Today I arrived on site to perform a winter time maintenance on your HVAC equipment. **Indoor Unit (Air Handler in Attic):** * Confirmed the overall equipment condition is good. * Replaced the pleated 1" filter (18x18). * Observed the indoor coil is in good condition. **Outdoor Unit (Heat Pump on Side of Building):** * Observed the outdoor coil is in good condition. * Tested and confirmed proper operation of the blower motor, compressor, contactor, and electrical wiring, all within manufacturer's specifications. **System Components:** * Inspected the blower wheel and primary drain pan, confirming they are in good condition and working properly. * Cleared the condensate drain line and cleaned out the primary pan. * Tested the safety switch. * Verified the drain line is strapped. **Measurements:** * Return air temperature: 69.0°F. * Supply air temperature: 100.0°F. **Additional Actions:** * Tested the thermostat operation and dusted the thermostat.