Is there a proper way to vent a bathroom fan out a gable vent?

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Old 02-01-17, 08:51 AM
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Is there a proper way to vent a bathroom fan out a gable vent?

I have read it is acceptableto vent a bathroom exhaust fan out a gable vent, but I cannot find photos how this is done. Most actually show a dryer-type vent installed below a gable vent. This will not work for me. I don't want to have to drill through brick 2 stories up.

Isn't there an acceptable way to mount the vent hose to the back of the gable vent screen?
 
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Old 02-01-17, 09:25 AM
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Isn't there an acceptable way to mount the vent hose to the back of the gable vent screen?
Not that I know of. The gable vent needs to remain fully open.
The typical method would be installing a second hole like you've seen.

Possibly someone passing thru will have a different idea.
 
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Old 02-01-17, 11:44 AM
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If the whole gable [except vent] is brick you might need to have it vent out the roof if cutting a hole thru the brick isn't a viable option.
 
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Old 02-01-17, 11:49 AM
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Can a vent hose be attached to the inside of a gable vent... yes. Is it the proper way... no. The reason is air does not always blow out of a gable vent. Depending on the direction of the wind the air may be blowing in so an exhaust placed there can easily get blown right back into the attic.

The proper way has been mentioned. You can either go through the wall, soffit or roof.
 
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Old 02-02-17, 01:55 AM
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The reason is air does not always blow out of a gable vent
Never thought about that! Makes sense. Probably the reason I could not find videos or photos of such a connection.

I will go through the soffit. Thanks everyone.
 
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Old 02-02-17, 05:25 AM
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I have seen it done. Usually on older homes as a retrofit. It isn't proper but it is better than just letting the vent fan dump directly into the attic. At least with the hose run up to the gable vent the humid air will make it outside sometimes.
 
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