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
 
WINDOW TOOLS
Overhang Analysis
visualization of the shade provided by a window overhang at a given time, plus a chart depicting annual performance
Overhang Recommendations
suggested climate-specific dimensions for equator-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