Local Reliable Heating and Cooling Repair

Sigman Heating and Air Conditioning, Inc. services all brands of residential and light-commercial heating and cooling equipment. Call anytime for system maintenance or heating and cooling repair in Belleville, Shiloh, Columbia, Edwardsville, Waterloo, O'Fallon or anywhere else in the St Louis area.

Furnace and Air Conditioner Repair

Our NATE certified heating and cooling repair technicians have provided all brand air conditioner repair and furnace repair for more than two decades. Your HVAC system works most efficiently when it is properly maintained. Schedule your seasonal heating and air conditioning maintenance or schedule your emergency heating and air conditioner repair right now. Call 618-234-4343 to get the job done right. 

Sigman Heating & Air Conditioning, Inc. also provides these services:

Air Conditioner Repair, Sales and Service

Looking to replace your current HVAC system or building a new home? We sell and install most brands of heating and air conditioning systems as well as geothermal and hybrid systems. You can trust Sigman to fit your home or business with the right system for your needs. We have been trusted for over two decades in Belleville, Edwardsville, Waterloo and O'Fallon Illinois and throughout St Louis. We are recognized for quality sales and installation and superior heater and air conditioner repair by Angie's List.

Not only do we provide trusted heating and air conditioning repair, we can also repair and install:

  • Water Heaters
  • Humidifiers
  • Air Cleaners
  • Fresh Air Exchange Systems
  • Wine Cellars
  • Ultra Violet Air Purifiers
  • Geothermal and Heat Pumps
  • Boilers
  • Radiant Heat
  • Programmable Thermostats
  • Zone Control Systems
  • Hybrid Systems
After-Hours, Emergency Service  
Talk to a live person all day every day - 618-234-4343.