Tubular skylight

Tubular skylight

Round skylight that transmits sunlight down through a tube with internally reflective walls, even through an attic space; it delivers daylighting through a ceiling light diffuser. Most tubular skylights are 12 to 16 inches in diameter and deliver daytime lighting comparable to several 100-watt incandescent light bulbs.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
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I like natural light and thought I could save some electricity on lighting by installing a skylight or tubular skylight. Which type is better?
This system is similar to the tubular skylight in that it delivers light into the room through ceiling diffusers.
I like to specify a tubular skylight when there's a closet at the end.
Performances and daylighting applications of the tubular skylight. In: Conference Proceedings of Lux Europa, Reykjavik.
It's a tubular skylight! It can be put into place in two hours or less.
To measure the transmitted energy flux, five illuminance sensors (except for the tubular skylight that used one sensor) were placed at the top level of the curb, one in the center and one on each side between the center and the edge of the skylight.
The company, which expanded from Ireland in 2002, has exploited a niche in the skylights market with the tubular skylight which has a reflective inner surface that captures sunlight from all angles and transmits inside the room.
With the right conditions, Solatube's 21-inch tubular skylight, for example, produces about 13,900 lumens--equivalent to the light output of six 48-inch, 40-watt fluorescent lights.
Solatube International Inc., the innovator of the tubular skylight, has continually set the standard.
Solatube International, makers of the tubular skylight product, launches the Brighten Up series of redesigned 10-inch and updated 14-inch tubular skylight units, a patented reflector and metal flashings.
If your main concern is bringing natural light into a room as inexpensively as possible, consider the tubular skylight. Tubular skylights are relatively small (10 to 22 inches in diameter); installing them requires no structural alterations.
One of my favorite sustainable products to include in new construction and remodels is a tubular skylight, light tube, or solar light pipe.