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