Rebates up to $1,000* on a New Trane® System
0% APR for 36 months**
**With approved credit. Call for details.


Save money with one ofour Averill maintenance programs for St. Louis, MO and St. Charles County.

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Averill is now a part of the Classic Aire Care Team. Classic Aire Care shares Averill’s long held values of professionalism and doing the right thing. As a result, your technician may arrive in a different vehicle than expected, but you will receive the same great service you have come to expect.


Every call from our clients presents an opportunity to demonstrate our commitment to exceptional air conditioner and furnace repair, installation and maintenance service. To maintain high levels of customer satisfaction, we strive to complete every furnace and AC repair in just one visit and to exceed our customers’ expectations. We are able to do this by:
Employing knowledgeable and experienced service technicians
Providing honest advice and solutions
Keeping abreast of all trends in the HVAC industry
Offering relevant services
Making continuous learning a standard for all service staff
Making customer satisfaction a company-wide philosophy

We love what we do, but it is even more rewarding when we know our customers are pleased with our service. From routine service to emergency repairs, you are in good hands with Averill Heating & Air Conditioning.

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amp performance hvac program

Your Local Heating and Air Conditioning Repair Contractor

We specialize in AC repair, installation and service as well as furnace repair, installation and service. We offer state-of-the-art HVAC equipment to homeowners in Ballwin, Chesterfield, St. Peters, St. Charles and the surrounding communities around St. Louis. Our goal is to help you manage your home’s indoor temperature and air quality. We accomplish that by performing every AC or furnace repair or installation to a high standard. We also perform AC and furnace maintenance to help you maximize energy efficiency.

Trane HVAC Product Group
Averill Van

Why Choose Averill Heating & Air Conditioning

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We are Nate-Certified, reflecting our commitment to superior HVAC service. Our technicians are also dedicated to excelling in the HVAC field. All our products and services are designed with you in mind.

HVAC Van icon

When you need service right away, we offer same-day service and respond to your emergency so that you don’t have to sacrifice comfort for too long. We provide and use the latest in HVAC technology for accurate and efficient service.

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You can count on us for professional and courteous solutions every time. Our NATE certifications and Air Conditioning Contractors of America (ACCA) and BBB memberships attest to our dedication to outstanding customer service. Give us a call and discover why we’re the contractors of choice in Ballwin and surrounding regions.

Trane TCS icon

Not all Trane dealers are Trane Comfort Specialists. Only the most qualified independent Trane dealers who are committed to being the best in service, installation, customer satisfaction and employee training are awarded this designation. We strive to stay up to date on the latest technology to provide you with excellent service.

Google Review


“Averill heating and cooling did a great job from start to finish. Our new furnace works great and we love the new up to date thermostat. I’m sure our ac unit will work just as well this next summer.”

– S from St. Louis, MO

“New AC and Furnace installed yesterday. Brandon and Chris did a fantastic job, very professional and very friendly. Have used Averill for years. Will continue using them, no complaints.”

– Edward T.

“I was very happy with your serviceman Jack Farley. He was very polite and professional. He checked the entire system and got it ready for winter. I will recommend your company to my friends.”

– S . S from St. Louis, MO

“I met Jack Farley for the first time. He was polite , punctual, and professional. In addition to preparing the system for winter he advised me that I was running too much water through the humidifier and showed me the proper flow. Kudos to Jack Farley, and Averill”

– V from St. Louis, MO

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Angies List 2017
Angies List 2016
BBB A Plus
Trane TCS
NATE Certified

St. Louis’s HVAC Pros

When you need air conditioning or furnce service in Ballwin, Chesterfield, St. Peters, St. Charles or the surrounding communities around St. Louis, we’ve got you covered. Our expert technicians use years of training and specialized equipment to address your HVAC issues. No matter the make or model, we can get you up and running.

Ductless Mini-Split Services

Ductless HVAC systems provide enhanced comfort and high energy efficiency in a multitude of applications. You can install a single unit to heat and cool your new home addition, or you can install multiple units to zone your home. Our technicians specialize in ductless installations, repairs and maintenance.

Indoor Air Quality Services

Maintaining good indoor air quality is vital to protecting your family’s respiratory health. Our team of IAQ experts can detect issues with your home’s air quality and eliminate the threats. We also carry and install a range of effective indoor air quality solutions, including air purifiers, humidifiers, ventilators and UV lamps.

Areas We Serve

Clarkson Valley
Creve Coeur
Dardenne Prairie
Des Peres

Grantwood Village
Lake St. Louis
Maryland Heights

Richmond Heights
Rock Hill
St. Ann
St. Charles City
St. Charles County
St. John
St. Louis County
St. Peters

Sunset Hills
Town And Country
Twin Oaks
University City
Valley Park
Warson Woods
Weldon Springs
Woodson Terrace

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