Central Air Conditioner Maintenance Checklist

Use the Central Air Conditioner Maintenance Checklist to inspect and clean key components like filters, coils, and refrigerant levels for peak efficiency.

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Property Inspection
Central Air Conditioner Maintenance Checklist

Air Filter & Indoor Air Quality

Indoor Unit & Evaporator Coil

Outdoor Condenser Unit

Refrigerant & Cooling Performance

Electrical & Controls

Drainage & Humidity Control

Seasonal & Preventive Tasks

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Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

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Central Air Conditioner Maintenance Checklist

Use the Central Air Conditioner Maintenance Checklist to inspect and clean key components like filters, coils, and refrigerant levels for peak efficiency.

1. Has the air filter been checked, replaced, or cleaned if dirty?

2. Is the return air grille clean and free of obstructions?

3. Are supply vents open and unobstructed for proper airflow?

4. Are there signs of excessive dust or mold around vents?

1. Is the evaporator coil clean and free of dust or debris?

2. Is the condensate drain pan clear and draining properly?

3. Is the blower assembly clean, balanced, and operating smoothly?

4. Are electrical connections tight and wiring in good condition?

1. Is the condenser coil free of dirt, leaves, and debris?

2. Are the condenser fins straight and undamaged for proper airflow?

3. Is the outdoor unit level and mounted securely on its base?

4. Are shrubs, grass, or other obstructions kept at least two feet away?

1. Has the refrigerant level been checked and adjusted if necessary?

2. Are refrigerant lines insulated properly to prevent energy loss?

3. Does the system start, run, and shut off without unusual noise?

4. Does the air coming from vents feel cool and consistent?

1. Are thermostat settings calibrated and operating correctly?

2. Are contactors, relays, and capacitors inspected for wear or corrosion?

3. Is the circuit breaker labeled and free from tripping during operation?

4. Are safety controls tested to ensure proper function?

1. Is the condensate drain line clear and flushed to prevent clogs?

2. Is the drain trap clean and primed with water?

3. Are there signs of water leaks, standing water, or mold near the indoor unit?

4. Is indoor humidity maintained at a comfortable level?

1. Has the system been professionally serviced at least once this year?

2. Are maintenance tasks logged and documented for warranty and records?

3. Are outdoor covers removed before cooling season and replaced before winter?

4. Have recommendations for repairs or upgrades been reviewed with a technician?