Get matched with top heating and air conditioning pros in Berkeley, IL

"Excellent, timely, and knowledgeale service. I had them come to clean the air ducts, but they were able to comprehensively answer some other questions I had about my HVAC situation. I am going to use them from now on for my HVAC needs. Recommend!"

"Steve and his team are very professional and get the job done in a timely fashion. We had three quotes on a new HVAC system and his was by far the lowest. They were wonderful to deal with and would hire them again without question."

"Fantastic company. Tech takes time to do routine maintenance properly. I use this company whenever I have HVAC issues."

Precision Today is a trusted multi-trade contractor with a expert technicians specializing in HVAC services for residential properties. We deliver fast, safe, and reliable solutions—backed by same-day service.\n\nOur HVAC services include heating and cooling system installation, furnace and AC repair, seasonal maintenance, ductwork services, thermostat upgrades, and energy-efficient system replacements. Whether you need a quick repair or a full system upgrade, our technicians work with precision and attention to detail to keep your home or business comfortable year-round.\n\nWith locations in Carol Stream, West Chicago, Grayslake, Palatine, Franklin Park, and Naperville, we provide efficient coverage across the surrounding Chicago suburbs—allowing us to respond quickly and keep your project moving.\n\nIf you’re looking for a responsive, professional contractor who prioritizes safety, speed, and quality, Precision Today is ready to help—often the same day you call.

"Everyone from the sales person to installers were great. I love our new HVAC system!"

"Francisco of United Heating and Air Conditioning is the greatest, and I will hire him again happily and hope to have him service my system yearly going forward. He came today as promised and found that my thermostat only needed batteries, but my system was otherwise fine. He is very good and extremely honest and informative."

"AWE promptly responded to my work request and kept me informed about my appointment status. Peter came to perform the work. He was very thorough and even discovered that the HVAC contractor on our new home installed 2 furnaces: a current year model as well as a prior year model that was more prone to breakdowns. Provided great information and would definitely hire again. Thanks!"

"Yes, my HVAC Technician Malcolm serviced my AC Unit. He was very professional and did a thorough job. He also gave me recommendations for future upgrades."

"I needed the refrigerant in my HVAC system refilled and Juliano and Richard were quick to respond and very professional. They inspected the system and completed the job in one day. Very satisfied with work performed."

"I talked with the rep on the phone about the vents and my 2 A/C units. We agreed on a price based on the fact the 2nd AC only covers the master bedroom. The tech called a hour before he was to arrive. He was very professional and got right to work. He was able to clean the vents, clean out the dry vent and santize in just under 2 hours. They are very reliable and do a good job. I would definitely hire them again. They dryer is definitely drying much better!"