Performed spring hvac maintenance Bosch dual fuel system Natural gas two stage furnace Variable speed heat pump Zone panel with 4 zones Humidifier Closed humidifier bypass damper, will need opened in fall Verified correct operation of the system Furnace blower was caked full of drywall dust from construction (Blower cleaning is a $300 service, included with platinum plan if needed, no cost today) Pulled blower out of the furnace Removed the motor Took the housing and wheel outside Washed with water and brush Blower is now clean like new Brush cleaned and vacuumed secondary heat exchanger on the furnace Reassembled blower housing and motor Reinstalled blower in the furnace Tested operation Filter is still good. Left a new 20x25x4 Honeywell filter since provided filters are included with each maintenance visit. Outdoor unit is clean and operating within factory specifications
