Today I arrived on site and performed a summer time tune up on the system. Here's a summary of the work completed: **Filtration:** * Replaced the pleated 1" filter with a spare 20x25 filter provided by the customer. **Electrical Components (Tested & Working):** * Verified proper operation and amperage of the blower motor, condenser fan motor, compressor, blower run capacitor, compressor run capacitor, fan run capacitor, compressor start capacitor, contactor, and electrical wiring. **Components (Inspected & Working):** * Confirmed the blower wheel, secondary drain pan, primary drain pan, and electrical wires were secured and in good condition. **Condensate Drain System:** * Cleared the drain line. * Cleaned out the secondary pan and primary pan. * Tested the safety switch. **Other:** * Dusted the thermostat. * Restored power to the units. * Tested thermostat operation. **Measurements:** * Return air temperature: 74.0°F. * Supply air temperature: 56.0°F.