This tool lets you visualize the degree to which a horizontal overhang shades a window throughout the year. Please read the important instructions, notes, and FAQ pages before using this tool.
Support Overhang Annual Analysis!
The development and maintenance of Overhang Annual Analysis is supported 100% by voluntary user donations. If you found this program helpful, please consider making a small donation...this can be done quickly and securely by credit card, or you can mail a check. Suggested donations are $25 for commercial use, and $10 for personal use. Please visit the Shareware page for details, or you can make a quick PayPal or credit card donation to the right. Thanks!
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The author
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shareware solar design tools, and is happy to send
you very occasional notices about software upgrades and other
items of interest. Such notices do not occur more frequently
than a few times a year.
If you're
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