Quadruple-pane, prismatic Sun Optics
Using diffusers, and multiple layers of glass or acrylic, skylights can add light without adding much heat.
Advantage to user:
Not only is natural light free, it has been found to have health
benefits as well. Skylights allow light in from the ceiling in a very
Savings to pocketbook:
Reduced electric bill, better light, and better health.
Savings to the planet:
Less air pollution, lower CO2 emissions.