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how do I determine "furnace airflow" ?

by Manage My Life
November 16th, 2011

ok, so I'm a little dense - or maybe a lot...I took out the old greyish filter and ready to replace with a new one, but now don't know which direction to install it. Do I point the arrow AWAY from the furnace, or TOWARDS the furnace?? Am confused about filtering the air flow , does it mean return air going into furnace or warm air going out? Also a secondary question: does the filter still do its job if it goes in backwards?

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Building Supplies
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2 Answers from these members:
Manage My Life
I'm sorry to hear that you are having some difficulties with your.Furnace filter replacement. I did some research for you at Managemylife.com and found an excellent article that may help until your expert can respond to your specific question. The link is attached below. Don't worry we all get confused on this.
by Manage My Life
November 16th, 2011
Answered in 21 minutes
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