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Energy efficiency

April 30, 2013
MSUM professors Dennis Jacobs and Karen Branden use a swimming pool inside of their rural Detroit Lakes home as one of their sources of heat. The pool provides enough heat to postpone turning on the furnace for a couple of weeks in the heating season. Photo by Dave Wallace.
Homeowners think big in making homes energy-efficient
April 30, 2013 - 1:53pm