Our cooling inspection and maintenance checklist includes:
Replace a standard 1-inch air filter.
Inspect the outdoor condenser coil for dirt and debris, and clean as needed.
Inspect the accessible indoor evaporator coil for buildup and performance concerns.
Inspect and clear condensate drain lines.
Inspect indoor and outdoor electrical connections and components, tightening as needed.
Test motors, controls and safety switches.
Inspect the outdoor fan blade and motor for rotation, balance, unusual noise or vibration.
Verify indoor blower settings and airflow.
Measure electrical operating readings on motors and the compressor.
Check refrigerant operating pressures and system performance.
Verify equipment disconnects and breaker sizing are appropriate.
Inspect accessible HVAC components for visible safety, installation or code concerns.
Check overall system operation and explain recommended repairs or additional maintenance.