Design-Air Heating & A/C, LLC
Design-Air Heating & A/C, LLC is a HVAC provider serving Decatur, IL. Rated 4.3★ with 48 Google reviews. See services, review signals, and request a quote.
HVACDecatur, IL
On this page
Company overview
- TradeHVAC
- Service areaDecatur, IL
- Google rating4.3★ (48 reviews)
- Phone(217) 429-1105
- Address1201 N 19th St, Decatur, IL 62521, USA
Photos
Photos from Design-Air Heating & A/C, LLC
What customers say
“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!!”
“The design is old” not the same business design as it was a decade ago. Disign air lost big-time! Tica won for price, speed of estimate and communication! Tica also offers labor warranties that desi…”
“This company takes pride in the quality of their work and truly cares about their customers. They installed our geothermal heating/cooling system, which works perfectly and has saved us almost a thous…”
“Design Air sent Dakota, who did a stellar job! Professional and quick repair. Will call again for any future problems.”
“December 17, 2014 we paid Design Air to install a new furnace and AC unit in our home in Hammond. The furnace never worked properly and because it kept back feeding due to debris they down in the duct…”
Key highlights
Strengths
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does Design-Air Heating & A/C, LLC offer?
Design-Air Heating & A/C, LLC provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Decatur, IL.
What is Design-Air Heating & A/C, LLC's rating?
Design-Air Heating & A/C, LLC has a 4.3 out of 5 star rating based on 48 Google reviews.
Is this company licensed in Illinois?
All listed providers have a verified Illinois contractor license at time of publication. You can verify on the Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) lookup at https://online-dfpr.micropact.com/Lookup/LicenseLookup.aspx.
Does Design-Air Heating & A/C, LLC offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) · Company data: verified business records + Google Business profile
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