When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. In our tests, we gauge how well ...

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 ...

Daily air purifier use helps support cleaner air, which can lead to allergy relief, better heart and lung health, and other benefits to your health.

Engine air filters are a necessity for your vehicle. All internal combustion engines need air to run, and engine air filters let air into the engine while keeping out dirt, dust, and other particulate ...

If you have asthma symptoms, an air filter or room air cleaner may help you to breathe better. The same is true for those with hay fever (allergic rhinitis) or COPD (emphysema or chronic bronchitis).