Four Suns Heating & Cooling, Inc. is a family-owned HVAC company based in Naperville, IL, serving the community since 1997. Customers consistently appreciate the honest and reliable service provided by the team. Recent reviews highlight positive experiences with the knowledgeable staff, who are prompt and dedicated to customer satisfaction. The company offers competitive pricing and an extended 10-year labor warranty with service agreements, making it a smart choice for homeowners. Whether for installation or repair, Four Suns Heating & Cooling, Inc. is highly recommended for its professionalism and quality service. Customers praise the company's quick response times, even in emergencies, and their commitment to leaving work areas clean after installations. The staff is also recognized for their honesty and good nature professionalism, with one customer noting the technician's thorough and courteous service.
Had Four Suns out to look at my unit and get another opinion. Every other technician that came out told me I needed to replace the unit and was going to charge me an insane amount. Four Suns was different than every other company. They were honest with me about the situation and the recommendation for moving forward. Ended up saving me a lot of money and was able to repair my AC unit on the spot. I now have working AC as we head into a hot week. Will use them again, if and when I need a repair and/or new unit.
Jun 2026
5.0★★★★★
I called Four Suns because my AC decided to quit on what felt like the hottest day of the year. Less than an hour later, Brian was at my house and got right to work.
I had to be on a work call, so he handled everything on his own without interrupting me. He quickly found that my AC had a refrigerant leak, explained everything clearly, and gave me a quote to recharge the system and add sealant to hopefully stop the leak. When the job was finished, the final price actually came in lower than he originally quoted. That kind of honesty is hard to find these days.
Brian was professional, knowledgeable, fair, and incredibly kind. As a bonus, my pit bull absolutely loves meeting… read full review
May 2026
5.0★★★★★
Jason and his install team did a great job!! Cleaned up everything very well. I had them come out to remove a small bush right behind the new unit and to place a tube where the humidifier drains. Rich came out and dug the bush out by the roots and installed the tube so that it won’t move.. great service! We will keep sharing this company with friends and neighbors and relatives in the area. A huge thank you!!!
