Get matched with top thermostat installers and replacers in Buffalo Grove, IL

"THE BEST experience with a contractor EVER! We’ve owned 7 houses and have hired numerous contractors to do a variety of work, this was by far the smoothest, most thorough job we’ve ever had done. The communication, preparation and scheduling made us feel at ease with the project. Everyone of the workers and managers of the job showed up on time and got our job done on the specific schedule we were given. The quality of the work was top notch! The entire team was a pleasure to work with!"

"Job was done well quickly and efficiently very nice and personable. Good job overall."

"He was very professional. Very knowledgeable He was completely transparent about what he was doing and how he was diagnosing the problem with my dryer. He gave complete and thorough explanations. To be fair I’m a DIY girl but I know my limitations. But I like to learn and know things even if they are beyond my actual capabilities. Completely transparent about costs of parts and labor even showing me his cost from the parts store. He went above and beyond, and did extra. I will absolutely hire him again if I need someone to service my appliances and am hiring him to do my HVAC maintenance. He can have ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️"

"James was prompt, hardworking, diligent and very reasonably priced. He installed a chandelier in our 18 foot family room and did a great job! I would absolutely use him again in the future. I think we found ourselves a good, reliable electrician."

"I had a great experience with the central air cleaning service. The team was punctual, professional, and very thorough in their work. They explained the process clearly and made sure everything was spotless. My home feels cleaner and the air quality has noticeably improved."

"Carlos called me the next morning, and sent 2 technicians over. At several points during their stay, they were video call with Carlos discussing the situation. They found a solution and explained to me carefully what they were doing, what the next step is if this step would prove inefficient. Their price was reasonable. Carlos called me several days later to check on the system, and gave me additional advice. I would hire them again."

"Sean our service man did an outstanding job! Everything he does is exactly the way you would want it to be done. So precise and clean! I would not use anyone else."

"Phil was at my home within an hour of my phone call. He was professional and thorough. He explained everything he did and had my A/C unit up and running in no time. I would definitely use this company again and recommend it to others. "

"Easy scheduling, great knowledge, super friendly. Would recommend 10/10"

"I cannot recommend Hot Cold Air enough! Their dedication to customer service is truly outstanding. From the moment I called, they showed complete respect for my time and scheduled the appointment at my convenience. They arrived right on time, and their team was not only professional but also incredibly courteous and clean, leaving no mess behind. What impressed me the most was their communication. They kept me informed every step of the way, providing updates on the progress and making sure I understood what was being done. Their honesty and transparency were refreshing—they honored every coupon without hesitation and offered fair pricing for top-notch service. It’s rare to find a company that combines timeliness, cleanliness, and a genuine commitment to customer satisfaction so seamlessly. I will definitely be calling Hot Cold Air again for any HVAC needs. Highly recommend!"