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What maintenance can include
The exact checklist depends on equipment type, condition and access. Maintenance focuses on the components that affect airflow, heat transfer, drainage, controls and safe operation.
- Filter inspection, cleaning or replacement as applicable
- Accessible coil and cabinet inspection
- Condensate drain and pump checks
- Visible electrical connection and component review
- Operating-mode, thermostat and remote-control checks
- Outdoor-unit condition and airflow review