From the day Oncourse opened our doors, we’ve made it a priority to deliver outstanding services in Aurora, Bolingbrook, Carol Stream, Elgin, Elmhurst, Naperville, Oak Lawn, Orland Park, Schaumburg, Wheaton, IL, and the surrounding areas. Whether you need an AC tune-up or a new furnace, you can depend on us.
Air conditioning and heating
As an experienced HVAC company, Oncourse is familiar with the twists and turns of Chicagoland weather patterns. We have a proven track record of delivering reliable, cost-effective solutions that keep you comfortable, safe, and healthy all year long.
Installation and replacement
When it’s time for a new AC unit, heat pump, furnace, or boiler, our pre-qualified service technicians have the expertise you need to help you make a wise decision. We’ll install your equipment to the highest standards and ensure that it’s the correct size for your needs.
Service and repair
We specialize in keeping your equipment performing at a high level. Our experts maintain and repair all models and brands of heating and cooling equipment, and our 24/7 emergency coverage ensures a fast response when you have an equipment failure.
Indoor air quality
Because Americans spend a lot of time indoors, we cannot afford to ignore indoor air quality. Our air quality solutions make your home’s air fresher and keep your loved ones healthier. We’re seasoned veterans when it comes to neutralizing indoor air pollution.
Ductless systems
Our conventional HVAC systems are energy-efficient and dependable, but sometimes ductless AC is a better fit. We install mini-splits that lower your carbon footprint and enhance your indoor air quality. Although we install Carrier systems, we fix and service all brands of ductless systems.
Preventive maintenance
Regular maintenance is essential to consistent comfort. We offer service plans that relieve you from worrying about the condition of your equipment. With regular maintenance from Oncourse, you’ll greatly enhance the likelihood of uninterrupted comfort all year long.
Home warranty
Our custom home warranty plans, along with our comprehensive HVAC services, take the hassle out of caring for your house. These plans are meant to help protect you and your budget from the expenses and frustration that arise from unexpected repairs to your home’s appliances, lines, and systems.
Contact us for expert services
With all the HVAC companies around, it can be hard to know who you can count on. At Oncourse, we have a network of in-house NATE-certified technicians as well as trusted, licensed, insured, independent contractors. We offer convenient, simple, reliable, and trustworthy services for confident homeownership and peace of mind. As a Carrier Factory Authorized Dealer, we feature equipment that’s quiet, energy-efficient, and environmentally safe.
We provide clear pricing policies and free in-home estimates on new equipment. Our staff operates according to the highest safety, performance, and ethical standards. What’s more, our customer service line is available 24 hours a day, 7 days a week.