Heating, HVAC, Furnace Repair and Installation in Chicago, Chicagoland, & Libertyville

Warm Your Home with the Best Heating Products and Expert Service

It may be bone-chilling cold outside, but Thornton Heating Service will help you keep your home toasty warm and comfy throughout the winter months with our heating services. Our certified technicians provide expert installation and maintenance services, plus our energy-efficient line-up of products ensures monthly savings on your energy bills.

Furnace Repair & Heating Service Areas:

Furnace Repair Buffalo Grove IL 

Furnace Repair Evanston IL

Furnace Repair Libertyville IL

Furnace Repair Skokie IL

Furnace Repair Wilmette IL


Save money and conserve energy with the latest heating technology. Let our heating experts design a high-efficiency heating system for you.


Avoid problems and keep your system running smoothly and efficiently all year round. Plus, you’ll get the most out of your investment with the Guardian program.

Air Conditioning Before you call for heating service...
We’re here to help at anytime. But sometimes an issue might be a small thing or a setting. Before calling for emergency service, click here to read some quick tips to check.


Explore our energy-efficient and dependable heating systems and products from only the best in the business. Check out our line-up of superior products, including Trane.

Green Oaks
Gas Furnaces

Explore new high efficiency furnaces that can save you up to 50% in costs versus older furnaces.

Trane Boiler

We offer a complete line of gas and oil boilers that are energy-efficient and dependable.

Packaged Units
Packaged Units

For the ultimate in maintenance-friendly design and quality assurance, choose a packaged cooling unit.

air conditioner
Heat Pumps

Heat pumps are a versatile solution for your home system, providing both heating and cooling.

Thermostats & Zoning

We carry all the products you need for total control of your environment and optimum temperatures.