Whole House Fans, WAS: Re: Re: Airconditioning

["Stuart Grimshaw" <stuart@xxxxxxxxxxxxxxxx>]

On Mon, 07 Jun 2004 12:09:20 -0000, David Buckley <db@xxxxxxx> wrote:

> --- In ukha_d@xxxxxxx, "Stuart Grimshaw" <stuart@s...>
wrote:
>> A few weeks ago, Phil posted a method for cooling his node0
>> by installing a fan at the top, to encourage air flow, and
>> simple convection cooled the cabinet by a couple of degrees.
>>
>> Do you think that this could be scaled up to a full room? Would
>> a fan in the ceiling, drawing air into the loft be enough to
>> lower the temperature of a 12x8 room by say 1 degree to make
>> it more comfortable?
>
> This technique is widely used - do a google search for "whole
house
> fan", with the quotes to keep the number of hits down :-)
>
> One of the most effective use of whole house fans is when you have a
> climate that is hot by day, cool by night, and house that has a lot
> of thermal capacity.  The large thermal mass limits the rate of heat
> rise during the day.   The whole house fan is then run overnight to
> bring in cooler air, and flush out the structure and attic heat.
>

That made intersting lunchtime reading David, and is quite an interesting
idea.

I wonder if the principles would work scaled down, ie just have a fan in
the cieling of each room, I wonder if enough airflow could be created ... ?

--
-S