Last summer my top floor apartment was over 115 degrees indoors with blinds closed.
White roof passive cooling.
Cool roof coatings are white or special reflective pigments that reflect sunlight.
Solar tile with passive cooling researchers built the device by attaching 17 efficient monocrystalline pv cells to a mortar roof tile that was doped with a phase change material pcm.
Products are available for most roof types.
Dual season roofing idea.
In reward for reporting the.
The thermal performance of the device was compared to that of a roof tile with no pv devices and a conventional solar tile with no passive cooling.
Actual measurements of reduction in cooling energy for 8 homes in florida before and after coating the roof with a reflective white coating.
Besides researchers found that a roof with a high density vegetation works as a passive cooling system in fact the energy released from the building through the roof during the summer is a 9 of.
Coatings are like very thick paints that can protect the roof surface from ultra violet uv light and chemical damage and some offer water protection and restorative features.
Retractable white roof for passive heating cooling.