Today, I arrived on site to perform maintenance on the HVAC system. Overall Equipment Condition: fair. Indoor Unit Details: Located in the attic as an air handler. Services the whole home. Filtration system uses a pleated 1" filter. Checked filter size of 14x20x1; customer has spare filters but prefers to replace them independently. Indoor coil condition is fair and clean. Outdoor Unit Details: Heat pump located in the back yard. Outdoor coil condition is good and clean. Electrical Components: All tested components are functioning properly within manufacturer specifications: Blower Motor Heat Strip Kit Condenser Fan Motor Compressor Compressor Run Capacitor Fan Run Capacitor Compressor Start Capacitor Contactor Electrical Wiring System Inspection: Inspected components in good condition: Blower Wheel Secondary Drain Pan Primary Drain Pan Electrical wires secured No components were found in poor condition. Temperature Readings: Return air temperature: 74.0°F Supply air temperature: