Tubular Daylighting Devices #5559046

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Tubular Daylighting Devices #5559046.

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For years, studies have touted the benefits of incorporating daylight into the workplace. Increased productivity, improved mental stimulation, and lower absenteeism are just a few of the perks proven to hail from natural light exposure. During winter, when daylight hours decrease, it’s particularly crucial for people who work in commercial buildings to receive an adequate dose of daylight to maintain peak mental, physical, and behavioral health., Those who don’t receive enough bright daylight can be afflicted with the “winter blues.” Office workers, who often find themselves arriving and going home in the dark, are especially susceptible. Common reactions are mood swings, anxiety, fatigue, and even weight gain.

Letting light into a house is an important function of windows. Natural light is important to the health and well-being of the occupant. Even though people have become more reliant on electric light in their houses, good home design can provide most, if not all, the needed daytime light. The introduction of natural light is also a powerful architectural tool in shaping and defining the interior spaces. However, providing daylight requires thoughtful window placement and interior design that addresses a number of concerns such as visual comfort, balanced light levels, color, and fading of furnishings. , Providing Balanced Lighting
A balance of light is important both for visual comfort and to perform visual tasks. Too much contrast between dark and light, from very bright light to very dark shadows, can be uncomfortable for the eyes. Although the eyes can adjust to changes in light levels very quickly and can simultaneously see a wide range of light intensities, the human eye is more comfortable with a ratio of the brightest to the darkest level of no more than twenty to one. Light levels for reading in the home or office range from 100–2000 lux, and an overcast sky can provide outdoor levels of 5000–20,000 lux. A beam of bright sunlight will provide up to 100,000 lux on a surface. In order for direct sunlight to be useful visually, it should be diffused and reflected around the room. When the sunlight is spread out over a larger area, it provides more comfortable light levels.

Daylighting is a relatively new term used to describe the use of daylight-responsive electric light controls, high performance glass, active or passive skylights / tubular daylight devices and solar shading devices such as louvres, sunshades and films.,

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Daylighting is a desirable feature for a building, but it is often considered unfeasible due to the expensive retrofits that it might require. The interior sections of a building, for example, are often left without any natural light post-retrofit and still require consistent conventional lighting, which causes the energy bill to remain high., Tubular daylighting devices (TDDs) – sometimes referred to as light tubes or light pipes – provide an option for FMs looking to incorporate daylighting into buildings from the roof without installing large windows.


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