This tool may not work in certain old browsers so in that case you may wish to try a different browser or use the old version feedback is welcome on this new tool and improvements continue to be made.
Passive solar roof overhang calculator.
The size of the window width and height and the window s relationship to the roof the space above the window influences the direct.
Here s a link to a free web based tool to help you size roof overhangs on a passive solar building.
I also urge you to read this article.
Design solar altitude angle for full sun deg from passive solar altitude angle calculator build height of roof overhang from top of glass feet or leave blank build depth of roof overhang from glass feet or leave blank requested solution 0 full shade full sun 1 full shade 2 full sun.
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User 757117 jul 16 2012 05 54pm 3.
An important component of passive solar design is calculating building openings doors and windows and roof overhangs.
Work out the right window solar overhang required.
Interactive online passive solar eaves calculator.
Passive solar fenestration exposure.
Borst passive solar roof overhang design calculator.
You can use the free software sketchup to draw the house and it will draw sun shadows for any date time at your location.
24 dec 2012 02 45 pm.
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Cost effective passive solar design.
This is a new overhang analysis tool providing visual feedback of the overhang shade at the selected date time as well as an annual performance chart.
For instance several features of a window will influence gain of solar heat and shade.
Calculator instructions please click to read.
Works worldwide by latitude or address.
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Jonr senior member posts 5341.
The correct amount of eave overhang along the north side of the building is what makes passive solar design work in both winter and summer.
Passive solar roof overhang design.
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