High efficiency air filters are a cost effective way to help improve indoor air quality which may be beneficial to family members sensitive to allergens and other particles in the air.
Best high efficiency air filter.
If you choose a purifier with a hepa filter or high efficiency particulate air filter it should remove about 99 96 percent of all airborne particles but there are other kinds of air purifiers.
Furnace efficiency is one thing.
Finding the best hvac air filters for home for most homeowners a more expensive merv 7 or 8 pleated filter provides a good balance between cost and filtration efficiency.
Fitting a furnace with an electrostatic filter which uses an electrical charge to help trap particles or a high efficiency particulate air hepa filter can reduce the amount of dust blown.
These filters trap 80 to 95 percent of the particles 5 microns and larger more than enough filtration for most households.