The High Efficiency Particulate Air, or HEPA, filter, was designed to keep scientists safe from radiation as they worked on an atomic bomb during World War II. Today these filters are regularly used in hospitals, science labs and even homes.
HEPA filters are rated to remove 99.97 to 99.99% of particles measuring 0.3 microns and greater. This includes pollen, dirt and dust. A HEPA air cleaner with activated carbon filters can catch chemicals, odors and smoke.
These filters have a MERV rating of 1721, depending on the model. This rating demonstrates how successfully a filter can clear pollutants from the air.
Because of their high-efficiency filtration performance, HEPA filters are deep and can restrict airflow. It’s important to ask Comfort Masters Service Experts Heating & Air Conditioning to confirm your heating and cooling system can work with one.
Media air cleaners are much thicker than basic air filters. They’re often four to five times wider—or more. This barrier mounts snugly against your HVAC unit.
Because its active surface is usually around 10 inches, media filters are able to trap 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 install in your home.
An electrostatic filter uses magnetically charged substance to attract. These washable filters are 97 percent effective at clearing 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 trap particles.
Some can eliminate 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, made elsewhere in your home.