ABSTRACT
IN ALMOST EVERY CLIMATE, control of direct sun penetration is a key design criterion in order to avoid unwanted heat gain and excessive glare. While operable blinds can be very effective at minimizing glare if used properly, they are only marginally effective at minimizing heat gain. Furthermore, blinds are often simply left closed far more than is necessary if they are not motorized. External motorized blinds, operated with some form of automation system, can be extremely effective at minimizing both heat gain and glare; however, including these devices is often not feasible due to cost or other limitations. Fixed architectural shading strategies, such as exterior overhangs, vertical fins, and interior lightshelves, can serve to minimize both heat gain and glare and greatly reduce the number of hours per year that manually operable blinds are required. https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315770765/5913d48e-cb22-407b-9bcf-9916adc694b6/content/page129_B.jpg" xmlns:xlink="https://www.w3.org/1999/xlink"/>
