An annual inspection allows a technician to identify dirty coils and burned out contactors before they cause long term damage to your system.
Maintenance checklist
Many dealers provide priority service for their customers who have an annual maintenance or service agreement. Bi-annual preventative maintenance will ensure that your system runs as efficiently as possible. Your local dealer will perform the following tasks, depending on the unit:
Outdoor Units
Inspect unit for proper refrigerant level and adjust if necessary
Clean dirt, leaves, and debris from inside cabinet
Inspect base pan for restricted drain openings—remove obstructions as necessary
Inspect coil and cabinet—clean as needed
Inspect fan motor and fan blades for wear and damage—on older models, lubricate as needed
Indoor Units
Inspect and clean blower assembly (includes blower housing, blower wheel and motor)
On older models, lubricate motor and inspect and replace fan belt if needed
Check combustion blower housing for lint and debris and clean as necessary
Inspect evaporator coil, drain pan and condensate drain lines. Clean as needed.
Inspect for gas leaks in gas furnaces
Inspect burner assembly—clean and adjust as needed.
Inspect control box, associated controls, wiring, and connections
Clean or replace air filters
Inspect conditioned airflow system (ductwork)—check for leaks
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