Ac tune up and preventative maintenance on Lennox air conditioner. Cleaned coil, checked refrigerant charge and electrical. Fixed blower noise by replacing filter. Added R410-A refrigerant to increase cooling due to high superheat. HVAC service and maintenance in Arlington on heights, Palatine, Wheeling, rolling Meadows, Mt.Prospect, Hinsdale, Schaumburg, Elk Grove Village, Etc.
