Nest Learning Thermostats Now Saving a Whole Lot of Energy
Nest's learning thermostats have collectively saved over 200 million kilowatt hours of energy since they were launched back in October 2011, says the startup. That's about the equivalent amount of energy to power the Empire State building for four years, and which Nest says is a figure that blew their minds when they calculated it.
It's unclear how many Nest thermostats there are out there, but a few months ago Nest said it had sold in the "hundreds of thousands" of units. But the reason Nest's collective energy savings are so high