You can dust away from your tower fan with these simple steps: Step 1: Turn the fan off and then unplug it. Prevent the blades of the fan from moving while you are working on it. Step 2: Now utilize the vacuum brush attachment or dust the brush to clean the grill of the tower fan. Step 3: Now, you have to blow the compressed air into the vent to dislodge the dust. Step 4: Next, you can turn on the fan again, and check if it is working well or not.