Air Conditioner maintenance on Thermal Zone air conditioner located in Northbrook Illinois. Replace furnace filter. North Shore Heating and Cooling your air conditioning contractor located near you in Glenview Illinois. Serving the northshore area for over 30 years. Including Northbrook, Highland Park, Deerfield, Riverwoods, Lincolnshire, Winnetka, WIlmette, Northfield and Glencoe. Call us today at 847-729-1040 or visit our website at www. northshoreheatingandcooling.com