A side of a house measures 10 feet by 15 feet.  There is one window which measures 3 feet by 4 feet.  The wall is a wood frame with siding and 3 1/2 inch insulation + 1 inch polystyrene sheathing (R-16).  The window is single pane plus storm window. Find the heat load for the window for a 70° F design temperature difference.

Fill in the blank(s) with the appropriate word(s).


720 Btu/h

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