Manual J Calc question:
When doing a load calc on a home, or room by room calc, where is the perimeter of the home or room measured, on the interior of the room, or the exterior?
Take for example a room surrounded by 14" thick brick walls, the area measurements of the room are going to be completely different if you include the whole wall as being conditioned space.
I'm not trained & experience in Manual J's at all, but it seems logical to measure the inside perimeter, because we are not trying to condition the 14" thick brick walls.
Any help is appreciated.
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