repair technicians at Heritage Heating & Cooling for fast and efficient service in O'Fallon & the neighboring communities. Our EPA certified, licensed, bonded, and insured technicians offer prompt, professional service to get your system up and running quickly.

We understand that letting someone you don’t know into your home can be worrying, which is why our technicians undergo full background checks and drug testing. We are proud of our 100% customer satisfaction rating with American Standard, are ready to assist you with outstanding customer service, no matter how extensive your cooling repair needs may be.

Why choose our O'Fallon Air conditioner repair specialists?

Find out how you can get $65 off of you repair. Call us at (618) 649-0056 or use our contact form today!

(618) 649-0056 or use our online form today!

Emergency, After-Hours Repair Available

When you have a problem with your air conditioning system, it’s important to have the problem fixed right away. Your comfort depends on it. At Heritage Heating & Cooling, we offer same-day AC repair as well as after-hours emergency service. Our heating as well as AC technicians are professionally trained and equipped with the highest quality tools for accurate service diagnostics. Our O'Fallon air conditioning repair team is an American Standard Customer Care dealer, we repair and service air conditioners and heat pumps from all brands, including:

  • American Standard
  • Trane
  • Carrier
  • Bryant
  • Comfort Maker and more.

With our heating and cooling in O'Fallon, you can rest assured knowing that we stand behind the quality of our workmanship. Whether you have a central air conditioner or a ductless mini-split, our O'Fallon air conditioning repair service is backed with a full one-year warranty on parts and labor, and five years of labor on new air conditioner installations are offered at no cost to you. Making sure your AC is properly repaired and maintained will help keep your AC running efficiently.

Call our O'Fallon team for:
  • All AC repairs for every make and model
  • Same-day service with a two-hour service window
  • Special offers for O’Fallon AC repairs
  • Veteran, military, and senior discounts
  • Affordable rates and upfront pricing

We Make Sure to Leave Your Home Like We Found It

Once your repair is completed and comfort restored, our Fairview Heights & O'Fallon AC repair technicians will leave your home just as we found it—and often better. We take pride in making sure that your home stays as beautiful as it was when we arrived, cleaning up after themselves and treating your property with respect. Check out our annual service membership and start enjoying the benefits!

For immediate assistance with AC repairs in O’Fallon and surrounding areas, call the pros at Heritage Heating & Cooling at (618) 649-0056.

Go With The Best

  • 100% Customer Satisfaction Guaranteed
  • Free Estimates on New Equipment
  • EPA Certified Technicians
  • 0% Interest Financing For 60 Months
  • After Hours Service Available
  • Military/Veteran, & Senior Discounts

Rave Reviews

Our Customers Love Us
  • A quality product installed and maintained by quality people!

    “Heritage installed a high efficiency American Standard heating/cooling replacement unit about 18 months ago. They did an excellent job. They have performed a Fall/Winter and a Spring/Summer inspection ...”

    - Andrew Allan
  • Awesome

    “Awesome service and professionalism. Best response I've ever been privileged to experience. From the quick call back to the quick response and the superior service provided by the techs, it's ...”

    - Charles T
  • No One Else Even Comes Close

    “I highly recommend Heritage Heating & Cooling. We called them on Wednesday night at 8:30 and by Friday morning at 11:30 they were done installing a brand new American Standard, 5-ton, 16 SEER, two ...”

    - Terry Holley
  • Customer focused, professional - not about the $.

    “Heritage installed an HVAC 18 months ago. Very professional and answered all my questions. I recently had another company service (because I had an existing agreement) and they stated all kind of ...”

    - Ed
  • $150 annual maintenance agreement

    “Very courteous and professional.”

    - A/C tune up