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39 Years
experience
Emergency
services
Your Trusted HVAC Partner in Chesterfield, MO
Fresh Air Heating & Cooling has been a trusted name in HVAC services since 1987, founded on the principle that happy customers lead to a successful business. Our family-owned company combines decades of hands-on experience with industry-leading certifications, including NCI and NATE-certified technicians who undergo rigorous training and OSHA safety protocols. We maintain an A rating with the BBB and have earned the Angie's List Super Service Award for 10 consecutive years, reflecting our commitment to excellence.

Our team prioritizes transparency, offering competitive pricing without commission-driven recommendations, and guarantees 100% satisfaction through follow-up care. With 24/7 emergency service and a 5-year labor warranty on Carrier equipment, we ensure year-round comfort for St. Louis County and St. Charles County residents while actively giving back through community programs like Pay It Fresh and Friends of Kids with Cancer.
Services
Air Conditioning Furnace Repair HVAC Installation Ductless Systems Heat Pumps Smart Thermostats Maintenance Programs Indoor Air Quality Water Heater Services Emergency Repairs
Details
  • Year established: 1987
Highlights and features
  • Family-owned since 1987 with 30+ years of local expertise
  • Technicians hold NCI and NATE certifications for excellence
  • 24/7 emergency service with same-day appointment availability
  • 1-year repair warranty and 5-year labor warranty on Carrier equipment
  • Award-winning service with 10 consecutive Angie's List Super Service Awards
Associations and certifications
  • BBB
  • NCI
  • NATE
What people say
Timely service Expert technicians Reliable solutions Community involvement 100% satisfaction guarantee
Services
HVAC Installation
We specialize in precise HVAC system installations, including central air conditioners, furnaces, and heat pumps. Our technicians ensure proper sizing and integration for optimal efficiency and comfort. With Carrier Presidents Award recognition, we deliver durable, energy-efficient solutions tailored to your home's needs.
Ductless Systems
Our NATE-certified team installs ductless mini-split systems for homes without existing ductwork. These zoned solutions offer independent temperature control in multiple rooms while improving energy efficiency. We handle complete system setup, including outdoor unit placement and indoor blower installation.
Furnace Repair
We provide urgent furnace repairs with same-day service availability. Our technicians diagnose issues like ignition failures, thermostat malfunctions, and airflow problems. Emergency repairs are backed by a 1-year warranty, with preventative maintenance plans to extend system lifespan.
Indoor Air Quality
We install advanced air filtration systems, UV purifiers, and humidity control solutions. Our EPA-registered equipment reduces allergens and pollutants while maintaining optimal moisture levels. Whole-house systems integrate with existing HVAC for improved respiratory health and comfort.
Smart Thermostats
We upgrade systems with Wi-Fi-enabled thermostats like Ecobee models. These devices enable remote temperature control, energy usage tracking, and automated scheduling. Our technicians ensure compatibility with existing HVAC equipment for seamless smart home integration.
Questions
What HVAC services do you offer in Chesterfield, MO?
We provide full-service HVAC solutions including AC repair, furnace installation, ductless systems, heat pumps, smart thermostats, maintenance programs, and emergency services.
Are your technicians certified and trained?
All technicians are NCI and NATE-certified, OSHA-trained, and licensed with ongoing professional development to maintain industry standards.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency service with same-day appointments available for urgent heating and cooling needs.
What financing options are available?
We offer Wells Fargo and Green Sky financing programs for HVAC replacements and major repairs with flexible payment terms.
What warranties do you provide?
We offer a 1-year warranty on all repairs and a 5-year labor warranty on new Carrier equipment installations.
How can I join your maintenance program?
Contact us to enroll in Premier or Silver membership levels featuring bi-annual tune-ups, repair discounts, and priority service scheduling.
Videos
Reviews (7)
Mike Unland
Dec 31, 2021 Report
Positive:Professionalism,Responsiveness
Dan was polite and knowledgeable, coldest day of the year and I had no heat, here by 10:30 am, offered services but no pressure
Service:Repair heating system
Jason Cooksey
Dec 01, 2021 Report
An extremely professional and very knowledgeable tech named Jeff came over to diagnose the situation with my heating system. He took the time to show me the problem, what caused it, how to fix it and how to mitigate it moving forward. I will absolutely continue to use them for my future HVAC needs including an annual maintenance plan. I would also refer them to family and friends.
Charles Younger
Nov 30, 2021 Report
My scheduled appointment was 8-9am. The technician, Mr. Howard Wallace arrived promptly at 8:00am. He was wearing a mask and began checking out Furnance. He appeared to be doing a very professional job. He was very helpful in explaining what he had done and recommended future services that might be needed. I would like to use this technician for future services as needed.
Mahesh Addagarla
Nov 19, 2021 Report
Positive:Professionalism,Value
Awesome work, Randy! You took the time to explain about our furnaces current status and recommended solutions to reduce dust accumulation in our house. Thanks so much for the furnace tune up.
Service:Heating maintenance
Val Gerst
Nov 17, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Fresh Air installed our heating and cooling system several years ago and has provided excellent service in maintaining the system ever since. I would highly recommend the company to anyone. The technicians are wonderful to work with, as well.
Service:Heating maintenance
Yvonne Kirkpatrick
Sep 22, 2021 Report
Jeff is thorough, knowledgeable and friendly. When Jeff arrives, always on time, it is as if an old family friend has arrived. Our dog, Izzi, adores him. Today as always, when Jeff worked on the furnace, he brought us up to date with what he was doing and demonstrated a repair that needed attention and why. We have the utmost confidence in Fresh Air Heating & Cooling and especially in Jeff. Thank you and take care.
Respectfully,
Ron and Yvonne Kirkpatrick
Dennis Hummel
Aug 23, 2021 Report
We have had Fresh Air do our furnace and AC service for a number of years. Always professional, on time and very responsive. They do excellent work and make recommendations when there are opportunities for us to take advantage of new services or technology. Never pushy, just matter of fact. Love Mike Bommarito! We always request him as he embodies all of the great things we like about Fresh Air. Highly recommend them!!