Performed furnace tune up on Lennox furnace in Northbrook Illinois. Also performed maintenance on April Aire humidifier. Searching for a reliable and honest HVAC contractor near me? Call North Shore Heating and Cooling located in Glenview Illinois at 847-729-1040. We are the experts to perform your furnace inspection, furnace service and furnace repairs as well as furnace replacement and furnace installation. Call today 847-729-1040 or visit our website at www.northshoreheatingandcooling.com