Design Aire Heating and Cooling
Design Aire Heating and Cooling is a HVAC provider serving Saint Charles, MO. Rated 4.9★ with 2,574 Google reviews. See services, review signals, and request a quote.
On this page
Company overview
- TradeHVAC
- Service areaSaint Charles, MO
- Google rating4.9★ (2,574 reviews)
- Phone(314) 897-4305
- Address2550 Harley Dr, Maryland Heights, MO 63043, USA
Photos
Photos from Design Aire, Thaddeus Gilmore
What customers say
“High Quality system, easy installation. We got a new HVAC system for our home. Design Aire had the best prices for a Trane system compared to multiple other companies. Brad and Joe were a great instal…”
“Design Aire Heating and Cooling is absolutely fantastic. We were having issues with the humidifier not working. Within ten minutes of our technician Steve coming out he had fixed the issue and also ga…”
“Brad and the other gentleman that came out to do the work today.and even the gentleman who dropped off the parts worked as a team and knocked our job out with no complications. Everything went flawles…”
“Great service! I called on Tuesday morning to set up an appt to get a humidifier installed, they were able to get me in the next day!! My tech, Joe, was fantastic and knowledgable. Highly recommend th…”
“Design Aire has been my HVAC company for 25 yrs. and is exceptional in sales and service. I replaced my AC/Heating system 11 yrs ago with their recommendation of make and model, and use them to perf…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (2,574 reviews)
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 Aire Heating and Cooling offer?
Design Aire Heating and Cooling provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Saint Charles, MO.
What is Design Aire Heating and Cooling's rating?
Design Aire Heating and Cooling has a 4.9 out of 5 star rating based on 2,574 Google reviews.
Is this company licensed in Missouri?
All listed providers have a verified Missouri contractor license at time of publication. You can verify on the Municipal licensing — no statewide Missouri HVAC license (each city regulates mechanical trades independently) lookup at https://ago.mo.gov/divisions/consumer/.
Does Design Aire Heating and Cooling 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 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: Municipal licensing — no statewide Missouri HVAC license (each city regulates mechanical trades independently) · Company data: verified business records + Google Business profile
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