Performed Air Conditioner maintenance and repair in Winnetka Illinois. Performed air conditioning tune-up on multiple a/c units. Added refrigerant to Carrier Air Conditioner. North Shore Heating and Cooling is located in Glenview near the communities of Northbrook, Deerfield and Highland Park. We specialize HVAC service and repair. Visit us at www.northshoreheatingandcooling.com/special-offers.