Electricity-free cooling by beaming heat into space.

A team from Stanford has made progress on a system they call radiative sky cooling. Originally created in 2013, their latest real-world test … “found that throughout the summer the panels cut the power needed to cool the building by more than 20 percent, a saving of about 14.3 MWh of electricity. Day-to-day, the savings varied between 18 percent right up to 50 percent.” learn more

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