How often should I clean the air filters?

The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often if necessary. Clean the filter with a vacuum or warm, soapy water, and after washing with water, dry well in the shade before reinstalling.

From the official LG L3 L3UC482FA0 Air Conditioner manual, page 21

Have a follow-up question?

Answers from the official manual.

Common questions