Markgraf's Heating & Air Conditioning
Markgraf's Heating & Air Conditioning is a HVAC provider serving Lake Zurich, IL. Rated 3.7★ with 9 Google reviews. See services, review signals, and request a quote.
HVACLake Zurich, IL
On this page
Company overview
- TradeHVAC
- Service areaLake Zurich, IL
- Google rating3.7★ (9 reviews)
- Phone(847) 438-0032
- Address785 Oakwood Rd, Lake Zurich, IL 60047, USA
What customers say
“My wife and I were bringing home our first child from the NICU on a Friday. Excitement was in the air after waiting for what seemed like forever. Our AC just happened to go out on the Wednesday before…”
“Easy to schedule for routine service done this morning. Our technician, Edgis, was wry thorough and explained things well. Our previous HVAC provider retired and we’ll plan to be regulars with Edg…”
“I have been using Markgraf's for 20 plus years. Installed two furnaces, humidifiers and today a new home air purifier system. There service is exceptional, having had issues in the middle of the winte…”
“They put a boiler in my house and then they came out to locate wires to the heating tubes they had no idea where they put the wires they walked around for hours. Never bothered to call me to contact …”
“Service technician came out and clearly didn’t know what he was doing, and then person from their team just called and could not have been more rude. Would not use again”
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 Markgraf's Heating & Air Conditioning offer?
Markgraf's Heating & Air Conditioning provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Lake Zurich, IL.
What is Markgraf's Heating & Air Conditioning's rating?
Markgraf's Heating & Air Conditioning has a 3.7 out of 5 star rating based on 9 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 Markgraf's Heating & Air Conditioning 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 Markgraf's Heating & Air Conditioning
Request a quote from Markgraf's Heating & Air Conditioning
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.