An air conditioner unit leaking water in the house can damage the walls and flooring. Often, the cause is as simple as a clogged drain line or a dirty air filter—repairs you can do yourself. Learn why ...

Keep the air conditioner free of moisture buildup to prevent mold and mildew from growing. Regularly clean the filter, drain pan, drain line, and coils to remove any mold or mildew. Fully clean, dry, ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Cassidy was an updates editor whose main responsibility is to write and edit ...

The days are getting warmer, and if you're already thinking about ways to stay cool, now is the perfect time to get your window air conditioner summer-ready. Prepping it before the real heat kicks in ...