The site was created by the students from the Department of Environmental, Water and Earth Science at the Tshwane University of Technology, Pretoria, South Africa. This is their way to reach out to the world with a message that they are getting ready to make a difference out there.
Wednesday, August 27, 2008
Tip number 103: Be a fan
Ceiling fans can reduce air conditioning costs by as much as 40% in the summer. Amazingly, they can also save energy in winter! By agitating the air and stopping cool air from pooling at ground level, they can reduce heating bills by 10%
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