Combo Maintenance Performed Upon arrival system is working and operational. I began my maintenance in the attic by performing a duct leakage inspection. I then proceeded to the furnace unit, I checked and tightened electrical connections. I inspected the heating components for proper operation and wear. Burners were inspected for proper operation. Flame sensor was cleaned. Condensates lines were inspected for proper drainage. Static pressures and temperature splits were taken. Filter has been checked, homeowner will switch out when they arrive. Blower housing and wheel was inspected for balance and dust build up. Air supply was measured. Inspected safety switches as well as inspected home for fire and carbon monoxide detectors. I then proceeded to the outdoor condenser unit. I broke the system and cleaned it inside and out removing dirt and debris. I checked electrical connections to ensure good connections, as well as recorded amp draws. Inspected components for wear. Checked refrige