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Sam Morris
05-04-2011, 05:05 AM
1st time in ever seeing the return air for the entire house located in the bathroom. Is this acceptable by code??? Thank You
John Arnold
05-04-2011, 05:15 AM
Not acceptable, no. In the 2006 IRC it's M1602.2 Prohibited Sources.

No returns allowed in bathrooms.
Robert Foster
05-04-2011, 07:59 AM
I'm curious...is there reasoning behind that other than the obvious...room too small, frequently closed, moisture, proximity to exhaust fan/duct, introduction of flatulence into the public rooms.... ?
Fred Weck
05-05-2011, 08:53 AM
Hairspray and other aerosols can damage the heat exchanger in the furnace is what I was taught.
Don Burbach
05-05-2011, 09:13 AM
Hairspray and other aerosols can damage the heat exchanger in the furnace is what I was taught.

I think its the 'other aerosols'!
Rod Butler
05-06-2011, 06:47 AM
I think its the 'other aerosols'!

Exactly! :D

It would appear to be common scents.