Overhang Annual Analysis

Screen shot of Overhang Annual Analysis

Lets users visualize the shading performance of a window overhang for an entire year. Overhang Annual Analysis tool accepts a location and the dimensions of the window and overhang as inputs, and produces a chart depicting the amount that the overhang shades the window for each hour of the day, for each month of the year. Screen Shots

Keywords

window, overhang, shading, solar

Validation/Testing

Outputs verified against an overhang shadow calculator with an independent methodology, also produced by the author.

Expertise Required

None.

Users

Unknown, new tool, released August 2007.

Audience

Architects, builders, homeowners, passive solar designers, energy analysts

Input

Location, window dimensions, overhang dimensions.

Output

Chart with visual representation of overhang performance for each hour for each month of the year.

Computer Platform

Any web browser.

Programming Language

Javascript

Strengths

Instant visualization of a large dataset; very easy to use.

Weaknesses

Not very precise, since it has such a broad scope; only designed for long, horizontal overhangs.

Contact

Company:

Sustainable By Design

Address:

3631 Bagley Avenue North
Seattle, Washington 98103
United States

Telephone:

+1 (206) 925-9290

Facsimile:

+1 (877) 684-0797

E-mail:

Christopher@susdesign.com

Website:

http://susdesign.com/overhang_annual

Availability

Web-based shareware...free to use; $10 to $25 donation requested if you find the program useful; the tool's web site is: http://susdesign.com/overhang_annual.