Solar Design Roof Overhangs

How roof overhangs work.

Solar design roof overhangs.

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. 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. How roof overhangs or other window overhangs work to control heat and solar gain. In passive solar home design exterior roof overhangs provide a practical method for shading building elements such as windows doors and walls.

How do i determine the correct amount of shading sun. Here the panels are mounted on a steel structure that integrates the panels seamlessly into the roofline. 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. Overhangs are most effective for south facing elements in the northern hemisphere and at midday.

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. This beautiful modernist home in sarasota florida uses lumos solar glass on glass solar panels. Overhangs are most effective for south facing elements in the northern hemisphere and at midday. Solar overhang with glass on glass panels.

I used sketchup to help determine how the solar path would fall on the house i am designing.