How to Clean a Window Air Conditioner

Cleaning a window air conditioner is essential to its continued efficiency and to its providing you with years of dependable service. The following steps offer you the necessary information to perform this cleaning.

Step 1 – Seasonal Cleaning

Autumn, when you remove your air conditioner for winter storage, is the best time to clean your air conditioner.

Step 2 – Remove the Filter

The first thing you will want to do when cleaning your air conditioner is to remove the filter. Then, remove all dust and dirt from the filter with soapy water.

Step 3 – Vacuum the Fins

Located behind the filter are the fins of the evaporator coil. With the hose attachment of your vacuum, vacuum these fins.

Step 4 – Clean the Condenser Coil

Set your air conditioner on the patio or lawn. Cover the air conditioner's motor with a plastic bag. Using a spray nozzle attached to your hose, spray the condenser coil to remove dust and dirt.

Step 5 – Wipe and Dry

Wipe off all water from your unit with a dry, absorbent cloth. Before storing, let the unit sit outside in a sunny spot for 1 or 2 days.