See Special Offers  

It’s that time of the year again…

Make sure your HVAC System performs efficiently all year long with our professional HVAC Tune-Up.

Request Service
Financing

Financing

Let us show you the benefits of financing your purchase!

See More

Maintenance Agreements

Having your systems checked regularly keeps them running efficiently and this saves you money on your utility bill month after month.

Learn More

Proudly serving St. Louis and Jefferson County since 1969

Hely Heating and Air Conditioning is dedicated to providing the best possible solution for your home or business. You can count on us to provide you with a system and solution that fits your unique needs and since we've installed many systems in this area, we've earned a reputation for doing the job right the first time.

Gear Icon

Our Products

As a American-Standard® dealer, with a wide variety of products to choose from, we can keep your family healthy and feeling comfortable all year long. We carry a complete line of indoor comfort equipment with innovations that raise the standards of comfort and reliability, including air conditionersheat pumps, gas furnaces, programmable thermostats, humidifiers, ductless split systems, geothermal systems, boilersair cleaners, ultra violet lights, ventilators and zoning products. Let the experts at Hely Heating and Air Conditioning help you customize a solution that's right for you.

Learn More 
Wrench Icon

Our Services

We are service professionals! As licensed contractors and specialists in the field of heating and air conditioning, we have the tools, the equipment, and the experience to keep your equipment running smoothly all year long. If it is emergency service that you need, we are available to assist you! To help reduce service emergencies, we offer service agreements to keep your comfort system running at peak performance.

Learn More 

We service and repair all brands!