Researcher Jie Feng , B.Eng and M.AppSc, began a one-year study January 3, 2005 using AGI32 lighting simulation software to model the reflective fabric egg crates for side and top windows in various daylight conditions, seasons and latitudes.

Lighttex panels were modeled with various cell size models during the time periods 10:00 am – 3:00 pm on March 21, June 21, September 21 and December 21, for both clear and overcast sky conditions. Preliminary tests with skylights and south-facing windows indicate significant potential for Lighttex as a daylighting tool.

See these tests in detail here.

  1.  Lighttex provides a significant increase in uniformity, especially along the east-west axis. The north-south axis also has increased uniformity and daylight penetration deeper into the space.

2. Lighttex blocks a large portion of direct sun penetration.

3. When direct sun cannot be blocked completely, large glare areas are cut into small shadow/highlight patterns which move rapidly and minimize heating.

4. Lighttex lights dark corners, enlarging the regularly occupied area.

5. Less direct sun entering in bright and warm weather makes the environment more visually comfortable and saves energy in reduced air conditioning.

6. Lighttex enables occupants to be connected to views.

7. Lighttex results in some light reduction in the space with overcast sky conditions.

© 2004 Lighttex Canada, Inc.