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[ARCHIVED THREAD] - What does this do ? Pic inside

Posted: 12/13/2010 6:31:33 AM EDT

What does this do?

You see them at walmart SAMs in this case when the doors opens the fan kicks on. Why? What does this do?

I will post. Blow air before some smart ass does ;)

Posted: 12/13/2010 6:32:17 AM EDT

[#1]

That is an Air Curtain...I am serious. Google it.

ETA: In case you do not want to google it...

It keeps the air trapped inside in the building hence an air curtain. When many people go in and out of a building it helps keep the inside AC regulated. The air curtain blocks the AC air from leaving the building.

Posted: 12/13/2010 6:33:04 AM EDT

[#2]

HEB has one here now, too. What does it do? Make me mad and mess up my hair are all I have.

Posted: 12/13/2010 6:33:20 AM EDT

[#3]

Quoted:
That is an Air Curtain...I am serious. Google it.

Ah, keep the warm/cool air in and the outside air out??

Posted: 12/13/2010 6:33:29 AM EDT

[#4]

Quoted:

That is an Air Curtain...I am serious. Google it.

This.

They use them on a lot of "garage doors."

Posted: 12/13/2010 6:33:38 AM EDT

[#5]

first post and all that
air curtain or air barrier.

Posted: 12/13/2010 6:34:27 AM EDT

[#6]

keeps flys, nats, ect from flying in

Posted: 12/13/2010 6:38:19 AM EDT

[#7]

http://en.wikipedia.org/wiki/Air_door

i always imagined i was being disinfected from the walmart germs when I walked out...

i like my idea better ,,

[ARCHIVED THREAD] - What does this do ? Pic inside

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[ARCHIVED THREAD] - What does this do ? Pic inside

[ARCHIVED THREAD] - What does this do ? Pic inside