Jerry Kelly—Your No. 1 HVAC Company in St. Peters, MO, and Beyond!

There is nothing worse than a damp chill that won’t go away—especially during a cold winter in St. Charles County and West County, MO. When the temperatures plummet, you need a cozy, well-heated indoor space. Jerry Kelly's HVAC company has experience with all types of heating systems—including heat pumps and hybrid systems, gas furnaces, electric furnaces and more. We are even there for you on those chilly days when the deep freeze hits your home and you need emergency furnace replacement and installation!

Keeping a cool head in St. Charles County, MO, and beyond, heat and humidity can be a challenge—literally. But when you choose Jerry Kelly as your HVAC contractor, you won’t sweat it! We offer a wide range of reliable, high-performance Emerald air conditioning systems that can easily be tailored to your budget to give you perfect indoor comfort all season long. Even better, we’re always available for AC replacement and installation, AC repair and AC maintenance, too!

Fresh, clean indoor air is nothing to scoff at. For homeowners in St. Charles County and nearby who own pets, have small children, suffer from allergies or spend a great deal of time cooking, the quality of indoor air is super critical. At Jerry Kelly, we understand there is nothing more important than the health of your family. For this reason, our HVAC contractors proudly provide a complete line of air purifiers, air filters and humidifiers to help keep your indoor air super fresh and pollutant-free.

The life of a homeowner can be frustrating. Comfort systems often fail at the most inopportune times—the middle of the night, the hottest day of the year, the coldest winter on record, etc. Sound familiar? Well, relief is here. When you need 24/7 emergency services or furnace repair, Jerry Kelly’s HVAC contractors are available 24/7 to fix all of your HVAC needs. Day or night, our NATE-certified technicians will arrive promptly at your doorstep and “simply, make it work.”