White Roof Passive Cooling

Products are available for most roof types.

White roof passive cooling.

Dual season roofing idea. In a recent email to my landlord to report a broken mailbox i suggested the possibility of painting the apartment buildings roof white. 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. 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.

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. Retractable white roof for passive heating cooling.

Type t thermocouples were used to measure the temperature of the three tiles at both the top and the bottom of their surface while an apogee pyranometer was used to measure solar irradiance. 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.