The technician was excellent. He was very polite and friendly. He was very helpful and informative. We’ll definitely look forward to his return.

- Bridget C, Ballwin

Had them come out several years for maintenance; did a great job; We love the new system. It works great and got a fair price. We highly recommend them.

- johsch

He took the time to explain the problem in terms that I could understand. He went out of his way to make sure that we would have a problem free Thanksgiving.

- Kathy M, St. Louis

Immediately, I called my friends and shared my experience with them and they too are going to ask for Chris. JOB WELL DONE!

- E.B.L

HVAC and Indoor Air Quality Services in Chesterfield, MO

Fresh Air Heating & Cooling is a family owned and operated HVAC and indoor air quality service contractor, and has been since its founding in 1987. We are open 7am–7pm, 7 days a week. We hold an A rating on BBB, and have won the Angie’s List Super Service Award 10 years in a row. All of our technicians and installers are:

NCI certified
NATE certified
Licensed
OSHA trained

Our team works hard to ensure that our customers are taken care of, from the first phone call to the completion of the service. We offer a 1-year warranty on all repairs, and a 5-year labor warranty on new Carrier equipment installed. Like our founders (and current owners’ parents) always said, happy customers lead to a successful business.

Bring Fresh Air into Your Home Today.

How can we help?

The Fresh-Air Technicians and Installers

Learn More About Us

We provide competitive rates while providing excellent service
Our staff undergo rigorous training & continuing education
We always answer the phone in person, 24/7
Our Technicians hold the latest certifications in excellence & safety
We always arrive on time and respect your schedule
We ensure satisfaction through follow-ups
Our Technicians are payed on an hourly rate, not commission. Their recommendations are in your best interest!
We guarantee 100% satisfaction

Clean

Courteous

Qualified

Certified

Serving St. Louis County and St. Charles County

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Need Heating Repairs? Wasting Time Can Cost You Big Time!

When you need heating repairs in O'Fallon, MO, you need to act fast. Delaying in scheduling your heating repairs is only going to cost you more in the long run.