Spring is in the Air

As we move closer to spring and out of the winter season, our energy conservation focus moves from heating to cooling.

The principles of refrigeration are more complex than those of heating, and are often misunderstood.This video, produced by The Federal Security Agency, U.S. Office of Education, Division of Visual Aids circa 1944, presents a good straight forward approach that may add some knowledge to your repertoire, and is fun throwback to the times of $0.21/Gal gasonline!

This video is hosted on Archive.org.


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