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Old 05-15-2012, 05:09 AM   #1
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ERV - Do you still need bathroom vents?


With an ERV system. Do you still need to run bathroom vents through the roof or can you rely on the ERV to do the venting?

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Old 05-15-2012, 07:26 AM   #2
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ERV - Do you still need bathroom vents?


That would be a hard question. I would imagine that if the humidity level in the bath after a long hot shower was high enough, that the ERV is not removing it quick enough, you may need to add extra venting for that bath.

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Old 05-15-2012, 04:26 PM   #3
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ERV - Do you still need bathroom vents?


You don't need additional venting for the bathroom if your using an ERV/HRV to vent it.
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Old 05-16-2012, 05:28 AM   #4
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ERV - Do you still need bathroom vents?


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Originally Posted by beenthere View Post
You don't need additional venting for the bathroom if your using an ERV/HRV to vent it.
That is what I was told, just wanted to verify.

I have been told that with an ERV setup it would eliminate the need for separate bathroom vent fans. As the forced air system, tied with the ERV, would utilize the main supply and return lines as the ERV lines. The ERV went remove humidity and replace the air in that area on a constant basis.

I prefer to NOT have to poke holes in my roof and run bathroom vents. That method seems "archaic" to me, there has to be a better way to remove humid and stale air from those areas, and an ERV setup would meet that need.
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Old 05-16-2012, 05:32 AM   #5
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ERV - Do you still need bathroom vents?


Ya. All you need to do is make sure the ERV is set up to run long enough if someone is taking a real long hot shower.
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