Sutherland and St George Solatube Premier Dealer Solatube DS and DSe, Heavenly Intelligent, Econotube, Solar Star, Enviromax Free in house quotes. Supply and installation and DIY kits. Builders welcome. Modern diffuser options with Solatube Designer Touches. Take daylighting to the next level by upgrading your Solatube Daylighting. System with our add-on kits available, including light bar, daylight dimmer and room ventilation.