[Greenbuilding] Advice on siting a home when the view is to the north

Concorde Group concordegp at aol.com
Sun Oct 23 18:01:19 CDT 2016


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> On Oct 23, 2016, at 17:31, Gary Reysa <gary at builditsolar.com> wrote:
> 
> Hi,
> There are lots of solar air heating collector designs that could be integrated into the south wall in non-window areas.  Ideas here:
> http://www.builditsolar.com/Projects/SpaceHeating/Space_Heating.htm#Passive
> and
> http://www.builditsolar.com/Projects/SpaceHeating/Space_Heating.htm#ActiveAir
> 
> I have seen solar air heating collectors integrated into the south wall with very aesthetically pleasing results.  This could also be quite cost effective if you can find a cooperative carpenter.
> 
> Another option would a low thermal mass sunspace on the south wall that would produce heat for the house and also provide useful space for a wide variety of uses at a low cost per sqft.  Since you probably don't want to look at the south views anyway, the glazing could be twiinwall polycarbonate which is efficient and looks good and is easy to work with.
> Performance and design data and examples on low mass sunspaces here:
> http://www.builditsolar.com/Projects/SpaceHeating/Space_Heating.htm#LowMassSS
> Low mass sunspaces basically give you all the gain of windows or collectors with the added benefits of no worries about overheating, useful extra sq footage, and good looks.
> Note Nick Pine's three story sunspace at the link above.
> 
> You could use a Trombe wall, but they are not very efficient, and unless you need the stored heat they don't have any advantage over regular collectors or windows.
> If you search this page for Trombe, there are several examples and a Thermal Storage Wall Design Manual by Alex Wilson.
> http://www.builditsolar.com/Projects/SpaceHeating/Space_Heating.htm
> 
> On the north wall, I'd consider including good thermal shades with side "energy tracks" to block the flow of air around the edges -- we use some from Symphony Shades and like them.  Power up/down would be nice - especially for ones that are hard to reach.
> 
> Gary
> 
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