Home depot uses its own rating system on a scale of 1 to 10 called the filter performance rating.
Best furnace filters for home use.
While fpr s rating system goes from 1 to 10 merv s rating system goes from 1 to 20.
This is the furnace filter of filtrete having micro allergen defense and 2 pack is excellent for the dust of your house.
The best filters have an mpr between 1 500 and 1 900.
These filter out enough of the large particles to protect the furnace while providing maximum airflow.
Honeywell elite allergen pleated fpr 10 replacement air filter.
Furnace manufacturers prefer the traditional spun fiberglass ac filters merv 2.
Buy on home depot.
The higher the number the better it.
This highly rated filter has the highest fpr possible and comes in a wide range of sizes fitting most all furnaces.
Compared to the home depot s method of ranking air filters fpr merv has wider range.
Most people go with a merv 8 filter.
An electrostatically charged filter is better than a standard pleated filter with many contaminants and they re recommended for homes with allergy sufferers smokers or pets.
Maintaining the furnace manufacturer s specified airflow is critical to achieving energy efficiency and maximum life from the blower motor and heat exchanger.
Many furnace filter manufacturers now use the expression electrostatic in their product descriptions.
Let it dry out first duh over time the disposables cost more than the washable plus the cost of disposing and landfill issues.
If your family has a member with asthma aprilaire merv 13 furnace filter is the best choice for your family.
If you want higher filtration spend less money have a more environmentally friendly home use a washable filter clean it every 4 6 weeks and let it dry before you put it back in place.
Most residential areas can remove contaminants with merv 8 to 13 while most hospitals use merv 14 to 20.