Water-Filled Windows Use Sunlight to Heat and Cool Buildings

Reading Time: < 1 minute

Takeaways:

  • Startup Water Filled Glass has developed panes of glass filled with water that uses sunlight to power an energy-saving heating and cooling system.
  • By absorbing thermal energy, the water-filled glass limits how much solar heat gain enters the building through the window.
  • This technology will help make heavily glazed buildings significantly more sustainable.

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