The High Efficiency Particulate Air, or HEPA, filter, was designed to shield scientists from radiation as they developed an atomic bomb during World War II. Today these filters are often used in hospitals, science labs and even homes.
HEPA filters are rated to extract 99.97 to 99.99% of particles measuring 0.3 microns and larger. This includes pollen, dirt and dust. A HEPA air cleaner with activated carbon filters can capture chemicals, odors and smoke.
These filters have a MERV rating of 1721, depending on the model. This rating indicates how well a filter can clear pollutants from the air.
Because of their high-efficiency filtration abilities, HEPA filters are deep and can reduce airflow. It’s important to ask Chief/Bauer Service Experts to verify your heating and cooling system can handle one.
Media air cleaners are denser than common air filters. They’re often four to five times wider—or more. This barrier attaches snugly against your HVAC equipment.
Because its active surface is usually around 10 inches, media filters are able to capture about 95 percent of particulates.
These filters stay fresher longer too, typically between three to six months.
There are a couple of electronic filtering systems you can use in your home.
An electrostatic filter uses magnetically charged components to attract. These washable filters are 97 percent effective at removing tiny particles from your home’s air. Plus, they’re also 30 times more effective than regular filters.
An electronic air cleaner uses a high-voltage magnetic charge to capture particles.
Some can erase the majority of indoor air pollutants—particles, germs, bacteria, chemical odors and vapors—by up to 99.9 percent. And reduce ozone, a known lung irritant, produced elsewhere in your home.