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Why do supermarket refrigerators not have doors?
Asked by occ (4176)
July 22nd, 2008
Whenever I go to the supermarket and see the open dairy cases, the system seems terribly energy-inefficient . Why don’t supermarket refrigerators have doors? How much energy is wasted by this process? And in a time of high energy prices wouldn’t it make economic sense for supermarkets to add doors?
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