29 May 2017

Heating Degree Days

Chilly today.  And this is Memorial Day, the unofficial first day of summer.  Well not today.  56 degree F....brrrr.

I know something is wrong when I hear the furnace fire up.


That brings me to the subject of Heating Degree Days, and for normally this time of the year, Cooling Degree Days.  For a formal definition try this link.

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