AC Tune-up and furnace tune-up complete on Carrier air conditioner and Carrier furnace located in Glenview, Illinois. AprilAire Humidifier maintenance complete.Replace humidifier filter. North Shore Heating and Cooling are experts in furnace repair and tune-up as well as ac repair and tune up. Regular furnace maintenance and ac maintenance will help avoid untimely breakdowns. Look for our specials at www.northshorheatingandcooling/special-offers or contact us at 847-729-1040.