Call Now
Website
Call
Business Details
39 Years
experience
Emergency
services
Trusted HVAC Services in Chesterfield, MO
Fresh Air Heating & Cooling has been a trusted HVAC service provider in Chesterfield, MO since 1987. Founded by Mike and Meg Sinn, our family-owned business 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, demonstrating our commitment to excellence. Our 24/7 service model ensures emergency assistance with same-day appointments available, backed by comprehensive warranties including 1-year repair coverage and 5-year labor protection for Carrier equipment.

Through our Pay It Fresh community initiative, we donate $10 per installation to Kids with Cancer and provide over 60,000 in charitable contributions annually. Our technical expertise spans AC replacement, furnace repair, ductless systems, and indoor air quality solutions, supported by specialized maintenance programs that include bi-annual precision tune-ups and priority service scheduling. We guarantee 100% customer satisfaction through transparent pricing structures and commission-free technician recommendations that prioritize client needs over sales incentives.
Services
AC Replacement Furnace Repair Ductless Systems Heat Pump Installation Indoor Air Quality Maintenance Programs Water Heater Services Smart Thermostats Emergency HVAC System Diagnostics
Details
  • Year established: 1987
Highlights and features
  • 38 years of local HVAC expertise since 1987
  • NCI and NATE-certified technicians with OSHA training
  • 24/7 emergency service with same-day appointments
  • 100% satisfaction guarantee on all HVAC work
  • Community involvement through Kids with Cancer donations
Associations and certifications
  • NCI
  • NATE
What people say
Professional technicians Prompt service Reliable repairs Competitive pricing Expert installation
Services
AC Repair
Our certified technicians provide comprehensive air conditioning repair services for central AC, ductless systems, and heat pumps. We diagnose and fix refrigerant leaks, compressor issues, and electrical problems while maintaining system efficiency. With same-day service availability and 24/7 emergency response, we ensure minimal disruption to home comfort. Our repairs come with a 1-year warranty and include thorough system diagnostics to prevent future issues.
Furnace Installation
We specialize in furnace replacement and installation for gas and electric systems. Our NATE-certified technicians properly size equipment and ensure efficient integration with existing ductwork. We offer Carrier brand furnaces with 5-year labor warranties and provide detailed system operation guidance. Our installation process includes safety checks, efficiency testing, and complete system commissioning to guarantee optimal winter performance.
Ductless Systems
Our ductless HVAC solutions provide zoned temperature control for homes without traditional ductwork. We install and service wall-mounted mini-split systems that offer both heating and cooling capabilities. Our technicians ensure proper outdoor unit placement and indoor blower installation for maximum efficiency. We also provide maintenance and repair services to maintain system performance and longevity for these energy-efficient solutions.
Heat Pumps
We offer heat pump installation and repair services that provide both cooling and heating capabilities. Our technicians properly size systems and install reversing valves for seasonal operation. We service both ducted and ductless models while maintaining energy efficiency. Our maintenance programs help extend system lifespan and include refrigerant level checks, coil cleaning, and electrical component inspections to ensure year-round reliability.
Indoor Air Quality
Our IAQ solutions include air filtration systems, UV purifiers, and humidity control equipment. We install whole-house systems that remove allergens, pollutants, and biological contaminants from residential environments. Our technicians recommend appropriate solutions based on specific air quality concerns and provide professional installation services. We also offer maintenance programs that include filter replacements and system cleaning to maintain optimal indoor air conditions.
People
Mike Sinn
Founder
Mike Sinn co-founded Fresh Air Heating & Cooling in 1987, establishing the company's commitment to family values and customer satisfaction. He developed the business's core principles that continue guiding operations today.
Meg Sinn
Co-Founder
Meg Sinn helped establish Fresh Air Heating & Cooling's community-focused approach alongside her husband Mike. Their family values continue shaping the company's customer service philosophy and community involvement initiatives.
Questions
What HVAC services do you offer in Chesterfield, MO?
We provide AC repair, furnace installation, ductless systems, heat pumps, indoor air quality solutions, and water heater services with 24/7 emergency availability.
Are your technicians certified and trained?
All our technicians are NCI and NATE-certified with OSHA safety training and ongoing professional development to maintain industry-leading standards.
Do you offer maintenance programs?
Yes, we offer Premier and Silver maintenance plans with bi-annual tune-ups, priority service scheduling, and exclusive member discounts on parts and labor.
What financing options are available?
We partner with Wells Fargo and Green Sky to offer financing solutions for HVAC equipment replacements and major system upgrades.
How quickly can you respond to HVAC emergencies?
Our emergency service team responds within 2 hours for critical HVAC failures during regular business hours and maintains after-hours availability.
What areas do you service?
We serve all of St. Louis County and St. Charles County including Chesterfield, Ballwin, O'Fallon, and surrounding communities.
Videos
Reviews (6)
Mike Clements
Jun 15, 2022 Report
I've been a customer of Fresh Air for many years. They sell high quality equipment (my current furnace and AC units were both purchased and installed through them) and provide outstanding service (their annual maintenance program is a great deal that keeps the equipment in top working order). Their technicians are alway courteous, knowledgeable, and conscientious about keeping my home and the work area clean.
Myron Berger
Jun 07, 2022 Report
I am so happy we chose your company, your employees are great. Knowledgeable, courteous, respectful, and efficient. I will recommend your company to all our neighbors as our property is 28years old. We could not be happier, Services: Heating equipment repair & installation, Install thermostat, Heating system installation, Thermostat installation, HVAC duct & vent installation
Vinod Jakkula
May 28, 2022 Report
I had some connection issues with my thermostat. Called Fresh air heating and cooling, Sarah from the office was super nice and able to accommodate an appointment on the same day. Nick came and fixed the issue. He was very professional, kind enough to address my questions. Highly recommend! Service: Thermostat repair
Diane Jacques-Sollecito
May 23, 2022 Report
The company, Fresh Air, was extremely accommodating and were able to give us same day service to repair our a/c system, which was sorely needed in the middle of a heat wave! The technician was very courteous, explained in detail what repair was necessary and why. Prompt friendly service at a very reasonable price. I highly recommend Fresh Air and plan to utilize them for all our HVAC needs in the future.
Tracy Williams
May 14, 2022 Report
We used Fresh Air to diagnose why our A/C unit was no longer cooling. They were extremely responsive and had a tech come out right away. This was particularly appreciated since it was a Friday evening and they were the only HVAC company to respond. Our tech Brad was very kind, professional, quickly diagnosed a Freon leak; he added more Freon and was on his way in no time. Problem effectively resolved! We were very impressed with Fresh Air's service and won't hesitate to use and refer them again!
Rob Peglar
May 07, 2022 Report
Fresh Air did a preventative maintenance service on my A/C units. Very good job, thorough, on time and on price. I will use them again. Service: HVAC system maintenance