Now 5 years later, they still service the same units and have kept them in great shape! I can’t say enough good things!

- OSH2518

He also went out of his way to greet and pet our elderly dog who instantly liked him. I highly recommend Fresh Air Heating and Cooling.

- momscout

I didn’t come across anyone who had anything but accolades for them. I’m very happy with not only their service but their expanded regular rate business hours.

- mygrlz123

No muss, no fuss, no problems, no regrets. Only surprise was a visit from Mike Sinn, the owner who wanted to check out the installation personally.

- bkflomo

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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Spotting the Need for AC Repairs

Because sooner is always much better than later when it comes to such repairs, we aim to help you learn to spot the signs that AC repair is necessary.