Passive Heating and Lighting-A Case Study using S&T 2009 Solar House


Solar louvers and light shelves serve as passive cooling, shading, and lighting mechanisms. The goal of this research was to optimize a passive system for this particular location and building shape/orientation by observing how the temperature and lighting change with different outdoor building attachments is the goal of this project. As part of this pilot study this research provides some of the methodology being used. The first method examines a physical scale model using the Sun Path Method. A second comparative method was used to compare the results further quantifying the results of the first method through computer simulation software known as Ecotect. Based on the methodologies used the simulations yielded a reduction in solar thermal gain of 10-15% during the summer months when solar shading devices were used yet had little to no impact on the daylighting effect.

Meeting Name

2015 Architectural Engineering Institute Conference, AEI 2015 (2015: Mar. 24-27, Milwaukee, WI)


Civil, Architectural and Environmental Engineering

Keywords and Phrases

Computer software; Heating; Solar heating; Comparative methods; Passive cooling; Passive heating; Passive systems; Physical scale modeling; Solar shadings; Solar thermal; Summer months; Lighting

International Standard Book Number (ISBN)


Document Type

Article - Conference proceedings

Document Version


File Type





© 2015 American Society of Civil Engineers (ASCE), All rights reserved.

Publication Date

01 Mar 2015