and shades the unit so it won't run as hard.
Hides it too, if you want to "greenwash" your neighbors and say you don't use one.
Article via
Treehugger.
Or, like they're doing in India-adding more and more and more units.
Picture on link is worth more than a 1000 words.
http://www.nytimes.c...ml?pagewanted=1

