Mechanical ventilators save lives, but they may also be causing hidden damage. A groundbreaking study reveals that the ...

A small air vent, placed low to the gray wall against wooden floor boards. - Douglas Sacha/Getty Images ...

While covering these vents may do a small bit to conserve heat, it may cause a build-up of moisture in your crawlspace that can affect your overall air quality. It's easy to see why people may ...

When a blower motor fails, only a small amount of air will come through the interior vents based on the amount of outside air entering the climate system. If the fan doesn’t work, before ...