Keystone Htg & AC Co, Inc
Keystone Htg & AC Co, Inc is a HVAC provider serving Racine, WI. Rated 4.9★ with 203 Google reviews. See services, review signals, and request a quote.
HVACRacine, WI
On this page
Company overview
- TradeHVAC
- Service areaRacine, WI
- Google rating4.9★ (203 reviews)
- Phone(262) 554-1080
- Address2707 Durand Ave, Racine, WI 53403, USA
Photos
Photos from Keystone Htg & AC Co, Inc
What customers say
“Thank you Keystone for fixing my furnace in the middle of this brutal cold weather! I had another company come to my house on Monday because my furnace was not working correctly. I explained that the…”
“Had a venting issue causing a constant "banging" once the blower stopped. Especially annoying at night when the house is quiet. I knew the source of the banging (venting expanding & contracting) but…”
“Highly skilled and honest service techs. Our furnace stopped working. Called a different company to come and fix it. All they did was look at it without even touching it. And gave me a quote to basic…”
“I got home after work on a Sunday in January and noticed my heat was out. Checked my other gas related appliances and everything was working. Contact the experts at keystone, being a handy guy myself,…”
“I would definitely recommend Keystone. They put two boilers in my duplex and did an absolutely amazing job from the starting process until the units were installed. Very reasonable prices for the boi…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (203 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 Keystone Htg & AC Co, Inc offer?
Keystone Htg & AC Co, Inc provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Racine, WI.
What is Keystone Htg & AC Co, Inc's rating?
Keystone Htg & AC Co, Inc has a 4.9 out of 5 star rating based on 203 Google reviews.
Is this company licensed in Wisconsin?
All listed providers have a verified Wisconsin contractor license at time of publication. You can verify on the Wisconsin Department of Safety and Professional Services (DSPS) — Dwelling Contractor certification (plus municipal HVAC licensing) lookup at https://licensesearch.wi.gov/.
Does Keystone Htg & AC Co, Inc 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: Wisconsin Department of Safety and Professional Services (DSPS) — Dwelling Contractor certification (plus municipal HVAC licensing) · Company data: verified business records + Google Business profile
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