Yes, Solatube® Daylighting Systems work especially well in hot climates. Solatube Smart LED™ Systems as well as the Solatube Daylighting System 160 DSe and Solatube 290 DSe are ENERGY STAR® rated in all regions across North America because they allow minimal heat transfer. The Solatube Daylighting System 160 DS and 290 DS models are also ENERGY STAR rated, but only in certain regions. For specific details, see the ENERGY STAR / NFRC Certification document in the Technical Resources section of our web site under Product Codes and Approvals.
Solatube Spectralight® Infinity Tubing, which is featured in all our products, transmits the visible spectrum of light (400 to 760 nanometers), but provides significant blockage of infrared wavelengths greater than 900 nm, which is the main culprit in solar heat gain.
Additionally, the dome ring in the Solatube 160 DS, Solatube 290 DS, and Solatube Smart LED Systems acts as a thermal break between the flashing and tubing to prevent external heat from entering an interior space. In the Solatube SolaMaster® Series, the tube ring performs this same function. In the Solatube SkyVault® Series, R-6 rigid insulation that comes pre-installed in the curb cap roof assembly prevents heat transfer. All of our other curb-mounted units have the option of adding the Curb Cap Insulation Kit for maximum heat transfer prevention.
Also, the Raybender® 3000 Technology featured in many of our products helps to reject overwhelming light and heat when the sun’s rays are most intense.
The Solatube Brighten Up®, Smart LED, SolaMaster 750 DS and the SkyVault M74 DS also offer inner dome options that improve thermal performance by creating a dual dome system.
These technologies allow Solatube Daylighting Systems to provide the highest light output performance with minimal thermal impact.