Box fans in windows can keep your home cool at a lower cost than AC if you face them in the right directions. Here's what to know this summer.

Box fans While many people use a box fan to blow air directly on their skin to help keep them cool, that’s not the best use for it. Ideally, a box fan should be placed in — or at least near ...

Gather materials. You will need a 20x20 inch box fan, four Merv-13 20x20 inch filters (Merv-12 and Merv-11 are also effective), two 20x20 inch cardboard sheets and duct tape.

Converting a box fan to a cheap, effective air purifier is easier than you might think. Here's what you will need, how to do it, and what mistakes to avoid.

Air circulator vs. box fan Fans are designed to move air. However, the particular way that each type of fan moves that air is what makes it unique. The main difference between air circulator fans a… ...