[permaculture-oceania] Trombe walls

[Graeme George - Earthcare Permaculture]

I'm surprised to find that we're not all talking the same language here. 
I've always known them as Trombe Walls (Michel-Trombe actuallly). The 
Designers Manual lists trombe wall in the index, but there's no mention 
of them on the page cited and I can't l;ocate the text where they are 
mentioned. Wikipedia has a good description and history. I've never 
heard them referred to as Solar Box Collectors, that must be a NSW term. 
That is their function, but the warm air is collected on the outside and 
vented into the house from the top of the collector to be replaced by 
cooler air drawn in from the house at the bottom of the unit, setting up 
a convection current. There's a good demo unit operating at the 
retrofitted house at CERES in Brunswick, Victoria.

Graeme (Healesville, Victoria).

P Ferguson wrote:
> Re heat collectors Pat, are you thinking of a trombe wall?
>
>     Kerry Dawborn
>
>      
>
>     No. trombe walls are  USUALLY INSIDE the building storing heat
>     from big windows, and sometimes  they are filled with water.
>
>      
>
>     Robyn answered th question. 
>
>     Those angled black things under a window are apparently called
>     solar box collectors.
>
>      
>
>     ------------------------------------------------------------------------
>
>      
>
>      I wrote:
>
>     Can anyone recall what those heat collectors were called in the
>     early days of solar energy?  Set at an angle below a window, they
>     collected heat and it flowed into the room behind, and the vent
>     could be closed in summer.
>
>      
>
>     P Ferguson
>
>     Illawarra NSW
>
>      
>
>      
>
>     ------------------------------------------------------------------------
>     __
>

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