Lake Forest, IL Thornton Heating Services – HVAC and Furnaces

Lake Forest, IL Air Conditioning and Heating System

Invest in the best if you are going to spend money repairing or reinstalling a new heating and cooling system. Thornton Heating Systems ensures that you only have a selection of the top brands in the HVAC industry. You can trust that Thornton Heating has competitive pricing and financing available with approved credit for any unit that you want to buy. We also have the best customer service in the Lake Forest area when it comes to installation and repair.

Local Reviews
for Lake Forest, IL

Rated 4.7 out of 5 stars based on 3 customer reviews

Map of Lake Forest, IL

Professio9nal Service





Map of Lake Forest, IL

Great service





Map of Lake Forest, IL

Outstanding service




Ben was professional, polite, helpful -- a pleasure to work with!!


Jason  C.

Jason C.

Furnace tune up and ac tune up

Near Oak Knoll Dr, Lake Forest, IL 60045
Jason  C.

Jason C.

Furnaces tune up

Near Lakewood Dr, Lake Forest, IL 60045
Mitch  W.

Mitch W.

Tune up heating

Near Lakewood Dr, Lake Forest, IL 60045
Nick  S.

Nick S.

Whole house dehumidifier leaking water

Near Linden Ave, Lake Forest, IL 60045
Mitch  W.

Mitch W.

Summer mid season inspections

Near N Ahwahnee Rd, Lake Forest, IL 60045
Ben R.

Ben R.

Performed precision tune up on one air-conditioner

Near Northmoor Rd, Lake Forest, IL 60045
Jason  C.

Jason C.

No cooling

Near Oak Knoll Dr, Lake Forest, IL 60045
Ben R.

Ben R.

Performed precision tune up on one air-conditioner

Near Oakwood Ave, Lake Forest, IL 60045
Nick  S.

Nick S.

Clean and check on air conditioner

Near Old Elm Rd, Lake Forest, IL 60045
Nick  S.

Nick S.

Replace Trane Clean Effects air purifier

Near Loch Ln, Lake Forest, IL 60045

Lake Forest, IL Furnace Repair and Maintenance

Your furnace needs to run at its most efficient to ensure that you are not wasting money. Thornton Heating Systems has the dedicated and experienced in home technicians available to work on your furnace routinely to stop problems before they start. Take full advantage of discounted services so that you can get an even lower price for your repair and maintenance.

Lake Forest, IL Maintenance Plans for Your Heating and Cooling System

Your heating and cooling maintenance plans make all the difference in the life of your HVAC unit and the quality of life of your entire home. Take on one of our customizable maintenance plans in order to ensure the quality of your conditioned air and the longevity of your system. You save money by avoiding repairs and replacement parts that might cost you hundreds of dollars out of pocket, if not thousands.

Lake Forest, IL 24 Hour Service for Emergencies

If you had a choice, why would you choose a heating and cooling company with 24 hour a day emergency service for you? This is exactly the type of customer service that we provide to our Lake Forest residents. You cannot help what happens to your system sometimes, but you can help how long you stay uncomfortable in your own home. Call us as soon as something happens. We will address the problem quickly and neatly, ensuring that your home is respected while we work.

Lake Forest, IL Water Boilers

If you notice that your monthly bills are too high for water heating, come to our website for more efficient water boilers and water heaters. Just like our HVAC units, we only deal with the absolute best brands in the industry. You are assured to get the most efficient water heating products at the best prices.

Lake Forest, IL HVAC Accessories

We make sure that all of the elements in your heating and cooling system or taken care of, even the small accessories like digital thermostats and air purifiers. We can install all of these components, maintain them and repair them if need be.

Lake Forest, Call Thornton Heating Today! 847-905-1608