[Greenbuilding] Bathroom Fan

[Ted Inoue]

How about the Panasonic through the wall fan?
http://www.energyfederation.org/consumer/default.php/cPath/30_426

Frankly, I'm not sure why you wouldn't just use the HRV. I've heard some
arguments against doing so, but I've done this for the last couple years and
it's worked great. No thinking about turning the fan on/off, it just does
its thing. And it's balanced, so you're not sucking in unconditioned air
etc.

Additionally, putting an HRV return in the bathroom and having a fan is
asking for the HRV to suck air in through the fan when the fan isn't
operating. None of those dampers seems to work really well to prevent this.

On Wed, Apr 30, 2008 at 5:59 PM, Stewart Abbey <stewabbey at yahoo.ca> wrote:

> 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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