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Available 24/7 At No Extra Charge.

General Info
As Chicago's premier heating and cooling experts, Master Tech has the skills needed to get the job done right the first time. We've been serving McHenry and Kane counties, Illinois, and the Northwest suburbs of Chicago for more than 20 years. You can trust our reliable, skilled and licensed HVAC technicians at Master Tech. Your satisfaction is guaranteed. We install and repair all makes and models, and we are there when you need us 24/7 at no extra charge for nights, weekends and holidays. We serve both residential and commercial customers. With Master Tech, you'll get the service you expect when you need it most, as well as the expertise you deserve. Our services include: • Furnace installations and repairs • AC system sales and service • Water heaters and boilers • Sheet metal fabrication • Plumbing • Humidifiers Our products include: • Programmable thermostats and controls • Air Conditioners • Furnaces • Fan and evaporator coils • Heat pumps • Boilers • Duct-free split systems • Generators We're fully licensed, bonded, and insured for your protection, and we offer senior citizen discounts. For a free quote, call Master Tech today!
BBB Rating
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BBB Accredited businesses follow the BBB Code of Business Practices and pay a fee for accreditation review and monitoring. Accreditation is not a BBB endorsement or evaluation of the business’ product quality or competency in performing services.

BBB Rating and Accreditation information may be delayed up to a week.
Air Conditioning Commercial Services Estimates Furnaces Humidifiers Plumbing Residential Services Sales Sump Pumps Water Heaters
American Standard, Aprilaire, Bradford White, Bryant, Burnham, Carrier, Goodman, Heil, Payne, Tempstar, Trane, Weil Mc Lain, York, York Shipley, Zoeller, carrier, water
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amex, cash, check, debit, discover, paypal, visa, mastercard
Fox River Grove


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Ryan G.



We strive for the best customer service at the best prices possible! We are open 24 hours a day and we dont charge extra for nights or weekends!

Mark J.



Master Tech came out to replace an old, broken furnace. The service was prompt and Ryan, the owner, made the whole process hassle free. Customer service was excellent and the service was quick and professional. I will be recommending Master Tech to all my friends and family in the area.



Great Job!

Ryan, the owner, came to my home to repair my sump pump. He replaced my sump pump and very reasonably priced. I called him for my furnace, which kept running. Instead of the repair costs and the age of the furnace, I asked him to quote a new furnace. Out of the three bids I received, MasterTech was the least expensive for a better furnace. The guys installed and were neat and professional. Way to go MasterTech! I will use you again and again and recommend you to everyone. It's very rare that you find a contractor that you can trust.



Great company to work with. T...

Great company to work with. The owner comes to all jobs. Best heating and air company I've ever had fix my furnace.


Phone: (847) 275-9585

Address: 204 Northwest Hwy, Fox River Grove, IL 60021


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