683 E. Center St.
P.O. Box 650
Grayslake, IL 60030
P.O. Box 650
Grayslake, IL 60030
847-223-8877 
Located in the heart of Lake County and founded in 1984 Northern Air Systems services and installs residential, light commercial and industrial forced air heating and cooling equipment, boilers, humidifiers, air filters, UV lights and thermostats throughout Chicagoland.
Our sheet metal shop gives us the flexibility to fabricate any ductwork or fitting required for a proper professional installation.
We service all brands and install new systems using equipment from Trane, Heil and Amana when using forced air with indoor air quality pieces from Trane and Honeywell.
When installing hot water or infloor radiant systems we use Triangle Tube, Lochinvar, Weil McLain, Peerless, Viega, Caleffi and Tekmar.
We have factory trained service technicians and use the finest products along with the best installation practices to ensure your satisfaction and comfort 24/7.
Whether you need service on an existing system or want to plan for a new comfort system for your home or business, give us a call today.
