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Air Conditioner Maintenance Checklist

Conduct maintenance on central air conditioner units at least once a year, preferably before its use in the Spring. Make sure all electrical connections are intact, lubricate moving parts, and replace air filters as needed. Keep cooling systems up and running in commercial and residential buildings with this air conditioner maintenance checklist.

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Air Conditioner Maintenance Checklist


Air Conditioner check

Check and adjust thermostat.
Check the condenser coil to determine if it needs cleaning.
Check all wiring and electrical connections to controls.
Check blower belt wear, tension, & adjust.
Check voltage & amperage draw on all motors with a meter.
Check compressor contactor.
Visually inspect compressor and check amp draw.
Check start capacitor & potential relay.
Check pressure switch cut-out setting.
Replace air filter or clean reusable type filter.
Install gauges & check operating pressures.
Check refrigerant (freon) level and advise if adjustments are necessary.
Check condensate drain and pan then report any discrepancies.
Check expansion valve & coil temperatures.
Lubricate parts as needed.
Check evaporator coil and clean if dirty.


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The Importance of an Air Conditioner Maintenance Checklist

Air conditioners are essential for staying comfortable during the hot summer months. However, without proper maintenance, they can become less efficient, break down, or even pose health risks. That's why it's important to have an air conditioner maintenance checklist.

An air conditioner maintenance checklist is a tool for ensuring that your air conditioner is functioning properly and safely. It includes tasks such as checking and changing air filters, inspecting and cleaning coils and fans, and ensuring proper drainage and refrigerant levels.

By regularly performing these tasks and documenting them on the checklist, you can identify potential issues before they become major problems. This can help you avoid costly repairs or replacements and ensure that your air conditioner is functioning efficiently and safely.

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