Photo
![](/sites/default/files/styles/photo_gallery_515_x_325_/public/building-envelopes-hero-image_0.png?itok=e_Ab-Vcy)
Caption
Measurement of performance of ceiling tiles made of new phase change materials in test bed, in naturally ventilated and forced ventilation modes. Source: LBNL.
Photo
![](/sites/default/files/styles/photo_gallery_515_x_325_/public/building-envelopes-003_0.png?itok=nrghlLLx)
Caption
Cool roofs weathering and aging experiments being conducted with industry partner St. Gobain in four different climate zones in India.
Photo
![](/sites/default/files/styles/photo_gallery_515_x_325_/public/building-envelopes-004_0.jpg?itok=oKUO1FPn)
Caption
Screenshot of COMFEN- India, based on the LBNL tool COMFEN. This is an early design tool customized for India for selection of energy-efficient commercial fenestration.
Photo
![](/sites/default/files/styles/photo_gallery_515_x_325_/public/building-envelopes-hero-image_0.png?itok=e_Ab-Vcy)
Caption
Measurement of performance of ceiling tiles made of new phase change materials in test bed, in naturally ventilated and forced ventilation modes. Source: LBNL.
Measurement of performance of ceiling tiles made of new phase change materials in test bed, in naturally ventilated and forced ventilation modes. Source: LBNL.