How to Change the Filter on a Goodman Gas Furnace

Keep your Goodman gas furnace running efficiently first and foremost by replacing the filter on a regular basis. According to "Insulate & Weatherize," you should stay away from "permanent" filters that you wash and reuse; those filters actually tend to provide more resistance to air movement, reducing energy efficiency. Instead, go for the cardboard-framed disposable filters. Replace the filter on a Goodman furnace every month or so, especially during the hottest and coldest times of the year.

Vacuum cleaner
Replacement filter

Instructions

- 1
  Turn off your Goodman gas furnace. Locate the filter access door, which varies by unit.
- 2
  Open the access door by pulling it toward you, which will reveal the filter.
- 3
  Carefully pull out the filter by hand. You may have to nudge it a bit, as it may be fitting snugly inside the unit. Be gentle so you do not rip the cardboard. Dispose of the old filter by simply throwing it into the garbage.
- 4
  Vacuum any dust that has fallen onto the floor. Also try to vacuum out the filter housing on your furnace.
- 5
  Slide in the replacement filter in the same position as the old filter. Close the access door, and turn on the furnace again.

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