Virtual Skylight vs. Tubular Daylighting Devices

The Virtual Skylight (VS) is not a luminaire in the conventional sense and is best compared to Tubular  Daylighting Devices(TDD) such as the Solatube and the Sun Tunnel. I have rounded up a comparison sheet so that one can better understand the differences, using the Solatube 290DS and the Flotonix VSP Virtual Porthole 290DS    […]