Proper HVAC filtration is at the heart of indoor air quality and provides an important service in keeping indoor environments clean and free from the dust and particulates that may reduce product ...

Venting rules change with efficiency — and mixing them up can lead to moisture buildup, heat exchanger damage, and dangerous combustion issues.

Air filters play an essential role in the overall air quality in your home, and help improve the efficiency of heating and cooling systems. They trap dust, pet dander, pollen, and other airborne ...

Changing a furnace filter regularly will improve your heating in the winter and your air conditioning in the summer.

Q: Can you tell me why it is so important to install the air conditioner filter in a certain direction? What harm, if any, does it do if it's backwards? My husband always puts it in backwards. — Nancy ...

Adapt your ductwork design to ensure adequate system airflow for homeowners who intend to use their blower filter as a ...

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 ...