Spring is approaching, schedule a maintenance check-up with us today!

We install, maintain, and repair heating and cooling systems all over Jefferson County, MO.

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An HVAC Company You Can Trust

Customers from all over Jefferson County, Missouri trust us to install, service, and repair the air conditioners and furnaces.

Read some of our customer testimonials ⟩

Licensed · Bonded · Insured

We're heating and cooling experts.

Complete Caire Heating & Air Conditioning has more than 20 years of heating and cooling experience. We repair any kind of HVAC system, including furnaces and air conditioners. We also install a wide variety of indoor air quality and disinfectant systems, which are more important now than ever.

We offer 24/7 emergency HVAC repairs in all of Jefferson County, Missouri. 

Ask about our First Responders Specials!

We thank ALL firefighters, police officers, EMTs and military!

Contact us today to learn more about these specials ❯

I recommend this company to my friends and they haven’t failed me yet. Would not hesitate to use them again. Rob Y.

Did you know you could get a cash-back when you upgrade your furnace or air conditioner?

Save money when you upgrade your home's HVAC system by getting a cash-back rebate from Ameren when you choose Complete Caire Heating and Air Conditioning to complete the installation.

Learn more on Ameren's website ⟩

We only install the highest quality equipment.

Trust us to only install the highest quality and cost effective heating and cooling equipment. We use trusted HVAC brands like Heil, Honeywell, and White-Rodgers.

Interested in financing your new air conditioner or furnace?

We partner with FTL Finance to offer ridiculously easy home improvement financing options.

Learn more at FTL Finance's website ⟩

We serve all of Jefferson County, Missouri.

We offer air conditioning and heating service to communities in Jefferson County, Missouri, including: Barnhart, Imperial, Arnold, Festus, Pevely, Herculaneum, Crystal City, DeSoto, and Hillsboro.