Another alternative is to apply a reflective window coating to the glass on the skylights. If the skylight needs replacing, consider a new unit with the reflective film already built into the glass.

To put that into context, the R value of double pane glass window is R-2, while a double-pane glass window or skylight with a Low-E coating, is R-3, and closed-cell polyurethane spray foam has a ...

Tubular skylights are simple devices that rely on super reflectivity. A tube with a reflective interior, typically from 9 to 14 inches in diameter, is installed from the roof to the ceiling of the ...

A. Tubular skylights do bring a lot of natural light into a room and will reduce or eliminate the need for electric lights during the daytime. They are less expensive than standard rectangular ...

The Daylighting System from Solatube lights dark closets and dimly lit bathrooms by angling a highly reflective tube as sharply as 90 degrees to reach where skylights can't.