Get matched with top thermostat installers and replacers in Arlington Heights, IL

"Amir did a great job replacing one fixture and installing another new fixture in our home. The job was outstanding and he kept us informed on everything that needed to be done. We would hire again ."

"Excellent service from start to finish. The technician handled our thermostat installation and central A/C repair quickly and professionally. Everything is working perfectly now and the whole process was explained clearly. Very reliable team and highly recommended."

At One Hour Heating & Air Conditioning, we've been proudly serving Chicago-area communities with expert heating and cooling services for over 65 years.\n\nOur reputation is built on delivering legendary service—with every technician fully background-checked, drug-tested, and bringing at least five years of professional HVAC experience to your home.\n\nYou, the customer, are the most important part of our business, and we never forget that.\n\nBe sure to ask about our flexible financing options—we're here to keep comfort within reach.

"Collin did a great job of installing the whole house humidifier for my heat pump furnace. Very happy with both units."

"Great company with top notch installer"

"I spoke with Val on the phone, my refrigerator was leaking water. He said he would be able come by between 12-3pm. When he was on his way, he texted me with his ETA. Arrived promptly, and diagnosed the problem quickly. Replaced the connector on the water line, tested it, working properly, all set! I was very grateful that he was able to come out so quickly and fixed the problem. Very nice serviceman. I highly recommend him!"

"CJ Russell was the first company to call me reference this work. He seemed honest and scheduled time to look at what needed to be done. James came out. i showed him the steel door I wanted replaced with another steel door. i showed him the paint color i wanted. James made necesary calls to find the door. He painted the door then installed it one day later. The color looks great and so does the door! James also replaced hardware on a closet door and adjusted another door so it smoothly slides now. James did a great job and cleaned up after all work was completed. His pricing was reasonable and his work is of good quality. i would hire him again. l"

"Elvis did a great job today fixing our HVAC and surprisingly charged a very fair and very reasonable professional fee. I definitely will recommend him to family, friends, neighbors. You should try him first before calling other companies. You would be very pleased if you did that. He came on time. He was very professional 100%. I lined up annual project for him to tune up and inspect our HVAC to keep it good running condition."

"Kevin and Brad did an amazing job! They replaced the subfloor that had been damaged by a leak from my toilet, installed new flooring, and put in a new toilet, making the bathroom look brand new. They showed up on time, stayed until the job was completely finished, and made sure everything was cleaned up before they left. Super friendly, professional, and hardworking. I highly recommend them!"

"The technician showed up an hour late but they did call and say he was running late. The technician was very knowledgeable and knew the model of thermostat I had very well. The work went very well on the thermostat installation with no complications. The work took the amount of time the technician quoted. I am quite happy with the installation!"