Design-Air Heating & A/C, LLC
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About Design-Air Heating & A/C, LLC
Design-Air Heating & A/C, LLC serves Decatur and surrounding East Central Illinois communities as a residential heating and cooling contractor. The company holds a 4.3-star rating compiled from 49 customer reviews, reflecting a mixed but substantive track record in the local market. Operating hours span Monday through Friday from 7 AM to 4 PM, with Saturday and Sunday reserved for emergency dispatch. Potential clients should verify licensing and insurance credentials directly, as these details were not publicly surfaced on available business records.
The company's online presence remains limited, with no fully functional website or detailed service documentation currently accessible. This constraint makes it difficult to confirm specific brand partnerships, equipment certifications, or specialized service offerings that might differentiate Design-Air from competing contractors in the Decatur area. Prospective customers seeking detailed proposals or warranty information may need to request documentation during initial consultations.
What Customers Say
Of three detailed reviews, two award five stars citing geothermal installations, responsive warranty support, and flexible financing handling, while one one-star review critiques estimation delays and warranty limitations. Positive feedback emphasizes problem-solving and customer care, while negative feedback centers on communication and pricing transparency.
Working Hours
| SundayToday | Closed |
| Monday | 7 AM–4 PM |
| Tuesday | 7 AM–4 PM |
| Wednesday | 7 AM–4 PM |
| Thursday | 7 AM–4 PM |
| Friday | 7 AM–4 PM |
| Saturday | Closed |
Services
Heating Installation & Repair
Furnace and heat pump system installations with repair diagnostics and component replacement.
Cooling Installation & Repair
Air conditioning systems, tune-ups, refrigerant handling, and cooling performance restoration.
Geothermal Systems
Ground-source heating and cooling installations, including ground-loop configuration.
Ductwork Solutions
Main duct installation and modification for standard and added rooms.
Mini-Split Systems
Ductless mini-split installations for additions, garages, or zones outside main duct networks.
System Maintenance
Seasonal startup services for AC and furnace, filter changes, and performance verification.
Warranty Support
Assistance with manufacturer warranty claims and parts replacement under applicable coverage.