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Choosing a Furnace Filter for Allergy Control

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allergy-furnace-filterDust, pollen, pet dander, mold spores, and dust mite feces are some of the most common contaminants that trigger allergies and cause allergic reactions in hypersensitive people. Selecting an appropriate replacement furnace for the heating or air conditioning system may help you cope with most of these problematic allergens. Here we take a look at some of the commonly used furnace filters and discuss characteristics of each in relation to allergy control.

Fiberglass Panel Filters – A Waste of Time and Money

Fiberglass panel filters are not only the least expensive replacement furnace filters made, they are also the least effective when it comes to removing allergy causing contaminants from the air. Fiberglass air filters are constructed simply to catch the largest of airborne dirt and dust particles and they do almost nothing to remove smaller dust and allergen particles. These kinds of air conditioning filters have very low MERV ratings in the 1 to 4 range on the MERV rating chart and are practically useless.

Pleated Furnace Filters – Good to Very Good

Pleated furnace filters are an efficient variety of panel filter that utilizes pleats or folds of filter material to increase it’s surface area. This design change makes it much more efficient at trapping dust particles because a much more efficient filtering material can be utilized. Pleated filters are a huge improvement over disposable fiberglass furnace filters and many such as those available from Nordic Pure are highly recommended for allergy sufferers.

Electrostatic Furnace Filters – Much Better Than Fiberglass Disposables

Electrostatic furnace filters are also relatively efficient and affordable. Electrostatic filters are permanent instead of disposable. Just wash them off using a garden hose or even in a laundry tub. These filters can save you hundreds of dollars because the best ones last for many years. The best electrostatic air filters are made by BoAir. Electrostatic air conditioner filters eliminate a large percentage of contaminants from the air.

HEPA Filters – The Most Efficient Air Filter Available

HEPA air filters are the most efficient replacement air conditioner filters and can remove over ninety nine percent of pollutants from the air. HEPA filters are frequently utilized in hospitals, clean rooms and other places that demand the cleanest air possible. Although not a true hepa filter, the Hepa Pure is one of the most popular filters of this type available for residential use. Before upgrading to this filter you should have an HVAC contractor inspect you system to ensure there will be no problems.



Electronic Furnace Filters – Another Option

Electronic filters are permanent, washable filters which rely on electricity to operate. The main benefit of these filters is they are long lasting. Several designs claim to remove up to 97 percent of contaminants from the air.

Duct Mounted UV Air Cleaners – A Valid Addition to Your Media Furnace Filter

Duct mounted UV air cleaners are often used in addition to traditional furnace filters to provide protection from viruses, bacteria and other organic contaminants that are often found in many homes.

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About the author: Don has been working in the HVAC industry for more than 25 years and shares his experience and knowledge on this site. If you find the information presented here helpful please share with your friends.

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