Oncourse Heating, Cooling, Plumbing
Oncourse Heating, Cooling, Plumbing is a HVAC provider serving Naperville, IL. Rated 5.0★ with 1,820 Google reviews. See services, review signals, and request a quote.
HVACNaperville, IL
On this page
Company overview
- TradeHVAC
- Service areaNaperville, IL
- Google rating5.0★ (1,820 reviews)
- Phone(833) 367-9913
- Address1415 Diehl Rd Suite 170, Naperville, IL 60563, USA
Services offered
- installation
- repair
- emergency
Photos
Photos from Oncourse Heating, Cooling, Plumbing, Vanessa Wei, Barbara Ayers
What customers say
“Raul was very patient and efficient. He was very kind and explained everything that he was going to do. We really appreciate everything he’s done and we’re getting heat now!”
“Raul and Thomas were fantastic! They were knowledgeable, professional, and took the time to explain everything clearly. They installed our new water heater quickly and made sure everything was working…”
“My service technician Raul is the greatest! He did a wonderful job by installing the Inducer motor so that our furnace would not go out and now we have heat and the furnace works great. He is also ver…”
“Michael Wier's brought 30 years of HVAC experience with him into my 86 year old mothers home which had been without heat for approximately 5 days. He and his fully capable apprentice Drew Polk spent t…”
Key highlights
Strengths
- Highly rated (5.0★ average)
- Large review volume (1,820 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 Oncourse Heating, Cooling, Plumbing offer?
Oncourse Heating, Cooling, Plumbing provides: installation, repair, emergency. They serve residential and commercial customers in Naperville, IL.
What is Oncourse Heating, Cooling, Plumbing's rating?
Oncourse Heating, Cooling, Plumbing has a 5.0 out of 5 star rating based on 1,820 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 Oncourse Heating, Cooling, Plumbing 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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