A window air conditioner is a practical and cost-effective way to control your indoor climate. These compact units are reliable and effective, all while using less energy usage than models built ...

Getty Images You'll see the air filter when the grille cover is removed, though, in some units, the filter is housed in the grille cover itself. Remove the air filter from either the unit or the ...

An air conditioner is great to keep you cool during warmer months. But for it to cool efficiently, you have to keep it clean. Taylor Freitas is a freelance writer and has contributed to ...

A filthy fan or air conditioner is not only less efficient ... a former sales and marketing manager at HD Air. Vacuum the AC filter at least once a month. Photo: Alejandra Matos Most air ...