Heat Loss Express
proper insulation thickness to obtain more precise values.
Cold Partition Length
Determine the length of each wall in the room that is exposed to adjoining unheated areas of the building and enter the total (in feet).
Cold Partition Factor
Click inside the cell. A
directly in the cell.Cold Partition Factor
Ceiling Factor, Floor Factor, and Infiltration Factor
Click inside each cell. A
1.If you know the factor, you can enter it into the cell; otherwise, click on the
2.Use your mouse to point to one of the options. You will be presented with additional options. Repeat until you find the correct factor and click on it. The proper value will be entered in the Heat Loss Express screen. The figures below show examples of finding ceiling, floor, and infiltration factors.
Ceiling Factor
Floor Factor
12 | Slant/Fin Corporation |