Waukegan, IL – HVAC, Furnace Repair, Air Conditioning Installation and Maintenance

Your Top Waukegan IL Air Conditioning Choice

Thornton Heating Services has been a part of the Waukegan, IL community for years, providing top quality installation, repairs and maintenance to HVAC systems. You may need an entirely new system because of a new move or a breakdown – Thornton Heating has you covered. You may only need a quick repair after an unexpected storm – Thornton has you covered here as well. We only do business with top brands in the HVAC industry, ensuring the quality of your products.

Local Reviews
for Waukegan, IL


Nick  S.

Nick S.

B&G pump loud and leaking oil

Near Lynn Terrace, Waukegan, IL 60085
Nick  S.

Nick S.

Start fall Guardian service and winterize Robur gas chiller

Near Hyde Park Ave, Waukegan, IL 60085
Nick  S.

Nick S.

Gas chiller tune up

Near Hyde Park Ave, Waukegan, IL 60085

Repairs, Installation and Maintenance for Your Illinois Furnace

We pride ourselves on saving you money on gas powered burner systems. Whether you need an installation on a new product or a repair on an old one, we have the dedicated and experienced in-house technicians that will get the job done for you the first time. We work with all brands of furnaces, so call us no matter what type of system you have.

Routine System Maintenance Saves You Money

Follow up your investment in a new system or a vital repair with a routine system maintenance. Thornton will make sure that the natural problems that occur within your system do not become huge problems later on. You will end up saving a great deal of money, because a penny of prevention is worth a pound of cure!

24 Hours a Day, 7 Days a Week Waukegan Emergency Service

You can get an emergency service from Thornton anytime you need it. No matter if you need us at 12 noon on Thursday or 4 am on Saturday, we will be there to make sure that your systems are in good working order after an unexpected hardware or weather event.

Water Heaters

Your water heater plays a huge part in the utility bill that you pay every month, and you can affect that more than you think. Having the right kind of water heater is the first step, and Thornton has access to the best brands in the industry. Make a choice from abundance when you do business with us.

Accessories – Heating and Cooling Services

Thornton Heating Services is the company that can give you service on your entire heating and cooling system, no matter how insignificant that piece of your heating and cooling system may be. Your accessories play a huge part in the way that your central heating, cooling and furnace systems function. We can fix the small things so that you can save money on the big items.

Call Us in Waukegan, IL! 847-905-1608