A room is 10X10X8. There are two outside walls, each 10X8, and one window, 24" X 36". The window is double glass, with sealed space between. The walls are framed with wood and 3-5/8" batts. The ceiling has 6" batt insulation. The temperature difference is 30 degrees F. What is the wall BTU loss?

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


400 BTU

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