Welsch Heating & Cooling
Welsch Heating & Cooling is a HVAC provider serving East Saint Louis, IL. Rated 4.5★ with 162 Google reviews. See services, review signals, and request a quote.
HVACEast Saint Louis, IL
On this page
Company overview
- TradeHVAC
- Service areaEast Saint Louis, IL
- Google rating4.5★ (162 reviews)
- Phone(314) 872-8070
- Address2175 Welsch Industrial Ct, St. Louis, MO 63146, USA
Photos
Photos from Welsch Heating & Cooling
What customers say
“I had a wonderful experience with Welsch Heating and Cooling. David came out to give me a bid. David was very knowledgeable, professional and suggested products that would work for me. He has great cu…”
“Called John Welsch after business hours to fix my AC Unit. It was 100° outside and John talked me through how to troubleshoot it because he couldn’t repair until morning. Not only did he tell me how t…”
“We contacted Welsch to give us an estimate on running some duct work in our basement as we are finishing it. Denny came out and took a look and had some really great ideas about how to set everything …”
“I learned a very important lesson this week: A family with a strong woman needs the quiet man to speak up... occasionally... Let me explain.... We bought this house in 2021 that was built in 2000. It…”
“The service tech (Colin) that has been helping us with our AC has been fantastic! He is very kind, responsive, knowledgeable, and has went above and beyond to help us get our unit fixed. You can tell …”
Key highlights
Strengths
- Highly rated (4.5★ average)
- Large review volume (162 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 Welsch Heating & Cooling offer?
Welsch Heating & Cooling provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in East Saint Louis, IL.
What is Welsch Heating & Cooling's rating?
Welsch Heating & Cooling has a 4.5 out of 5 star rating based on 162 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 Welsch Heating & 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 2026-04-22. 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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