Calculating Load when there is a Kneewall

It is becoming common today for folks to extend the living space of their home by adding a room in the attic. They put up a kneewall to square the space off. One side of the kneewall is conditioned space and the other side is exposed to the hot attic.kneewal entry 1


To calculate the heat load for this type of room you enter only the height of the kneewall and then select the Summer and Winter Temperature Differences using the drop down menu.


Next you will go to the roof section. Click on the down arrow and select Click here for Sloped Ceiling Calculator.kneewall entry 2

kneewall slope



Here we enter H1 as 4 – the height of the kneewall – and H2 is the height at the peak of the slope.


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