Cahill Heating, Cooling, Electric, Plumbing & Sewer
Cahill Heating, Cooling, Electric, Plumbing & Sewer is a HVAC provider serving Oak Forest, IL. Rated 5.0★ with 1,113 Google reviews. See services, review signals, and request a quote.
HVACOak Forest, IL
On this page
Company overview
- TradeHVAC
- Service areaOak Forest, IL
- Google rating5.0★ (1,113 reviews)
- Phone(847) 582-0385
- Address28983 N Herky Dr, Lake Bluff, IL 60044, USA
Services offered
- installation
- repair
- inspection
- emergency
Photos
Photos from Cahill Heating, Cooling, Electric, Plumbing & Sewer, Ryan Deutsch
What customers say
“Wow. One of our HVAC units went out during the cold snap and our son recommended Cahill. We were blown away. Super responsive, and they did our humidifiers too. Service was excellent and the units hav…”
“Miguel and team from Cahill just installed a furnace at our home. This is the second unit I have had Cahill install (they did an AC unit this past summer). They showed up on time, completed the work a…”
“We recently had our furnace replaced by Cahill and couldn’t be happier with the experience. Phoenix arrived early, worked efficiently, and completed the installation with great professionalism. He too…”
“Conrad arrived promptly, was very sweet to my big, dumb dog, and knew exactly how to fix the problem. He showed me what he was doing every step of the way. He worked quickly and cleaned up thoroug…”
Key highlights
Strengths
- Highly rated (5.0★ average)
- Large review volume (1,113 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 Cahill Heating, Cooling, Electric, Plumbing & Sewer offer?
Cahill Heating, Cooling, Electric, Plumbing & Sewer provides: installation, repair, inspection, emergency. They serve residential and commercial customers in Oak Forest, IL.
What is Cahill Heating, Cooling, Electric, Plumbing & Sewer's rating?
Cahill Heating, Cooling, Electric, Plumbing & Sewer has a 5.0 out of 5 star rating based on 1,113 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 Cahill Heating, Cooling, Electric, Plumbing & Sewer 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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