Allergy Free Air Filters

Written by Norene Anderson
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Allergy free air filters are no longer a dream. They really do exist. You can turn your home into an allergy-free zone with the right filters. A forced air heating and cooling system must have the highest MERV rated filter the unit can support. The ASHRAE sets the rating based on the amount and size of particles the filter will capture. A MERV 12 rating is the highest offered for in-home filters.

If the home is not air tight, it may be necessary to add freestanding units with the allergy free air filters to support the efforts of the central unit. Room size units can be purchased to cover any amount of square feet. The important thing to consider is the type of allergens to be targeted. If smoke is the offender, it will take a different type of air cleaner and filter than removing pollen or mold.

Allergy Free Air Filters Are Great

The pleated allergy free air filters are especially effective in trapping and holding the particles. It is more difficult for them to be pulled through with the air simply because of the accordion-type folds. Air can maneuver where particles cannot go. The entrapment varies according to the level of porous material of the filter.

It is important to pay close attention to the condition of the filters. To avoid leaving a filter in too long, replacement should be on a set schedule. If the filter becomes full, it will impede the flow of air and place stress on the heating or cooling unit. Most filters are good for two or three months. Always abide by the manufacturer guidelines.


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