The summer heat-beater that maximises winter sunlight penetration

• The matt-white louvred skylight minimises sunlight penetration in summer and maximises sunlight penetration in winter.
• Can eliminate direct solar radiation all year round if necessary.
• Can reduce direct solar radiation to 24% or 29% of its unimpeded value.
• Will always admit about 42% of visible light from a uniform overcast sky.
• Reducing light by 60% reduces the eye's capability by a negligible 6%.

Solar Controller Lite Skylight (237.68 kB)