Skip to content
FeaturedVerifiedHVAC Companies in Naperville, Illinois

Oncourse Heating, Cooling, Plumbing

Featured in Naperville Today 5.00 (1,818 reviews)(833) 367-9913

Oncourse Heating, Cooling, Plumbing handles heating, air conditioning and plumbing in Naperville and across Chicagoland. It has served Chicagoland homeowners since 1992 and also offers home warranty plans.

Business Highlights
  • The company says its service technicians are certified by North American Technician Excellence (NATE).
  • It identifies itself as a Carrier Factory-Authorized Dealer.
  • It lists Illinois license 055-045104.

Service Area

Aurora, Bolingbrook, Carol Stream, Elgin, Elmhurst, Naperville, Oak Lawn, Orland Park, Schaumburg and Wheaton, plus surrounding Chicagoland areas and Northwest Indiana.

Featured on ProsGrade. Oncourse Heating, Cooling, Plumbing is one of 11 HVAC companies ProsGrade lists in Naperville, Illinois.

Listing details

9 services listed, including Air conditioning repair, Air conditioning installation and replacement and HVAC maintenance. Open weekdays, closed on weekends. Rated 5.0 from 1,818 reviews.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

How Oncourse Heating, Cooling, Plumbing compares with the other 10 HVAC companies on ProsGrade in Naperville, using public Google ratings and review counts.

  • Ranks in the top quarter of the 11 Naperville HVAC companies on ProsGrade by Google rating and review volume.
  • Rated 5.0 on Google, at or above the 4.9 average of other Naperville HVAC companies on ProsGrade.
  • Has more Google reviews (1,818) than 8 of the 10 other Naperville HVAC companies on ProsGrade.
  • One of 11 Naperville HVAC companies on ProsGrade rated 4.7 or higher from at least 10 reviews.

Services Covered

9 services
  • Air conditioning repairCondenser coil repair, coolant recharge, blower motor cleaning and electrical connection repair.
  • Air conditioning installation and replacementHeat pumps, ductless systems and central air conditioning.
  • HVAC maintenanceAC tune-ups with coil inspection, blower cleaning, air-filter replacement and thermostat testing.
  • Heating repairFurnaces, boilers, air conditioners, heat pumps and hybrid heating systems; all makes and models.
  • Heating installation and replacementAir conditioners, heat pumps, furnaces and boilers.
  • Ductless AC serviceCarrier installations; repair and service for all ductless brands.
  • Indoor air qualityAir purification, humidifiers and dehumidifiers.
  • PlumbingWater heaters, tankless water heaters, leak repair, drain cleaning, bathroom and kitchen plumbing.
  • Home warranty plans

Reviews

What customers say

Customers praise technicians’ professionalism, courtesy and clear explanations. One customer recalls Raul patiently explaining the work and says the household got heat again. Another says Raul and Thomas installed a new water heater quickly and checked that it was working before leaving.

Customer Reviews

Khadija Pipkins

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 perfectly before they left. The whole process was smooth and stress-free. Highly recommend their services!
View full reviewShow less

Tina Balentine

If you 're looking for a plumber who knows what he's doing with many years of experience. GARRY is your man! He's incredibly courteous and professional. He explained the problem and fixed the two issues we had quickly. My husband and I want to thank you for being efficient, honest and very knowledgeable. We highly recommend Garry Norris !
View full reviewShow less

Jhakiya Harris

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!

Write a Review

Share your experience with this business. Reviews are moderated before they appear publicly.

We'll email you a link to confirm your review. It's only sent in once you click it.

Frequently Asked Questions

Does Oncourse provide emergency AC repairs?

Yes. It offers 24/7 emergency coverage for AC repairs that cannot wait.

How long does an AC installation usually take?

The team can typically remove the old AC and install a new one in a single day.

How should homeowners prepare for an AC installation?

The area near the air conditioner should be clear, and pets should be kept in a separate room for safety.

What can Oncourse’s home warranty plans cover?

Plans can cover up to 17 major systems and appliances, or a standalone plan can cover selected items such as incoming water lines, HVAC equipment or electronics.