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Furnace Filters

What's a Furnace Filter?

Every furnace has a filter. The furnace filter helps remove dirt and dust from the air in order to improve the air quality in your home. The filter must be changed periodically in order to keep the furnace working properly.

How often does the filter need to be replaced?

Most furnace filters are disposable. There is no exact science on choosing the perfect time to change out the filter. However, it is important to follow the guidelines provided by the manufacturer of your particular furnace.

Determining how often you need to replace the filter is dependent on a number of factors, including:

- Type of furnace

- Type of filter

- How often the furnace is used

- Number of puts (if any)

- Presence of tobacco smoke

- Condition of duct work

- Family members with allergies

- Type of flooring

- Size of the filter

Keep Reading: Furnace Installation Prices

Types of Filters

There are many different types of filters with varying degrees of efficiency. You should choose a filter according to the instructions provided by your furnace manufacturer. While some high-efficiency filters are able to remove microscopic bacteria, other filters can only remove large dust particles. There are four basic types of filters to choose from:

1) Fiberglass Filter

- Most basic type of filter
- Very affordable
- Disposable
- Captures large particles

2) Pleated Filter

- Most commonly installed filter
- Affordable
- Typically have larger surface area
- Come in disposable and permanent styles
- Can remove larger particles

3) Electrostatic Filter

- More expensive
- High efficiency (can remove bacteria, mold spores, etc.)
- Uses charged fibers to remove small and large particles
- Permanent and disposable options

Learn More:

[+] Furnace Filter Efficiency

[+] What is a Forced Air Heating System?

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About the Author

ProMatcher Staff, ProMatcher
Orlando, FL 32803

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