Inventory, Maintenance, Installation and Repair for Mundelein, IL Furnace and HVAC Systems

Mundelein IL AC and Heating

Thornton Heating Systems covers all of your air conditioning and heating needs in Mundelein, IL. From the installation all the way to the maintenance plan, Thornton gives you everything that you need for your interior temperature control. We pride ourselves on providing the best customer service in the area to extend the life of your investments in HVAC systems.

Local Reviews
for Mundelein, IL

Rated 5.0 out of 5 stars based on 2 customer reviews

Map of Mundelein, IL

Quick and easy, with no problems




Thornton's has always done a great job for us.


Map of Mundelein, IL

clean, neat, on time




The Nearby Terms and Conditions I am agreeing to by filling this survey out are not listed anywhere. Why Not? The service was very good. I hope this doesn't mean I am going to get a lot of unsolicited email messages.


Nick  S.

Nick S.

Water heater not working after flooding

Near Bingham Cir, Mundelein, IL 60060
Nick  S.

Nick S.

Install Trane air conditioner

Near Bradwell Ln, Mundelein, IL 60060
Ben R.

Ben R.

Performed a Percision tune up on an air conditioner

Near Banbury Rd, Mundelein, IL 60060
Nick  S.

Nick S.

Inspection on Honeywell emergency generator

Near W Cres Dr, Mundelein, IL 60060
Jason  C.

Jason C.

Air conditioner tune up

Near S Greenview Ave, Mundelein, IL 60060
Jason  C.

Jason C.

Air conditioner tune up

Near E Hawthorne Blvd, Mundelein, IL 60060
Ben R.

Ben R.

Performed a precision tune up on an air conditioner

Near N Southport Rd, Mundelein, IL 60060
Jason  C.

Jason C.

Air conditioner tune ups

Near W Cres Dr, Mundelein, IL 60060
Mitch  W.

Mitch W.

Installing 2 mini split AC unit

Near S Lake St, Mundelein, IL 60060
Jason  C.

Jason C.

Precision tune up on air conditioner

Near Pauline Cir, Mundelein, IL 60060

Furnace Maintenance in Mundelein

If you need a furnace maintenance or repair, then you can come to Thornton Heating Systems for everything that you need. If you regularly maintain your furnance, then you will enjoy lower costs over the life of the appliance and protection from large out of pocket costs for big repairs.

Mundelein Heating Services Maintenance Plan

Maintenance on your heating and cooling system exponentially extends the life for that system. The longer that your system lasts, the more money you save over time. We have priority service for repairs that take place during business hours, and we live to save you money.

Emergency Mundelein Service 24 Hours a Day

Our service technicians have the updated training to think on the fly. When you have an unexpected problem, we will have an answer. Call us for fixed pricing that will never change no matter how serious the problem is, and get your heating and cooling system back up just as quickly as it went down.

Mundelein, IL Water Heating

The water heating equipment that we carry comes from the best brands around. We have many options that give you the chance for savings and discount packages as well.

Mundelein, IL Accessories

Not only do we repair your furnace system, but we also provide you with discounted services for your accessories as well. Humidifiers, whole home air cleaning, humidifiers and digital thermostats all help your air conditioning and furnace units work more efficiently. However, it is often difficult to find a company that can repair them – until Thornton Heating Services.

Call Our Mundelein, IL Phone Number Today! 847-905-1608