Design-Air Heating & A/C, LLC is a family-owned and operated HVAC company dedicated to customer satisfaction. With over 40 years of experience, they provide top-notch repair, replacement, and maintenance services for air conditioners and furnaces of all makes and models in Decatur, IL, and surrounding areas. As a Carrier Factory Authorized Dealer, they employ NATE-certified technicians who deliver quality work and exceptional customer service. The company prides itself on building strong relationships with customers, understanding their needs, and providing reliable and prompt solutions, including after-hours services. With a focus on geothermal, ductless split systems, and indoor air quality products, Design-Air Heating & A/C, LLC is a trusted choice in central Illinois.
I called every company in Decatur, they were the only ones willing to work with me. They were here within hours and within 10 minutes I had heat! I cannot thank them enough!!
July 2025
Design Air sent Dakota, who did a stellar job! Professional and quick repair. Will call again for any future problems.
June 2025
very friendly people, and great services highly recommend. 🙂
Services: Sales, Service, Furnace Installation, Furnace Cleaning, Same Day Service, Family Owned & Operated, Geothermal Systems, 24 Hour Emergency Service, Licensed, Repairs, Water-Furance, Indoor Air Quality, Furnace Repair, Furnace Removal, Installation, Furnace Repairs, We Service All Makes & Models, Heating, Installing Geothermal Systems Since 1986, Carrier, We Service Most Makes & Models, WE SERVICE MOST MAKES & MODELS, Evening & Weekend Appts. Available, Heating & Air Conditioning, Insured, Coil Cleaning
