Each home with an air conditioner emits about two tonnes of carbon dioxide into the air each year, according to the US department of energy.
After all, making a light bulb or air conditioner smart is about as difficult as training a flatworm to avoid the light.
Air conditioners use about 5% of all electricity produced in the US.
Bromine is as good as chlorine for fridges and air conditioners, but about 40 times more corrosive to ozone.
The problem is that at the moment, the batteries needed to store just one kilowatt-hour (the amount needed to run an window air conditioner for an hour) cost about $350.
Most appliance motors today have a single speed, go on and off frequently (think about your air conditioner or fridge) and hog power on startup, enough to dim the lights.
Turn on the air conditioner and the range drops by about 20%.
I then drove about 20 kilometres away, turned up the air conditioner, and fell asleep.
It lives outdoors on a slab of concrete, about the size of an air conditioner.
He ran an air conditioner all summer to keep his room cool at a cost of about $60 a month.
