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Serving St. Louis County and St. Charles County


Serving St. Louis County and St. Charles County

Just a little note with a big thank you to your great customer service company.

- Mary M, Ballwin

After using several different heating and cooling companies without satisfaction our neighbor referred us to you. We have been very satisfied ever since.

- Andrew, Pacific

We’ve used Fresh Air for over 20 years!! Each year we purchase the service plan and it gives us a feeling of security to know they will be here.

- antique46

Steve has been our service technician and extremely pleased with his work ethic and his ability to correct all issues with our geothermal system.

- Ron and Jo Ann W, St. Louis

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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.

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Why Choose Fresh Air?

The Fresh-Air Technicians and Installers

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  • 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
  • Our Technicians are payed on an hourly rate, not commission. Their recommendations are in your best interest!
  • We guarantee 100% satisfaction
  • Carrier Factory Authorized Dealer
  • 2018 President's Award
  • Angie's List 2018 Super Service Award
  • BBB
Serving St. Louis County and St. Charles County

Even great air conditioners can fail to impress. How is that possible? When great equipment is paired with subpar service. With our HVAC technicians on the job, you won’t have to worry about that. Every job we do, from AC repairs to routine maintenance and new installations, are done right every step of the way.

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Don’t let the coldest temperatures of the year catch you off-guard when the heating season hits. We install and service heat pumps, ductless heating systems, and furnaces. Work with us, and know that your heating services will guarantee your comfort when temperatures really plummet. Our HVAC technicians know these heaters inside and out.

Learn More About Heating

Maintaining great indoor air quality in Chesterfield, MO is every bit as important as maintaining comfortable temperatures. That is why we offer a number of great indoor air quality services, and we install systems including air filters, air purifiers, humidifiers, dehumidifiers, ERVs, and HRVs. Let us help you to breathe cleaner air in your home.

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Why should you join our maintenance program? We offer great flexibility for any budget, with a Bronze, Silver, Gold, and Platinum membership level. Not only do you enjoy the peace of mind that comes with routine maintenance, but you’ll enjoy discounts on repairs, rebates, priority service, maintenance every 6 months, and more!

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Fresh Air News

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3 Warning Signs of a Furnace Emergency

Make sure that you watch out for these signs of a furnace emergency in your home. If you notice any of these problems, it's time for you to schedule an appointment with our professionals.

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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.

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