An overhang or some sort of solar control or solar shading is a crucial element in passive solar design because it blocks the sun s heat energy when it is not desired.
Solar design roof overhangs.
Here the panels are mounted on a steel structure that integrates the panels seamlessly into the roofline.
Overhangs are most effective for south facing elements in the northern hemisphere and at midday.
This beautiful modernist home in sarasota florida uses lumos solar glass on glass solar panels.
With the window heights and overhangs i used in the model at noon on june 21 the entire glazing of the south elevation windows are completely in shadow but just barely.
In passive solar home design exterior roof overhangs provide a practical method for shading building elements such as windows doors and walls.
How roof overhangs work.
At noon on january 21 the glass is completely exposed.
The overhang can be a fixture on the outside of the house or it can be a type of shading overhang or some type of control that can be.
How roof overhangs or other window overhangs work to control heat and solar gain.
How do i determine the correct amount of shading sun.
Because the sun travels different paths across the sky in the winter low and summer high time an overhang can be constructed to utilize and manipulate the heat energy from the sun.
Overhangs are most effective for south facing elements in the northern hemisphere and at midday.
In passive solar home design exterior roof overhangs provide a practical method for shading building elements such as windows doors and walls.