Overhang Annual Analysis

This tool lets you visualize the degree to which a horizontal overhang or roof shades a window throughout the year, and it also calculates the effect of the overhang on solar heat gain. Please read the important instructions, notes, and FAQ pages before using this tool.

BASIC INPUTS
overhang style
window faces
latitude
°
 
 
ADVANCED INPUTS
ADVANCED INPUTS
sun mode
overhang width
show values
heat gain units
 
  MORNING   AFTERNOON  
  4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 MONTHLY
Jan                                   Jan  
Feb                                   Feb  
Mar                                   Mar  
Apr                                   Apr  
May                                   May  
Jun                                   Jun  
Jul                                   Jul  
Aug                                   Aug  
Sep                                   Sep  
Oct                                   Oct  
Nov                                   Nov  
Dec                                   Dec  
  4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 ANNUAL
  MORNING   AFTERNOON  

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The development and maintenance of Overhang Annual Analysis 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!

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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.