[Greenbuilding] [BULK] Bathroom Fan

[Lawrence Lile]

Can the bath exhaust fan ventilate *through* the HRV exhaust duct?  Is there enough umph in the HRV exhaust fan to pull it, or would a booster fan help?  This would allow the HRV to balance the energy lost in bath exhaust air with fresh air.



> -----Original Message-----
> From: greenbuilding-bounces at listserv.repp.org [mailto:greenbuilding-
> bounces at listserv.repp.org] On Behalf Of Stewart Abbey
> Sent: Wednesday, April 30, 2008 4:59 PM
> To: Greenbuilding at listserv.repp.org
> Subject: [BULK] [Greenbuilding] Bathroom Fan
> Importance: Low
>
> We are at the rough-in stage in our new construction.
> We will be installing a HRV.  I was planning to install an exhaust fan
> in our master bath as well as the HRV.  Following previous posts on
> this subject,   an exhaust fan seemed to be recommended by several
> people on the list.  I have two choices for the exhaust fan, through
> the ceiling  (and vapor barrier) into the attic and out the soffit or
> gable end wall which faces the prevailing wind.  8-10 feet of duct this
> way.
> The second way is to exit thru the end wall of the bathroom leading to
> an upper corner in the master clauset, then then directly out a
> sheltered exterior wall.
> I like the wall exit approach best, my old school builder and
> electrician say the attic route is better as the fan will be in the
> center of the room. The wall fan will be very close to the HRV
> exhaust. Anyone have any advice?
> Stewart Abbey
>
>
>
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