Garrett Heating & Cooling
Garrett Heating & Cooling is a HVAC provider serving Collinsville, IL. Rated 4.6★ with 42 Google reviews. See services, review signals, and request a quote.
HVACCollinsville, IL
On this page
Company overview
- TradeHVAC
- Service areaCollinsville, IL
- Google rating4.6★ (42 reviews)
- Phone(618) 420-8800
- Address645 Hill Rd, Caseyville, IL 62232, USA
Photos
Photos from Terry Fowler, Aaron Collie, Nancy Jarosik, bhedle walwo
What customers say
“I hired Garret Heating and Cooling, specifically Jeff and Jeremy to install a Pioneer mini split unit, and my experience has been nothing but a complete nightmare. They started the job in August of 20…”
“Awesome job. We have a home in Far Oaks, and the upstairs was underpowered and failing so we upgraded the A coil and condenser with Garrett HVAC, awesome job. We had a baby coming in July, so it was c…”
“When I needed THREE heat pumps and air handlers replaced all once, I went with Garrett. I received 5 quotes in total for the job. Garrett beat the competitors by OVER 50%. I thought, "what's the deal!…”
“Had to meet them to fix my sisters ac while her family was out of town. Great service, very knowledgeable, and willing to teach, and show exactly what was wrong. didn’t try to over sell anything. 10 …”
“This company reached out to me via Angi’s List. They were very professional, upfront and honest from the very beginning. Their prices are very reasonable! They installed a new furnace for me. The owne…”
Key highlights
Strengths
- Highly rated (4.6★ average)
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 Garrett Heating & Cooling offer?
Garrett Heating & Cooling provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Collinsville, IL.
What is Garrett Heating & Cooling's rating?
Garrett Heating & Cooling has a 4.6 out of 5 star rating based on 42 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 Garrett 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
See our editorial standardsReport inaccurate info about Garrett Heating & Cooling
Request a quote from Garrett Heating & Cooling
Enter your ZIP and we will line up a free estimate alongside other top local pros.
Own or manage this business? Claim this listing to earn a verified-owner badge.