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R410A Refrigerant: What's Next

Learn about industry changes to air conditioner refrigerant and what St. Louis County homeowners can expect after the R22 refrigerant phase out. Read more!

What Is A SEER Rating?

It's one of the most important factors you should take into account when you're choosing a unit. So what is a SEER rating and what does it mean?

Preventative Maintenance Benefits

Spring snuck up on us a little early this year in the St. Louis area, which is all the more reason to start getting ready for the cooling season! Get the tips!

Jerry Kelly Helps Family in Need
Last fall, the family discovered that bad air quality in their home was causing Lizzy to get constantly sick. When Jerry Kelly heard about it, they did more than offer sympathy. They drew upon their expertise, and took action.
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Yes, Virginia, There are Polite Technicians
I had just about given up on seeing clean cut, polite technicians and installers in our industry. Many people say they don't exist. Learn More >>

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O'Fallon man feels lucky to be alive
Vincent Celano said he felt lucky to be alive after recovering from carbon monoxide poisoning. Emergency crews rescued Celano, 54, after he passed out in his O'Fallon home. Celano spent the night at St. Luke's in Chesterfield.
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Family, strangers make a difference
Dale Franklin never thought the simple ringing of a bell would sound so good. But when Dale and Belinda Franklin's daughter, 6-year-old Izzy, rang a bell in early February to signal the end of her chemotherapy, the tone also signaled a new chapter for the family.
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St Charles Heating & Air Conditiong Specialists

Jerry Kelly Heating & Air Conditioning: Your St Charles AC Repair & Installation Contractor

Check Out The Latest On The Jerry Kelly Blog
What Will Happen If I Don’t Get a Furnace Tune-Up?

Around this time of year, we talk a lot about the importance of getting your annual furnace tune-up. But if you’re unfamiliar with furnace tune-ups, you might be wondering whether or not it’s necessary to get one every year. Today we’re going to help you understand why furnace tune-ups are so valuable by answering the [...]

Friday 17th October, 2014 READ MORE >>
Avoid These 4 Furnace Buying Mistakes When You’re Looking for a New Heating System

Are you in the market for a new furnace? This can be quite a daunting process! There are many different furnaces to choose from, and the system you select (as well as the contractor you work with for the installation) can have a big impact on your home’s comfort and efficiency levels for years to [...]

Wednesday 15th October, 2014 READ MORE >>
Do I Need a Furnace Humidifier? Answers for St. Louis Area Homeowners

Your furnace is responsible for keeping your home warm, but it does not do anything to address your indoor humidity levels. And with the cold and dry winters that we have here in the St. Louis area, that can be very problematic. Although it’s not required to install a humidifier in your home, it’s definitely [...]

Friday 10th October, 2014 READ MORE >>
Carbon Monoxide Detector Features: What to Look for in a New Unit

In order to keep your home safe, especially during the heating season, it’s critical that you have carbon monoxide detectors installed in all of the right places in your home. When it comes time to replace an old CO detector, you’ll quickly find out that there are many different options to choose from. Today we’re going [...]

Wednesday 8th October, 2014 READ MORE >>
Why Regular Maintenance Is So Important To Your Cooling System

What is Sick House Syndrome and Why Should St. Louis Homeowners Know About It?
Although Mother Nature has its own way of cleaning the air outside, the same can't be said for our homes. In fact, over the past 30-40 years, our homes have become more and more susceptible to polluted air — a phenomenon known as sick house syndrome.

So what is sick house syndrome and how can you protect your family from its harmful effects?
Learn More >>

What is a Home Air Cleaner and How is it Different Than a Filter?
Many St. Louis area homeowners are familiar with air filters and how they help protect your furnace from airborne particles. But did you know you have another option for protecting your furnace that also helps keep your family healthy? It's called a home air cleaner, and it's a great way to improve the air quality in your home.
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Gas Furnace Maintenance Tips for St. Louis Area Homeowners
Now that we've settled into the heating season here in the St. Louis area, it's a good time to talk about gas furnace maintenance and what you can do to keep your unit running smoothly throughout the winter.
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How Does a Heat Pump Work?
Although gas furnaces are the most common type of heating system found in St. Louis area homes, heat pumps are another great option for anyone who is looking to save energy and lower utility bills.

These highly efficient units can actually be used to both heat and cool your home. Since it is winter, we'll focus on explaining how a heat pump can heat your home, but it's worth noting that the process is simply reversed to cool your home during the summer.
Learn More >>

Jerry Kelly Testimonials

A NATE Certified Jerry Kelly Service Technician arrived just one hour after Tracey called to have her broken air conditioner fixed. She was so happy that she wanted to tell the world. See more >>


From Our Customers, Directly To You
The service with Jerry Kelly is always top notch. Our tech was wonderful, very informative and courteous.
-Stephanie T.

The technician was so nice — worth every penny! Also, he wore booties and I love that.
- Kim T.

Tech was most pleasant and informative one I have had of any type of tech I have had out here. Great appearance too! Means a lot!!
- Todd D.

Very pleased with furnace/a/c and glad we had both systems installed at same time. Techs are always impressively efficent and polite.
- Michael V.

Both systems run fine. Your company is always right on time, pleasant and very helpful. Thank you.
- Kathy C.

Thanks for coming out on short notice!! Your business hours are great.
- John W.

Your serviceman was the most courteous and knowledgeable. He's a "keeper".
- Artys G.

Audio Testimonials

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Local Reviews

Rated 4.9 out of 5 stars based on 1428 customer reviews

Map of St. Charles, MO

Top Notch Servie





Map of St Charles, MO

Jane





Map of St. Charles, MO

Dawn





Map of St. Charles, MO

Great service





Map of O'Fallon, MO

Excellent service . Technician is highly proffesional




I strong recommend the service to my neighbours . Mike F explained the problem to us very clearly and options to fix it .


Darin A.

Darin A.

Troubleshooting a furnace that broke! Gas Heater Repair. Furnace Service

Near Tara Ln, St Charles, MO 63304
St Charles, MO - Troubleshooting a furnace that broke! Gas Heater Repair. Furnace Service
Bryan J.

Bryan J.

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

Near Sterling Terrace Dr, St Charles, MO 63301
Kevin A.

Kevin A.

Servicing a Jerry Kelly Emerald furnace for proper operation and to help lower utility bills.

Near Fox Pointe Dr, St Charles, MO 63304
Ronan  w.

Ronan w.

Servicing a Jerry Kelly Emerald furnace to ensure proper operation and lower utility bills.

Near Millwood Dr, St Peters, MO 63376
Ben S.

Ben S.

Performed precision furnace tune up to ensure that the system is safe and operating at manufacturers specs.

Near Cottonwood Dr, St Charles, MO 63301
Kevin A.

Kevin A.

Servicing a Jerry Kelly Emerald furnace for proper operation and to help lower utility bills.

Near Foxborough Dr, St Charles, MO 63301
Jeff T.

Jeff T.

Servicing a Jerry Kelly Emerald furnace to ensure proper operation and lower utility bills.

Near Elm St, St Charles, MO 63301
Graham B.

Graham B.

Tuning up a furnace for a Jerry Kelly customer.

Near Crescent Dr, St Charles, MO 63301
Bryan J.

Bryan J.

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

Near Emberwood Dr, St Peters, MO 63376
Shane  F.

Shane F.

Repairing a furnace that has broke down

Near Quarterhorse Trl, St Peters, MO 63376
Darin A.

Darin A.

Troubleshooting a furnace that broke! Gas Heater Repair. Furnace Service

Near Mannington St, St Peters, MO 63376
St Peters, MO - Troubleshooting a furnace that broke! Gas Heater Repair. Furnace Service
Kevin A.

Kevin A.

Servicing a Jerry Kelly Emerald furnace for proper operation and to help lower utility bills.

Near Foxborough Dr, St Charles, MO 63301
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