Filters with higher merv ratings trap small particles more effectively than filters with lower merv ratings.
Furnace filter ranking.
These filter out enough of the large particles to protect the furnace while providing maximum airflow.
How furnace filters are rated.
The vast majority of disposable furnace filters are rated according to the merv scale minimum efficiency reporting value created by the american society of heating refrigerating and air conditioning engineers.
The higher the number the finer the filter so the more particles it traps.
One of the best furnace filters for cigarette smoke is the nordic pure pleated ac furnace air filter which boasts a high merv rating and rave reviews.
Furnace manufacturers prefer the traditional spun fiberglass ac filters merv 2.
So here is my list of the 10 best furnace filters.
An air filter s minimum efficiency reporting value merv rating measures how effectively the filter stops dust and other contaminants from passing through the filter and into the air stream.
Home depot uses its own rating system on a scale of 1 to 10 called the filter performance rating.
Features a merv rating of 10 minimum efficiency reporting.
The minimum efficiency reporting value merv scale goes from 1 to 16.
The higher the number the better it filters.
Honeywell fc100a1037 ultra efficiency 4 furnace filters.
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.
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.
Furnace filters are sold at home centers.
The merv rating was created by ashrae as a rating system for filters and measure the size of debris that can pass through a filter at the micron level.
Most residential filters range from 4 to 12.
There are a wide variety of sizes to choose from with this filter which has a merv rating of 13 the highest tier on the scale.
There are two main ways filters are rated with the merv rating and mpr rating.
