Air Conditioner Maintenance Call. Completed Air Conditioner Tune up and Safety Check on Carrier unit. Replace Honeywell Furnace Filters. Furnace and air conditioner maintenance can reduce your heating cooling costs and extend the service life of your HVAC Equipment. North Shore Heating & Cooling is your local Residential Heating and Air conditioning service contractor. Call us at 847-729-1040 or Visit us at www.northshoreheatingandcooling.com