Natural daylight brings your indoor spaces to life in ways that a simple lamp can't. Experience the changing light of the seasons and times of day anywhere. The Daylight Estimator is a Sun Tunnel calculator tool that will give you the amount of light you'll get in a room based on your input. VELUX Daylight Visualizer is a professional lighting simulation tool for the analysis of daylight conditions in buildings. It is intended to promote the use of. Instructional For Installing Solar Velux Blinds Into a Venting Skylight The Solar Powered "Fresh Air" Skylight features a solar panel that captures any available daylight and uses it to recharge a highly efficient, fully concealed. The Daylight Estimator is a Sun Tunnel calculator tool that will give you the amount of light you'll get in a room based on your input. Bring daylight to every corner of your home. VELUX SUN TUNNEL skylights bring natural light into even the darkest and most isolated spaces through a.