Clear window coating could cool buildings without using energy (IMAGE)

American Chemical Society

Clear window coating could cool buildings without using energy

Caption

This window film (held in fingers at top left) keeps rooms bright and cool by allowing visible light to pass in while reflecting invisible infrared and ultraviolet sunlight and radiating heat into outer space.

Credit

Adapted from ACS Energy Letters 2022, DOI: 10.1021/acsenergylett.2c01969

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