Design-Air Heating & Air Conditioning

24 Hour Emergency Service.
  • 1201 N 19th St

    Decatur, IL 62521

    Map & Directions
  • 217-429-1105

About Design-Air Heating & Air Conditioning

  • Heating & Air Conditioning
  • Furnace Repair
  • Gas Furnaces
  • Humidifying Apparatus
  • Duct Systems
  • Geothermal Heating & Cooling
  • Carrier
  • Carrier
  • Water Heaters
Special Offer
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Message from Design-Air Heating & Air Conditioning

Design-Air has been serving the heating and air conditioning needs of clients in Decatur, IL and surrounding areas for over 30 years. Our family owned and operated business offers sales, service, installation, and repairs of all makes and models of HVAC equipment. Design-Air is your choice for geothermal expertise.

Our residential and commercial customers depend on us for:

• Air Conditioning

• Fireplaces

• Furnaces and heating

• Gas Piping

• Heat Pumps

• New Construction

We offer a more energy-efficient and eco-friendly services to our clients. Here at Design-Air, we are not comfortable until you are. Our technicians are ready to serve you and we are available 24 hours for emergency situations.

For routine maintenance or emergency service, call Design-Air today!. HVAC Systems|Heat Pumps|Gas HVAC Equipment|Custom Heating & Air Conditioning|Oil Heating Systems|Thermostats|Rooftop Units|Heating Equipment|Floor Heaters|Air Purifiers|Electric HVAC Equipment|Portable Units|Boilers|Air Conditioning Equipment|Residential HVAC Equipment|Heating Systems|Forced Air & Hot Water Systems|Energy Efficient Systems|Electric Heat|Multiple Zone Systems|Heating & Cooling Systems|Electric Heating Equipment|Commercial HVAC Equipment|Air Filters|Humidifiers|Gas & Oil Furnaces & Boilers|Ventilation Equipment|Fans|Controls & Thermostats|Gas Heating|Air Cleaners|Furnaces & Boilers|Mini-Ducts|Heating Parts|Geothermal Systems|Blowers|Geothermal Systems|Climate Controls|Air Handlers|Duct Work||Free Estimates|Air Conditioning Contractors|Repairs|Commercial HVAC|Inspections|Furnace Repairs|Upgrades|Furnace Removal|Replacements|Furnace Repair|Geothermal Heating & Cooling|Furnace Installation|Heating Contractors|Heating|Residential Contractors|Coil Cleaning|Air Conditioning Repair|Ventilation Contractors|Duct Work|Indoor Air Quality|Estimates|Furnace Cleaning|Remodeling|Heating Equipment Repair|Heating & Air Conditioning

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Key Points

  • 24 Hour Emergency Service.

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