Choosing your new comfort system provider is an important decision. Here’s why Thornton is your best choice.

Experience you can trust

Thornton Heating Service is proud to offer an extensive array of reliable, energy-efficient products and services for your home or business. We’ve been serving the Chicagoland area since 1959.


Our staff has a high level of expertise, and our installers and technicians are trained on a regular, on-going basis. Installers and technicians are certified by major industry organizations.

Quality Products

We carry only the highest quality products from major manufacturers proven in the industry. This includes the most advanced and innovative technologies available today.


Your satisfaction is our highest priority. We’re just a phone call away when you need us and pride ourselves on our rapid response time and excellent service.


We know that keeping your family comfortable and healthy and protecting your home all year long is important. You can depend on us to be there when you need it.

Area We Serve:

Contact Thornton Heating Service

Contact us at 847-905-1608 or use our online form for all your heating, cooling, and HVAC service needs.