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Emergency Services are Available 24/7!

  • We’re a Customer Service Company That Just Happens to do heating & cooling

    We’ve Been Leaders in the HVAC Industry Since 1977

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  • We’re Open 8am-8pm, 8 Days a Week!

    Nope, That’s Not a Typo!

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  • We partner with the Alzheimer’s Association

    A Portion of Each of Our Service Calls Goes to the Alzheimer’s Association.

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St. Charles Heating & Cooling Services

Missouri’s Trusted HVAC Choice Since 1977

Since 1977, Jerry Kelly Heating & Air Conditioning has been committed to delivering top notch HVAC installations, repairs, and maintenance services, while never sacrificing customer experience or satisfaction. When the brutal winter and summer months hit our Midwest town, you want to be sure you can turn to your heating and air conditioning systems to provide the indoor comfort you need, and Jerry Kelly Heating & Air Conditioning is just the team to establish that reliability.

All of our HVAC specialists are certified by the North American Technician Excellence board, meaning that we are trained to quickly and successfully identify your problem and apply the correct, most cost-efficient solution.

Our Company History

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  • Satisfaction Guaranteed

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Why Choose Jerry Kelly for Your Home Service Needs?

  • ALL of Our Technicians are NATE Certified

  • We’re Here for You 8:00am - 8:00pm

  • We Offer a 12 Month Buy Back Guarantee

  • We'll Never Smoke or Swear in Your Home

  • There is NO Bait & Switch With Our Pricing

  • We Have Been in the Industry Since 1977

  • Clean, Uniformed, and Certified Technicians

  • 100% Client Satisfaction Guaranteed

More Reasons to Choose Us

Active In the Industry and in the Community

What We Do!

Quality Work Meets Unmatched Customer Experience

Jerry Kelly Heating & Air Conditioning is your one-stop shop in St. Charles for installation, replacement, repair, and maintenance of any and every kind of heating and cooling system known to our industry. As HVAC professionals, our team stays up to date on the latest innovations in indoor comfort control such as zone heating and cooling systems, ductless air conditioning, and various types of air filters and purifiers, just to name a few. Our services do not end at comprehensive HVAC knowledge and training; we are available for 24/7 emergency repair to handle your problem and return your home or business to the comfortable space it should be. Don’t brave the Missouri heat and cold alone. Call the experts at Jerry Kelly Heating & Air Conditioning!

Any Service Repair

Excludes trip charge. Cannot be combined with other offers. Not valid on prior purchases.

$ 39 % off

Furnace or Air Conditioning Tune-up!

*Cannot be combined with other offers. Not valid on prior purchases.

$ 89 % off

Jerry Kelly

4631 North St. Peters Parkway Saint Peters, MO 63304 Phone: 636.741.2010 Regular Hours: Monday – Sunday 8:00am - 8:00pm Service Area: We Proudly serve St. Charles & Surrounding Areas View Our Cities We Service

Hear From Our Past Customers!

  • Garrett Girvan These guys are the best!! Great work

  • Dana P Mike F. was very professional and courteous. Explained everything he was going to do and more. Always a great experience with Jerry

  • Edward Koch Hats off to Jerry Kelly for sending Brandyn and Chris to install out new furnace and ac unit. They worked all day and did a great job.

  • Excellent installment/service Thank you for an excellent experience during the installment of our new AC/Furnace! Tom Duncan and team were professional, courteous and skilled. I would highly recommend!

  • Sarge Mike has a professional demeanor and performed the routine furnace check-up. I would recommend Jerry Kelly to all my friends.

  • Richard Lenz The team (Brandyn W., Chris S., Rick L.. Bob K.) provided an excellent installation of a complete heating and cooling system. They performed a complete clean up. The team were most courteous and explained each step of the process. Thanks guys.

  • Robert Matt H. & Ben S. did an exceptional job of removing our old system and installing our whole new HVAC system. Upon arrival they explained exactly what they were going to do and they did it so very efficiently. Both men were very polite, courteous and willing to answer all my questions so that I understood what they were doing. When finished, they explained in detail what we should do to get the most from our new equipment. After they left I looked to see what I needed to clean up and there was NOTHING, they had picked up and cleaned up everything. I could not have been more pleased with the whole experience. Thanks guys

  • Joe Voypick By a tran professional, Tom Duncon

  • RDB Matt came to my home and performed an annual check of the furnace and A/C. Everything was good with the furnace and I felt he had done a good job!

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We Are a Service Company First

We take pride in giving our Customers the Very Best!