The High Efficiency Particulate Air, or HEPA, filter, was designed to protect scientists from radiation as they built 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 bigger. This includes pollen, dirt and dust. A HEPA air cleaner with activated carbon filters can trap chemicals, odors and smoke.
These filters have a MERV rating of 1721, depending on the model. This rating demonstrates how successfully a filter can remove pollutants from the air.
Because of their high-efficiency filtration abilities, HEPA filters are thick and can limit airflow. It’s important to ask Neal Harris Service Experts Heating, Air Conditioning & Plumbing to confirm your heating and cooling system can run with one.
Media air cleaners are denser than basic air filters. They’re often four to five times wider—or more. This barrier mounts tightly against your HVAC unit.
Because its functional surface is usually around 10 inches, media filters are able to trap about 95 percent of particulates.
These filters last longer too, commonly 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 material to catch particles. These washable filters are 97 percent effective at extracting tiny particles from your home’s air. Plus, they’re also 30 times more effective than everyday filters.
An electronic air cleaner applies 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 decrease ozone, a known lung irritant, created elsewhere in your home.