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Learn & Plan Topics

  • Buildings and Health

    The challenge for building design and operations is to identify and eliminate health risks while also providing positive physical, emotional, and...

  • Circadian Light

    Circadian rhythms are physiological processes that occur in the body approximately every 24-hours. Medical research has linked circadian disrup...

  • The Importance of Daylight

    While many people prefer to be in spaces with abundant daylight, a critical question is to what extent the benefits of daylight matter to those who ...

  • Indoor Environmental Quality (IEQ)

    Indoor Environmental Quality (IEQ) is most simply described as the conditions inside the building. It includes air quality, but also access to da...

  • Water Efficiency

    Buildings are significant users of the Earth’s freshwater supply. The goal of a responsible building operator should be to encourage a sma...

  • Adaptable Workplace Laboratory

    This case study provides an in-depth look at using flexible interiors to design for adaptability

Green Products

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Daylight Sufficiency Goal

The daylight sufficiency goal specifies the amount of daylight needed to provide adequate light to perform typical tasks appropriate to each space, without additional electric lighting. It is measured in lumens or foot-candles. 


Find more from GSA's Saving Energy through Lighting and Daylighting Strategiesopens in new window resource. 

Whole Building Systems

  • Lighting - Energy Use

    By consuming 17% of the building’s total electricity consumption and further influencing overall energy demand by the waste heat it emits, lig...

  • IEQ - Daylight

    An effective daylighting strategy sufficiently illuminates the building space without subjecting occupants to inconvenient glare or light level fluc...

  • IEQ - Daylight / Views

    Providing daylight access and views for occupants is important in reaching performance goals as part of the IEQ strategy. According to a study done ...

  • Lighting - Green Tips

    Allow optimal daylight penetration, orientating interior space layout accordingly.

Materials

  • Daylight Controls

    Daylight controls measure the amount of daylight/ambient light in a room and adjust the electric light levels accordingly. Daylight controls shou...

  • Interior Light Shelves

    Interior light shelves direct daylight deep into a space by bouncing natural light from the light-colored shelves up to the ceiling, where it is r...

  • Clerestory Window

    Clerestory windows allow daylight to penetrate into a space. They are designed to allow daylight to penetrate a space, and therefore are located ...