Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...

Use this mainly as a quick gut check, not a precise test. “The two‑minute light test is a good go or no‑go check,” says Kerr, ...

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 ...

Help reduce energy consumption by choosing the Air Handler® MERV 10 high-capacity filter. A lower pressure drop means your motor works less to maintain the required airflow. This synthetic filter is 5 ...

Deployed in conjunction with a compatible smart thermostat, the Woosh Air Smart Air Filter bundle works with your HVAC system to keep your home’s indoor air cleaner and healthier to breathe. The Woosh ...

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 ...

There's an old saying about water, shared among health-conscious people: If you are not drinking filtered water, then you are the filter. When you apply that proposition to the air circulating through ...

Measuring total external static pressure (TESP) on an air handler can be confusing. It’s even worse when you’re the one who is adding to the confusion. A recent email from Judy Rachel, with Home ...