Connect with Top-Rated HVAC Contractors in Grayslake!

Located in the heart of Lake County, Northern Air Systems provides residential, light commercial, and industrial forced air heating and cooling equipment installation and repair services. Our team of factory-trained technicians uses the finest products and best practices to ensure our customers' satisfaction and comfort 24/7. We install new systems, service existing ones, and offer programmable thermostats, humidifiers, air filters, and UV lights. Our sheet metal shop allows us to fabricate custom ductwork and fittings for a professional installation.