Light Penetration

This tool lets you calculate and visualize the extent to which direct sunlight penetrates into the interior of a room through a vertical window. Please read the important instructions, notes, and FAQ pages before using this tool.

LOCATION
°
 
DATE & TIME
OUTPUTS
Note: Communication has not yet been established with the server that renders the output graphics for this tool. If this message persists for more than 10 seconds, please read the first FAQ.
ROOM DIMENSIONS
WINDOW DIMENSIONS
WINDOW POSITION
 
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The development and maintenance of Light Penetration is supported by user donations. If you found this tool helpful, please consider making a small donation...this can be done quickly and securely by credit card or PayPal account, using the buttons to the right. Your donations will contribute to improvements to this and other solar design tools. Thank you!

Mailing List

The author maintains a private mailing list of users of the SunAngle suite of solar design tools, and is happy to send you very occasional notices about software upgrades and other items of interest. Such notices do not typically occur more frequently than a few times a year.