Long Grove, IL – HVAC, Furnace Repair, Air Conditioning Installation and Maintenance

Installation, Repair, Maintenance – Long Grove IL Heating and AC

Having the right heating and cooling system in Long Grove makes a huge difference in your overall quality of life. Thornton Heating Systems installs, repairs and maintains all of your heating and AC systems depending on your needs. We have cultivated an inventory of the best brands in the industry so that you can create the perfect AC system.

Local Reviews
for Long Grove, IL

Rated 5.0 out of 5 stars based on 2 customer reviews

Map of Long Grove, IL

The best service one could ask for!!




Nick did a great job. Thorough, quick and clean.


Map of Long Grove, IL

Great Service





Ben R.

Ben R.

Performed a precision tune up on two furnaces

Near Holly Ct, Long Grove, IL 60047
Ben R.

Ben R.

I found a precision tune up on one furnace

Near Promontory Ln, Long Grove, IL 60047
Nick  S.

Nick S.

Clean and check on furnaces, humidifiers, and air cleaners

Near Wilderness Ct, Long Grove, IL 60047
Nick  S.

Nick S.

Summer mid season check on air conditioners

Near N Diamond Lake Rd, Long Grove, IL 60047
Jason  C.

Jason C.

No cooling

Near 3 Lakes Dr, Long Grove, IL 60047
Nick  S.

Nick S.

Replace electronic air cleaner

Near Wilderness Ct, Long Grove, IL 60047
Nick  S.

Nick S.

Spring Guardian service on Trane air conditioners and flush AO Smith water heater

Near Manassas Ln, Long Grove, IL 60047
Nick  S.

Nick S.

Spring Guardian service on Trane and Carrier air conditioners and Honeywell electronic air cleaners

Near Wilderness Ct, Long Grove, IL 60047
Nick  S.

Nick S.

Guardian winter mid season visit on boilers, steam humidifiers and air cleaners

Near N Diamond Lake Rd, Long Grove, IL 60047
Nick  S.

Nick S.

Fall Guardian service on triangle tube boilers, Nortec steam humidifiers and Unico air handlers

Near N Diamond Lake Rd, Long Grove, IL 60047

Maintenance, Installation, Repairs for Your Furnace

Whether you need to install a completely new furnace or maintain the system that you have, there is no reason to take on rising utility bills and lower air quality. Thornton keeps your furnace moving at its top capacity throughout the entire year. Installing the right type of system ensures that your home has the right airflow, and maintaining your system will reduce your costs drastically. Thornton helps you along every step of the way.

Maintain Your HVAC System with a Thornton Heating Plan

A Thornton Heating maintenance plan ensures the best health of your system for its lifetime. If you are looking to save money on HVAC systems, the best way to do so is to extend its life. Thornton takes care of the little problems up front so that you can get five to 10 more years from that system without any large out of pocket costs.

24-Hour-a-Day Emergency Service

Not only does Thornton Heating maintain your system, but we also help you during any time of emergency. Has your system broken down unexpectedly in the middle of the night? Call us.

Long Grove, IL Water Heating

Get your water heating done with Thornton. Getting a great water heater means that you improve your quality of life and reduce the costs of water in your home. You have a choice of top brands at a reasonable price when you go to the Thornton website.

Long Grove, IL Accessories

Your accessories are also protected when you do business with Thornton Heating Systems. You can call us when anything goes wrong; it doesn’t matter what part of your system is having a problem. We are here to help.

Call Our Long Grove, IL Phone Number! 847-905-1608