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(217) 429-1105Visit WebsiteMap & Directions1201 N 19th StDecatur, IL 62521Write a Review

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24 Hour Emergency Service.

24 Hour Emergency Service.

General Info
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!
Extra Phones

Fax: (217) 475-0419

Heating & Cooling Systems|Air Handlers|Custom Heating & Air Conditioning|Electric Heating Equipment|Gas Heating|Heating Parts|Duct Work|Blowers|Fans|Oil Heating Systems|Air Purifiers|Electric Heat|Portable Units|Thermostats|Air Cleaners|Boilers|Climate Controls|Air Filters|Floor Heaters|Heating Systems|Sales|Service|Cooling Systems|Indoor Air Quality|Heating & Air Conditioning|Furnace Removal|Heating|Coil Cleaning|Furnace Cleaning|Furnace Repairs|Furnace Installation|Furnace Repair|Geothermal Systems|Licensed|Sales|24 Hour Emergency Service|Installation|WE SERVICE MOST MAKES & MODELS|24 Hour Emergency Service|Service|Repairs|Evening & Weekend Appts. Available|Licensed|Installing Geothermal Systems Since 1986|Water-Furance|Insured|Same Day Service|Carrier|Same Day Service|Family Owned & Operated|Insured|Same Day Service|Geothermal Systems|We Service All Makes & Models|We Service Most Makes & Models|Installing Geothermal Systems Since 1986|Water-Furance
American Standard, Carrier, Heil, Lennox, Trane, York
Payment method
visa, discover, master card
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Dale T.



Great products & service: They do get behind on calls sometimes, due to service concerns. Make appts for maint. in advance.


Phone: (217) 429-1105

Address: 1201 N 19th St, Decatur, IL 62521