Keeping Naperville Comfortable.
We service all makes & models!
Four Suns Heating & Cooling, Inc. is proud to be a locally owned and operated business. We are a team of expert HVAC technicians that you can count on to keep you cozy. Give us a call at (630) 753-9410 and we will be happy to answer your questions or schedule an appointment around your schedule.

With the best-in-class services.
Dependable HVAC Services
Trust in Four Suns Heating & Cooling, Inc.
Get the job done right by calling Four Suns Heating & Cooling, Inc. We always answer our phone, always respond without delay, and offer a broad range of skilled services for your home or business in Naperville & the surrounding area. For heating, cooling, indoor air quality, water heating, and more, we provide free estimates and a satisfaction guarantee. If you’re not totally happy with the results, we’ll come back at no charge*.

Your Source for Heating & A/C Repair, Maintenance, or Installation
throughout Naperville & the surrounding area
Through exceptional job performance at a reasonable price, Four Suns Heating & Cooling, Inc. builds long-term relationships with our residential and commercial clients. We value superior customer service and rise to every challenge with the best techs available. Our team is background checked, drug tested, and meets the strenuous training requirements of a Rheem Pro Partner.
Air Conditioning Service Warrenville, IL | Heating and Cooling Naperville, IL | Furnace Installation Plainfield, IL
Unmatched Quality of Service
From Start to Finish
Family owned and operated, Four Suns Heating & Cooling, Inc. lives up to our reputation of unmatched excellence at every opportunity. Count on us for the installation, maintenance, and repair of your essential equipment, and you’ll always benefit from peak efficiency, reliability, and return from your investment. We believe you deserve quality service to keep your home and commercial space comfortable. Four Suns Heating & Cooling, Inc. remains available for emergency services across Naperville, Plainfield, & Warrenville, IL.
Customer Reviews
We appreciate your feedback!
Our team is constantly working to improve and innovate. We are always glad to answer for your questions and comments. The Four Suns Heating & Cooling, Inc. team looks forward to keeping you comfortable for years to come!
Read More Reviews Review Us On GoogleFirst of all, let me start by saying that I don’t normally take time to write reviews, however, a review of this company is definitely needed. I run a property management company and have had the pleasure of dealing with Four Suns twice now. Some of our owners use home warranty companies (which can be difficult to get quality vendors out in a timely manner) and this is how we were introduced to Four Suns. They are not only VERY responsive (were out the same day for a home warranty call) but took care of the problem right away and were VERY professional, honest and courteous to our clients. We will be using them going forward for ALL of our HVAC calls! A lot of HVAC companies come and go but I know this company will be around for a long time due to their customer philosophy. Thank you Four Suns!