control daylight

Switch windows on or off to radically reduce energy use.

Sage Electrochromics, Inc, a Minnesota-based inventor of an international breakthrough glass innovation – a window that can be switched on or off to reject up to 98% of the sun’s heat and light on demand – has received a financial shot in the arm from the Department of Energy for a total of $103 million to mass produce energy-saving glass.

“This investment will help cut utility bills, reduce carbon pollution, and create jobs our economy needs,” said Energy Secretary Chu in granting the loan guarantee.

Breakthrough technology. Glass switched from clear to dark at the push of a button.