Today I arrived on site and performed a winter tune-up on the whole-home system. Here's a summary of the work completed: **Indoor Unit (Garage, Attic):** * Checked the pleated 2-6" filter (SG600) and noted its condition as fair. * Observed the indoor coil in fair condition. **Outdoor Unit (Side of House):** * Observed the outdoor coil in fair condition. **Electrical Components:** * Verified proper operation of the blower motor, condenser fan motor, compressor, blower run capacitor, compressor run capacitor, fan run capacitor, compressor start capacitor, contactor, and electrical wiring. **System Components:** * Confirmed the blower wheel, secondary drain pan, primary drain pan, and electrical wires are secured and in good working order. **Condensate Drain System:** * Cleared the drain line. * Cleaned out the primary and secondary pans. * Tested the safety switch. **Measurements:** * Recorded a return air temperature of 71.0°F and a supply air temperature of 110.