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

"Porterhouse Heating and Cooling was very professional and knowledgeable on the service provided. I used them to install my air conditioner unit. Eventhough, the unit was not my issue, they still came out and was able to find the issue and fix it. They were friendly, professional, and reasonably priced. I will definitely use again for any of my HVAC concerns."

"The technician did a very good job cleaning the hvac ducts."

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.

"HVAC scheduled tuneup performed as requested perfectly. On time and on budget. Left the areas clean and neat. Perfect! They’re the best."

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

"Amer completed the electrical work successfully. He is a real Pro with a courteous and service oriented approach. The quality of Amer’s work is superb. I will utilize Amer for all of my electrical and HVAC work in the future; and would highly recommend him to anyone who has a need for his service."

"United HVAC installed new furnace and new central Air and most recently new hot water heater. That being said I trust the company and their technicians they do the job right. Communication and outstanding service from everyone. Extremely happy. Thank you United HVAC."

"Jim is very reliable and honest. He services my 3 furnaces and 3 AC units. He is knowledgeable and trustworthy. Highly recommend!"

"TemperaturePro Heating, Cooling & Indoor Air Quality did a great job replacing and servicing my HVAC system. They were on schedule and on time. They cleaned up nicely which was very important to me."

"He is very patient in fixing my furnace. There were multiple fix he did and now my furnace is working as I wanted it. Other HVAC contractors were unable to fix, but he was able to get the job done."