Window fans are an effective and efficient way to cool a room, or even your entire home. Invest in a portable window fan to lower your energy costs and stay cool all year long. Enjoy our lightweight and powerful window fans in your home to cool and circulate air, keeping each room filled with fresh air. Try the Air King 16-inch reversible window fan, featuring a powder–coated steel front grill for durability and anti-corrosion properties. Use this fan’s plastic extender panels for a snug fit inside any window frame. The three-speed Air King fan is reversible to bring in cool outside air or dispel uncomfortable air from inside. Invest in a window fan to save hundreds on energy during summer’s heat and humidity. These portable and convenient fans use a fraction of the power that air conditioning units consume daily.