Complete HVAC Sales and Repair Services Since 1970

furnace repairWhen it comes to heating & cooling repair services in St. Louis and St. Charles Counties, AAA Home Services is the best in the business.  AAA Home Services has received an A+ rating with the BBB, Angie’s List and the Chamber of Commerce.  If you need furnace and air conditioning installation, we offer both same-day and next-day replacement services.

AAA Home Services can also provide you with the yearly HVAC repair and maintenance calls as well as the tune-ups you need with our club membership, and we provide all of our customers with a 100% satisfaction guaranteed promise.

Call AAA, We’re On Our Way!

We offer award winning, authorized service for the following brands:
  • Goodman
  • York
  • American Standard
  • Intertherm
  • Mitsubishi
  • Comfortmaker
  • Coleman
  • Fujitsu Mini Splits
  • Janitrol
  • Amana


Whether you have gas or electric heating, heating systems are more complex than you think. AAA Home Service’s award-winning technicians can remove or install heater units of all types. In addition to servicing your central heating system, we can also provide you with furnace installation and furnace replacement services. AAA Home Services offers same-day and next-day services for heaters, and we were voted by Consumers Best Service Company six years in a row. We are so confident we can fix any heating problem that we give all our customers a 100-percent satisfaction guaranteed promise as well as a free estimate on replacements.

We also offer award winning service on the following brands:

  • Bryant
  • Rheem
  • Trane
  • Ruud
  • Carrier
  • Lennox​


So, when exactly should you replace your residential or commercial system? Consider replacing cooling systems if:

  • Your repairs exceed 50 percent of the price of a new systemAir Conditioner Service
  • Tax credits are offered
  • Your system features old, outdated technology
  • Your current model is not energy-efficient

If we determine it’s time to replace your unit, AAA will apply the service repair call charge to the price of the new unit you purchase from us.  This is truly unique in our industry.  We have a customer service approach and have since 1970!

Call AAA, We’re On Our Way!

John Killian

John Killian

HVAC Manager

My name is John Killian and I have been the HVAC Sales Manager at AAA Home Services for the last 10 years. With 22 years’ experience in the HVAC industry, I have been a service tech and a sales manager for all makes and models and have installed complete heating and air conditioner systemin all types of homes. My team at AAA Home Services consists of 10 technicians ready to serve our customers each day. From routine maintenance, to emergency repair work to new system installs, my team can do any job for you the homeowner. My team and I receive on-going training on the latest technology for the HVAC industry. We sell the latest technology on indoor air quality products and thermostats.

When I’m not working, I enjoy spending time with my family, my wife Sherry of 23 years and my 3 children, Victoria, Joshua and Jessica.

I also enjoy playing golf when I get the chance.

I look forward to serving you and your family is the very near future. 

Generations of Family Business

Customers Since 1970

Expert Technicians

Service Calls/Day

Home Repair Services in St. Louis County in addition to St. Charles, Lincoln, Warren and Jefferson.

county mapsWe serve the following cities and surrounding areas in these counties:

St. Louis, Florissant, Chesterfield, Fenton, St. Charles, Lemay, Overland, Manchester, Valley Park, O'Fallon, University City, Bridgeton, Wildwood, Arnold, St. Peters, Mehlville, Jennings, Troy, Creve Coeur, Hazelwood, Town and Country, Imperial, Wentzville, Clayton, Spanish Lake, Ellisville, Lake St. Louis, Oakville, Ferguson, Ballwin, Cottleville, Concord, St. Ann, Pacific, Dardenne, Affton, Bellefontaine Neighbors, Eureka, Weldon Spring, Maryland Heights, Berkeley, Foley, Kirkwood, Winfield, Webster Groves, Old Monroe, Crestwood, St. Paul, Richmond Heights, Josephville, Maplewood, Chain of Rocks, Olivette, Augusta, Ladue, New Melle, Frontenac, Moscow Mills, Sunset Hills, Fountain Lakes, Brentwood, Innsbrook, Shrewsbury, Wright City, Glendale, Warrenton, Rock Hill, Foristell, Des Peres, Orchard Farm, Hamburg, Earth City, Hawk Point.