On Fri, 09 Dec 2005 03:25:32 GMT, "John‰]*
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wrote:


I have an apartment building with five thirty gallon electric water
heaters located in closets in the bathrooms.

Some people tell me that every water heater needs a blanket; no
exceptions. Others tell me that water heaters manufactured in the last
five years are so well insulated to begin with that if they are
installed in heated space, a blanket is a waste of time and money and
will produce negligible energy savings.

What do you think?


Put your hand on it. Is it warmer than the cement it's
sitting on? Why?