An air filter on a home air conditioning and furnace unit requires changing on a regular basis. The filter is a key part of the performance of the unit to keep the cool or warm air flowing freely. A ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. Given that the average person in the U.S. spends 90% of their time inside, indoor air quality can have a significant impact on ...

Many office buildings, residential homes and apartments have an air conditioning system. This could be anything from a portable unit, a wall-mounted unit or an HVAC system. Air conditioners come with ...

Even in the warmer months of the year, you should regularly monitor your furnace filter's condition -- and replace it as needed -- to keep your family safe and your furnace in good working condition.

Window air conditioners are typically used in apartment buildings and older homes without central air. Most people install it in their window, plug it in, and forget it, but at some point that “filter ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

When news breaks, you need to understand what actually matters. At Vox, our mission is to help you make sense of the world — and that work has never been more vital. But we can’t do it on our own. We ...