McGrath Refrigeration Heating And Air Conditioning



McGrath Refrigeration Heating and Air Conditioning is located in Knox, IN. We service surrounding areas, such as, North Judson, Winamac, Plymouth, Hamlet, Grovertown, Walkerton, and many more. 

There's much to see here. So, take your time, look around, and learn all there is to know about us. We hope you enjoy our site and take a moment to drop us a line.

New Equipment

Interested in installing a new Heating and Cooling system in your home or a back-up generator? Check out what financing option will work for you!

AC Tune-Up

It's that time of year again. Get your AC cleaned before the temperatures soar!

Honeywell WiFi Thermostats

Connect to the Internet to bring thermostat control to your smartphone, PC or tablet. Review and change the temperature in your home anytime and anywhere. 

NIPSCO Rebates

 Rebates for high efficiency HVAC equipment - including furnaces, air conditioners, boilers, smart wi-fi thermostats and other home efficiency equipment - can help save energy and money. 


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