Suppose the insulating qualities of the wall of a house come mainly from a 4.0-in. layer...

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Suppose the insulating qualities of the wall of a house come mainly from a 4.0-in. layer...

Suppose the insulating qualities of the wall of a house come mainly from a 4.0-in. layer of brick and an R-19 layer of insulation. What is the total rate of heat loss through such a wall, if its total area is 245ft2 and the temperature difference across it is 29F? ?

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Answer 1

Answer #1

The rate of heat is, != 4(7-5)=( t R +R 245) (29) 1+19 -355 Btuh

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Answer 2

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