Deb R.
9/22/2025
Gary O'Brien has been very responsive and professional in helping me with my furnace. The company who installed my furncae wanted to charge me $400 to fix a leak, but Mr. O'Brien resolved the...
O'Brien Heating & Cooling
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3128 Sheeler Ave
Waukegan, IL 60085
O'Brien Heating & Cooling, nestled in the heart of Waukegan, IL, stands out as a reliable partner in ensuring your home's warmth during chilly seasons. With a team of seasoned professionals dedicated to top-notch service, this heating contractor offers a range of solutions tailored to meet your specific needs.
From routine maintenance to complex installations, O'Brien Heating & Cooling prides itself on delivering efficient and cost-effective heating solutions that guarantee your comfort. Whether you're looking to upgrade your current system or simply in need of a quick repair, trust this reputable establishment to provide expert guidance and unparalleled expertise in the field of heating.
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Reviews
4.520 reviews
Sharon H.
11/4/2024
I called O'Brien Heating and Cooling to repair my boiler that needed a new gas valve I was told that the boiler was too old that Parts could not be ordered to repair it . I would need to replace...
Jeri B.
10/22/2024
New water heater installed and old one removed. O'Brien Heating and Cooling was responsive from onset. Clean and thorough installation and removal. Gold standard, old school service!! So rare...
C P.
1/3/2024
I made an appointment, took the day off of work and they never showed up. I called and left a message and no one called me back. I don't see how anyone could recommend this company with that type...
Pat R.
4/30/2024
Excellent service, advice and yearly check ups I have used them for years, respond right away
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