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 ...

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 ...

Every year when I pull my air conditioner out of storage and reinstall it, I'm worried about whether my window unit managed to survive the colder months. This year when I turned it on, I was worried ...