Today I arrived on site and performed a winter time maintenance on your HVAC equipment. Air Handler Service: Located in the attic. Replaced the pleated 1" filter with a spare the customer had (size 20x20x1 and 12x12x1). Confirmed the indoor coil is clean and in good condition. Verified the blower wheel, primary drain pan, secondary drain pan, and electrical wires are secured and in good condition. Condenser Service: Located on the side of the house (heat pump). Cleaned the outdoor coil, which is now in good condition. Tested and inspected the blower motor, heat strip kit, condenser fan motor, compressor, compressor run capacitor, fan run capacitor, contactor, and electrical wiring; all are working properly within manufacturer's specifications. System Checks: Cleared the condensate drain line. Cleaned out the primary and secondary pans. Tested the safety switch. Confirmed the drain line is strapped. Measured a return air temperature of 71.0°F and a supply air temperature of 111.5°F.