Air Filter Air Flow Rating

If we were looking to buy a new filter today for our hvac heating ventilation and air conditioning system we d aim for a medium efficiency filter with a merv rating in the 8 to 13 range which.

Air filter air flow rating. A merv rating indicates a score from 1 to 16 for residential air filters sold in the united states and 17 to 20 for commercial air filters. Our recommended models are the best at filtering dust pollen and smoke from the air without impeding the flow of air. The other two systems were created by 3m mpr and the home depot fpr to differentiate their offerings. Fpr ratings are on a scale from 4 through 10.

Merv is the minimum efficiency reporting value which is the scale designed by the american society of heating refrigerating and air conditioning engineers ashrae to rate the effectiveness of air filters. An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter. The filtrete ultra allergen reduction 1500 mpr filter earns a very good rating for removing smoke dust and pollen from the air with the system running on a high fan speed but is only. Filters with higher merv ratings trap small particles more effectively than filters with lower merv ratings.

This static charge makes them better at catching small particles that pass through them. Basically the higher merv rating indicates higher filtering performance. The scale rates how well a filter removes fine particulates from the incoming air. Air filter merv rating table.

Most air filters are 1 inch thick but some systems can accommodate filters. Nordic pure 16x20x1 merv 10 pleated ac furnace air filters 6 pack 6 pack 6 pack. Merv rating 8 12 electrostatic filters clean the air since they become positively charged from static electricity. A merv 11 filter is appropriate for homes with pets or people with allergies because it picks up most allergens including pet dander.

The higher the merv rating the more particles the filter will remove. A filter with a merv 8 rating for instance is a good everyday filter and will remove large particulates from the air and protect your hvac unit from the damage that unfiltered air can cause. Conversely a high merv rating indicates that the filter does a good job of removing particulates from the air.