Air Conditioning We've Mastered the Craft of HVAC

Air Conditioning Services in O'Fallon

Providing Top-Quality AC Services

Whether you’re in need of installation, repair, replacement, or general service, Heritage Heating & Cooling can assist you with any air conditioning issue you are experiencing. We offer a range of AC services so you can stay comfortable and cool, year-round.

No matter the type of AC repair you , you can count on us for quick, quality work and polite, professional service. We provide prompt and reliable services in O'Fallon and the surrounding areas.

Get started with your O’Fallon air conditioning service—contact us today at (618) 649-0056!

Quality Service You Can Count On

With our AC replacement and repair team, we’re committed to providing you with a stress-free experience. No matter how complicated your O'Fallon air conditioner repair needs may be, our skilled technicians will get right to work to make sure your home is comfortable in no time.

We provide the following AC services:

With our expert heating and cooling services in O'Fallon, you can also expect these professional values:

  • Completed satisfaction with the quality of our work
  • Honest, straight forward pricing for all our services
  • Flexible financing options and discounts available
  • Friendly & professional service technicians
  • Service on any make and model of HVAC equipment

Our AC replacement & repair team are fully licensed, bonded, insured, and EPA certified. We know that letting a stranger into your home can be a bit worrying, which is why we carry out extensive background and drug checks on all of our specialists to offer you greater peace of mind.

When you need air conditioner repair, routine maintenance, or new AC installation in O'Fallon, you can count on us. We maintain a 100% customer satisfaction rating with American Standard as the only Authorized Customer Care Dealer in the Metro East.

Looking for cooling services in O’Fallon? Call Heritage Heating & Cooling at (618) 649-0056 or use our online form today!

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