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HVAC Maintenance Checklist
Air Handling Unit Inspection
Check and replace air filters if necessary.
Inspect and clean the blower assembly, including the blower wheel.
Examine the belt for wear and tension; replace or adjust as necessary.
Ensure all electrical connections are tight and components are operational.
Test the thermostat and control systems for proper operation.
Refrigerant System Maintenance
Inspect refrigerant lines for leaks or damage.
Check refrigerant levels and recharge if necessary.
Clean and inspect condenser and evaporator coils.
Ensure proper operation of the expansion valve.
Monitor system pressures and temperatures for efficiency.
Ventilation and Ductwork
Inspect ductwork for leaks, damage, and proper insulation.
Clean and inspect air vents and diffusers.
Verify that dampers are operating correctly and not obstructed.
Ensure that exhaust fans are working and free of debris.
Check airflow balance and adjust if necessary to meet specifications.
Heating System Check
Inspect the heat exchanger for cracks or signs of wear.
Test the ignition system for proper operation and efficiency.
Examine burner assembly and clean as needed.
Verify operation of safety controls and limit switches.
Check for proper venting and exhaust system function.
