They are in front of the elevators at an outdoor multi story parking garage around my area. That's all I wanted to share, thanks.
I get what you're saying, but I disagree. If you don't use this heater but send the renewable electricity to the grid instead, somewhere non-renewable energy doesn't have to be used. IMO your argument is the same as the reason energy efficiency leads to more energy consumption. I quickly googled it to make sure I'm not talking out of my ass, and it's called Jevon's paradox.