heating repair


ac repair

Air Conditioning

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HVAC Services Including AC Repair, Heating & More in St. Louis County and St. Charles County, MO

Every call from our clients presents an opportunity to demonstrate our commitment to exceptional HVAC service. To maintain high levels of customer satisfaction, we strive to resolve every problem in just one visit and to exceed our customers’ expectations. We are able to do this by:

  • Employing knowledgeable and experienced service technicians
  • Offering relevant services
  • Providing honest advice and solutions
  • Keeping abreast of all trends in the HVAC industry
  • Making continuous learning a standard for all service staff
  • Making customer satisfaction a company-wide philosophy
  • Being professional at all times

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.

Trane certified ac installation


Call Today! (314) 328-0437


Your Local Heating and Air Conditioning Repair Contractor

We provide AC repair and HVAC equipment to help you manage indoor temperature and air quality. When you own a home or have rental properties, air conditioning needs can take more of your time and money than you would like.

When you need air conditioning service, 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 in good time.

Contact us today to schedule an appointment (314) 328-0437Wells Fargo financing banner

Areas We Serve
Clarkson Valley
Creve Coeur
Dardenne Prairie
Des Peres
Grantwood Village
Lake St. Louis
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

St. Louis’s HVAC Pros

angies list super service 2016
BBB A+ rating
trane comfort specialist

Why Choose Averill Heating & Air Conditioning?

NATE certified St Louis

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.

emergency ac repair

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.

better business bureau

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.


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.


  • “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

    S. S
  • “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”

     J. V from St. Louis, MO

    J. V
  • “Great service as usual from Averill. Have used them for 25-30 years. Placed service call due to no heat. Jack Farley from Averill was here within the hour. He was so nice, professional, clean, quick. Got a new thermostat. I always recommend Averill to my friends and family.”

    – J . N from St. Louis, MO

    J. N

Our Latest Articles

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A well-maintained HVAC system has a lot more to offer than one that's limping along due to neglect. More importantly, it can prevent the accumulation of costly repairs. Here are four reasons residents in St. Louis, Missouri, should invest in an HVAC maintenance plan:...

3 Great Benefits of Investing in a Ductless Mini-Split System

Choosing the right system to heat your home in St. Louis, Missouri, is a big decision. One of the newer options many homeowners are opting for is a ductless mini-split system. Here are three great benefits that come with investing in a ductless mini-split system: The...

Contact Averill Heating & Air Conditioning

We want to be your trusted partner in the Greater St. Louis area. Contact Averill Heating & Air Conditioning to schedule your emergency heating or air conditioning repair, service check, or free estimate for a new installation.

Request Service Today