Over 40 Years Of HVAC Service Excellence In St. Charles
Exceptional customer satisfaction starts with trust. That’s why over 50,000 homeowners in the St. Charles, MO and surrounding West County areas choose Jerry Kelly Heating & Air Conditioning for their heating, air conditioning and indoor air quality solutions.

Besides award-winning home comfort services, we offer:
- A highly-skilled workforce with expert knowledge.
- Reliable, flexible scheduling.
- Access to our services year-round.
- Prioritized customer interactions in everything we do.
We’re dedicated to delivering you 100% satisfaction with every HVAC replacement, repair or maintenance job. Visit our resources page to find out what St. Charles, MO homeowners have said about our air conditioning, heating and indoor air quality services over the years, and why we continuously strive to “simply make it work.”
Give us a call at 636-757-8506 to schedule HVAC service in St. Charles today!
“The HVAC service technician from Jerry Kelly was very professional and helpful. As a senior living alone I appreciated his tutorial on a few things about my furnace and humdifier.”
Naes – Saint Charles, MO
Local Reviews
for St Charles, MO
AC Servicing
steve - St Charles, MO
Bryan did a great job for us, very professional.




Graham was on time and explained everything to my satisfaction.
Weber - St Charles, MO




Wonderful service
June - St Charles, MO
Bryan is courteous, friendly and very knowledgeable. I trust him to do the work right.




Great Performance
James - St Charles, MO
Your Crew did an excellent job of furnace replacement in one day.




Excellent
Troxel - St Charles, MO




Great service, very timely and friendly.
barry - St Charles, MO
I think the pricing was a bit higher than my research, the installation was excellent and timely.




Great service,Very helpful information, went above & beyond what they contracted for
Jmpinpat - St Charles, MO
I am very pleased with the work they did, their work ethics and helped me beyond what they had contracted to do.




Great in everyway.
bruce - St Charles, MO
Always a pleasure.




Great service
Mrs - St Charles, MO
seemed proficient




Graham B Review
Earl - St Charles, MO
Graham did a very complete check of our air and heating system. He was on time and very polite. A great reflection on his company.




Jane
verble - St Charles, MO




Mike
mike - St Charles, MO
Brian was great




Great Service
June - St Charles, MO




Great service - Mike is what all other servicemen should be like - the best.
david - St Charles, MO




Home owner
mike - St Charles, MO
Quick & to point




Friendly, Great Service!
Lammert - St Charles, MO




as always great service
Cynthia - St Charles, MO




Excellent and Professional Service
Ed - St Charles, MO
Michael represents Jerry Kelly Heating and Air Conditioning exactly the way we believe Jerry Kelly hopes. Efficient. Professional. Polite. Does the job thoroughly and explains what is being done and why it is important.




Excellent Service
marilyn - St Charles, MO
I'm very happy with the service John provided.




Excellent
Vernon - St Charles, MO
Great service as always!!!




great service
Briscoe - St Charles, MO




Great helpful service
Suchocki - St Charles, MO
Friendly knowledgable and accomodating




Great Service, Eric is very polite , answered any questions we had. John was also very nice.
Lynden & Katherine - St Charles, MO
We have been with Kelly's for about 8 or 9 years. We have always enjoyed having your company do all the work on our furnace, humidifier and hot water heater. Thank you for great service.




Very thorough, great service!
Kathleen - St Charles, MO
Steve was very professional and answered all of my questions ...great service!




great job
Steve - St Charles, MO
Always a great job




Graham B.
Replacing a broken run capacitor on an Armstrong furnace.
Ronan w.
Repairing an air conditioner that has a freon leak

Tom T.
Repairing a broken York furnace

Bryan J.
Cleaning a stopped up drain line on a trane

Bryan J.
Mc tune up to ensure proper operation and unit is clean and to spec

Robert K.
Install new high-efficiency furnace and air conditioner Jerry Kelly Emerald

Bryan J.
Replacing a drain pan

Shane F.
Replacing a malfunctioning transformer on an Arcoaire furnace

Lonnie L.
Performing a tune up for a Jerry Kelly customer

John W.
Replacing a broken ignitor on an American Standard furnace
Graham B.
Cleaning and maintaining a Weatherking furnace.
Jim b.
Furnace Repair
Kevin A.
Servicing a Jerry Kelly Emerald furnace for proper operation and to help lower utility bills.
Andy B.
Install new jerry kelly humidifier
Will L.
Performing a heat tune up and cleaning on a Jerry Kelly Emerald gas furnace with humidifier service

Damion O.
Servicing a furnace that has malfunctioned.

Doug M.
Install a Jerry Kelly Emerald heating and cooling system
Mike F.
Servicing a Jerry Kelly Emerald furnace to ensure proper operation and lower utility bills.

Bryan J.
Mc tune up to ensure proper operation and unit is clean and to spec.
Kevin A.
Servicing a Jerry Kelly Emerald furnace for proper operation and to help lower utility bills.
Ben S.
Performed precision furnace tune up to ensure that the system is safe and operating at manufacturers specs.

Jason T.
Servicing a furnace to ensure proper operation and help lower utility bills.
Kevin A.
Servicing a Jerry Kelly Emerald furnace for proper operation and to help lower utility bills.
Jeff T.
Servicing a Jerry Kelly Emerald furnace to ensure proper operation and lower utility bills.