SUN SHADING DEVICES

THE WINDOW SHADING CALCULATOR HELPS A DESIGNER DETERMINE THE DEPTH AND HEIGHT OF LOUVERS OR OVERHANGS BASED ON THE GEOSPATIAL LOCATION OF THE BUILDING STRUCTURE. BY CHOOSING THE CORRECT CITY, AND THE ORIENTATION OF THE BUILDING ON THE SITE, ONE CAN DETERMINE THE SUN’S LOCATION IN THE SKY AND WHERE THE RAYS WILL HIT THE BUILDING STRUCTURE. THIS SOFTWARE GIVES EXACT SIZING FOR SHADING SO THAT MATERIALS WILL NOT BE WASTED AND CONTRIBUTES TO SUSTAINABLE DESIGN.

In-Class Exercise #08b: Shading Devices

Use the Sustainable by Design Overhang Analysis tool for this exercise (https://susdesign.com/overhang/).

- You are located at approximately 45 degrees N latitude in Milan, Italy. - You have a southern-facing window that is 3’ wide and 8’ tall. - Reference the sun charts for Milan, Italy included in this exercise.

Answer the three italicized items below:

a) Based on the Climate Consultant sun charts, what times of year and times of day is shading most needed in this climate?

b) Using the Sustainable by Design Overhang Analysis tool, design a horizontal shading device that will provide complete or partial direct sunlight shading during the times when it is most needed. Attach an image of your window and shading device (from the website or one you draw yourself!).

Overhang Width: ________________ Overhang Depth: ________________ Height of Shading Device Above Window: ________________ Horizontal Offset of Shading Device: ________________

c) If you are not able to block all of the direct sunlight during times that require shade with the horizontal shading device, what other passive strategies and/or building elements might you rely on to help provide comfort?

In-Class Exercise #08b: Shading Devices

Use the Sustainable by Design Overhang Analysis tool for this exercise (https://susdesign.com/overhang/).

#2

- You are located at approximately 33 degrees S latitude in Santiago, Chile. - You have a northern-facing window that is 3’ wide and 8’ tall. - Reference the sun charts for Santiago, Chile included in this exercise.

Answer the three italicized items below:

a) Based on the Climate Consultant sun charts, what times of year and times of day is shading most needed in this climate?

b) Using the Sustainable by Design Overhang Analysis tool, design a horizontal shading device that will provide complete or partial direct sunlight shading during the times when it is most needed. Attach an image of your window and shading device (from the website or one you draw yourself!).

Overhang Width: ________________ Overhang Depth: ________________ Height of Shading Device Above Window: ________________ Horizontal Offset of Shading Device: ________________

c) If you are not able to block all of the direct sunlight during times that require shade with the horizontal shading device, what other passive strategies and/or building elements might you rely on to help provide comfort?