Types of Filters in a Forced Air System

Filters in a Forced Air System

Filter should be clean to keep your system running as efficiently as possible.  There are three types of filters:

  1. Disposable: These have a cardboard frame and a spun fiber filter.  Throw them out when they are dirty and replace. These can be bought at hardware stores or online.
  2. Washable: These are usually made with a plastic frame and have a mesh filter.  Remove the filter and handwash in a tub with household detergent.
  3. Electrostatic: This type of filter is installed near the furnace or air handler.  It has a metal frame with a metal mesh filter. These should be cleaned per the manufacturer’s instructions.

Source – Peco.com

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