Design Tools

Sustainable By Design provides a suite of shareware design tools on sustainable energy topics:

SUN ANGLE TOOLS
SunAngle
the premiere tool for solar angle calculations
SunPosition
calculates a time series of basic solar angle data
Sol Path
visualization of the path of the sun across the sky
 
WINDOW TOOLS
Window Overhang Design
visualization of the shade provided by a window overhang at a given time
Window Overhang Annual Analysis
visualization of window overhang shading performance for an entire year
Overhang Recommendations
suggested climate-specific dimensions for south-facing window overhangs
Light Penetration
visualization of the penetration of sunlight into a room
Louver Shading
visualization of louvered shading system performance for an entire year
Vertical Fin Shading
visualization of a vertical fin shading system performance for an entire year
Window Heat Gain
calculation of monthly heat gain through windows
 
OTHER TOOLS
Panel Shading
visualization of the shading of rows of flat panel collectors throughout the year
USA Climate Data
monthly climate data for about 250 U.S. cities