True, also a lot of industries requires heating things as well so if it's efficient for them to paint their warehouse it's a good thing! And if you have a nice

True, also a lot of industries requires heating things as well so if it's efficient for them to paint their warehouse it's a good thing! And if you have a nice source of heat, it could provide a nice A/C without requiring electricity (http://en.wikipedia.org/wiki/Einstein_refrigerator http://en.wikipedia.org/wiki/Einstein_refrigerator)