Four Suns Heating & Cooling
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Four Suns Heating & Cooling
Four Suns Heating & Cooling, Inc. is proud to be a locally owned and operated heating and air conditioning company. 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 for you.

Illinois summers get HOT! It takes a well-designed, finely-tuned and regularly serviced air conditioning system to preserve your indoor comfort. Keeping indoor air clean and healthy is a growing priority among today's homeowners and business owners. Our innovative solutions keep your air pristine! Keeping your employees, customers, and product at the proper temperature should be effortless.

Count on us to keep it that way. 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 HVAC services for your home or business in Naperville & the surrounding area. For heating, air conditioning, indoor air quality, water heating, and more, we provide free estimates and a satisfaction guarantee.
Services
At Four Suns Heating & Cooling, Inc., we believe you deserve quality service to keep your home comfortable. We are a family-owned and operated company that offers complete heating, cooling, and air quality systems for residential and commercial applications. We service all makes and models of systems, and we will customize new systems to meet your individual needs.
Naperville & the surrounding area is known for its family-friendly atmosphere and chilly winters. Averaging nearly 30 of snow each year and recording temperatures down to twenty-six below zero, the local weather is a challenge. A new heating system is your opportunity to take control. You're investing in superior comfort, air quality, and efficiency.
Procrastinating over necessary, annual heating maintenance adds up to higher utility bills, increased risk of malfunction, and the very real chance of safety issues. At best, you're going to live with inferior comfort and polluted air quality. Your furnace won't last as long and more negatively affect our environment.
Four Suns Heating & Cooling, Inc. services all major brands, models, and types of residential and light commercial heating equipment. We make repairs a less stressful experience with free estimates, total transparency, and reasonable pricing. We are proud to offer a one-year labor warranty on many of our services.
Dedicated to providing homeowners and business owners in Naperville & the surrounding area with the best solutions to modern challenges, Four Suns Heating & Cooling, Inc. focuses on indoor air quality. Reach out to us at (630) 753-9410 for a free estimate, and we'll stand behind the results of our efforts with satisfaction guaranteed.
Reviews (10)
Vaun Ellis
Vaun Ellis
Dec 20, 2021
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Excellent Service!! Our Furnace went out and Four Sons was contacted and very helpful right from the start. It was such a relief to be contacted by Jason and he quickly gathered the information, confirmed the part needed, ordered the part and was very friendly and courteous the whole time. It was very reassuring, especially after a few bad interactions with previous heating company during the day trying to find someone to fix our furnace.
When the part arrived, Rich came out and was very nice, welcoming and respectful and more importantly knowledgeable. He took his time and explained the situation
Djniel
Djniel
Dec 10, 2021
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Four Suns Heating & Cooling has been my first choice for several years. They initially replaced the air conditioner via an insurance policy. I appreciate the professionalism and honesty. When it was time to replace my heating system, I got prices from other Companies, but Four Suns, was both a good value and they did not high pressure me. A shout out to Rich for a recent repair. He took the time to go over the warranty and remind me of the features that provide 100% coverage over the next 10 years.
Thomas Liversidge
Thomas Liversidge
Dec 06, 2021
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New home owners, I contacted Four Suns as they had previously serviced the system in my new home, they were very knowledgeable and professional when talking with them about my system. They booked me in for a service and even fitted me in a day earlier than expected.
John was amazing, he listened to my questions helped explain everything about the system and advised on things to look for. Knowing now that we are all good for the winter ❄️ makes us happy as new home owners.
Definitely will use again and for our AC check up in spring. 100% recommended 👍
Mike Howell
Mike Howell
Nov 23, 2021
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Recently moved to Naperville and evaluated many HVAC companies for our furnace and A/C needs. We selected Four Suns and are very happy with our decision!
Jason arrived on time, very professional, honest, knowledgeable and offered helpful suggestions. The pricing was very reasonable as well.
Highly recommend you consider Four Suns when evaluating HVAC companies.
Tetiana Kusen
Tetiana Kusen
Nov 16, 2021
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Great experience!! Technicians are knowledgeable, responsible, honest and friendly. Looking forward to being a long time customer!
Mike Broz
Mike Broz
Oct 25, 2021
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Love these guys the owner went out of his way to help me and my family during a big heat wave at our old home. He was able to get us a reasonable estimate over the phone prior to an on-site consultation. This allowed me to at least know what I was getting into. After he did his on-site consultation the estimate changed minimally and our replacement air conditioning that was the correct size for our home unlike the original installed was installed within 5 days of the initial call!! This meant a lot to me as a consumer with four young children and a wife that stays home without air conditioning
Dwayne Eriksen
Dwayne Eriksen
Oct 22, 2021
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We contacted Jason at Four Suns as a recommendation through our subdivision Facebook group because our furnace motor was making a strange noise. He was able to come by within a 1/2 hour and quickly diagnose the problem rather quickly. (piece of filter stuck in the motor) He performed a complete check on the unit and was really fair with the service call fee. I liked and trusted him so much that I had them modify and install a 4inch filter box. I would highly recommend.
Carl Frei
Carl Frei
Sep 05, 2021
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Jason at Four Suns HVAC was with us throughout the whole process of replacing our AC unit. After receiving other quotes, Four Suns was the most honest and willing to do what was needed at a fair rate with exceptional craftsmanship.
Save some of the hassle of shopping around and give Four Suns a call. I considered them extremely knowledgeable, trustworthy, and carried well known products. Jason has come out on multiple occasions and I've always found him friendly and willing to answer any questions you may have.
Peggy Burgermeister
Peggy Burgermeister
Jul 18, 2021
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Four Suns have worked on my personal HVAC as well as my rentals. I have referred them to every client I have for several years. They are very reasonable, polite, timely and very professional. They really go that extra mile to make sure you are happy and they get the job done right the first time.
Great Job Four Suns for leading the industry!
Katy Hazell
Katy Hazell
Jun 07, 2021
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We've used Four Suns several times for our heating/ac repairs and they've always been honest, professional and priced fairly. We are always happy with their services. Jason always tries to make sure I understand our needs and solutions and gives us several options for what we need. I'll continue to use Four Suns and recommend them to our friends and family!