Get matched with top geothermal heating or cooling system installers in Chicago, IL

"Home AC went out when it was 90 degrees outside. BESCO Air came out the next day and Voila! Problem found and fixed. I've used these guys for years for both heating and AC. When other companies don't have the resources to respond promptly, BESCO comes through for me. With them, loyalty still matters."

"Service was prompt, professional and well done."

"The technician arrived precisely on schedule and performed a thorough checkup of the heating system, using state-of-the-art diagnostic tools. He also explained the condition of the furnace and helpfully forecasted its likely future."

"The unit was installed a couple of years ago. This visit was for spring checkup. Thomas, the tech, was great. Informative and efficient. I highly recommend this firm."

"Excellent! They were extremely professional, very fairly price, and the servicemen, especially the owner, was very helpful in explaining things, and very neat."

"My mother contacted Four Seasons Heating and Cooling on 01/26/2026 for a water leak. What should have been a simple service call turned into them replacing her boiler?something that was not needed. The technician arrived at 8:00 a.m. and instead of shutting the water off, allowed it to continue leaking for approximately three hours while he tried to determine ?how my mother?s credit was? so they could charge her for additional work. He even made the comment, ?Oh, there is no way you could afford this in cash,? which was extremely inappropriate and unprofessional. After being pressured into purchasing a new boiler costing nearly $17,000, her tenants were left with NO HEAT because the job was not completed correctly. A second technician had to come out to bleed the old pipes and stated that the original work was done incorrectly. I was on the phone during a call with customer service and had to take over because of how rude and disrespectful they were toward my mother. Once I took over "

"Elvis was very professional and his work was fantastic. Very fair prices and walked me through all his work from beginning to end."

"Orcasitas Comfort did a phenomenal job installing my new furnace. They were knowledgeable and tentative to all of my needs. Not only that, their license and bonded and did very neat work."

"It was excellent. They did a great job. It was cool and nice. The price was good. I was totally happy with the work. They cleaned up their mess."

"Excellent! As a personal assistant, I hire service people often. Manny and his crew from Salazar is, BY FAR, the best HVAC company I've ever used. Highly recommend!"