Furnace Filters
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What is a furnace filter used for?
A furnace filter is used to improve air quality in your home
and protect the blower motor and mechanical parts in the furnace.
Some particles in the air don't disappear from your regular cleaning
routine. These particles include pollen, mold spores, bacteria and
more. These particles vary in size but are often so small that they
will not be filtered out by your respiratory defense mechanisms.
This can lead to several health issues such as lung dysfunction,
cancer, allergies, infectious disease, and minor issues such as
eye irritation. The best way to reduce the particles in your home
is get use air filters/furnace filters. There are several types
of filters on the market. Some are made from fiberglass, metal or
natural fibers. Always follow the instructions that come with the
filter you choose. Electronic Filters need to be cleaned and maintained
on a regular basis to maintain the maximum efficiency level.
Washable and reusable furnace filters
These types of filters are not as effective as an (electronic) xxx-
You will also find that they are somewhat difficult to clean which
ultimately impairs airflow and makes them less effective.
What about an electronic air cleaner?
Electronic air cleaners are rather expensive but they do provide
the most thorough cleaning of the air in your home. An electronic
air cleaner must be cleaned at least monthly to maintain effectivity.
Changing filters
A furnace filter should be changed once every 3 months. Under
circumstances that lead to increased amount of particles in your
home frequent change of filters is recommended. These circumstance
include having several pets or if you are renovating your home.
If you don't change the filter often enough it may become clogged.
This will reduce airflow and likely damage the furnace.
High effeciency filters vs. standard fiberglass filters
The cheap fiberglass filters are just for protecting your furnace
whereas the more expensive high effeciency filters will also clean
the air in your home.
What about HEPA Filters?
HEPA filters (HEPA stands for High
Efficiency Particulate Arrestance) are not typically used in furnace
filters. Although very good at capturing small particles A HEPA
filter is ineffetive when it comes to airflow.
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