design tools

sustainable by design provides a suite of shareware design tools on sustainable energy topics:

SUN ANGLE TOOLS
			SunAngle our premier 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
			Louver Shading visualization of louvered 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
			CFL Economics compares economics of CFL vs incandescent lamps