Insulation thickness

Insulation Calculator

Duct type: Cooling only Heating only Return
Duct Location: Unconditioned space Conditioned space Outdoors Ceiling cavity below roof Unconditioned attic Vented attic
Conductivity (W/m·K):

Instructions

Select the duct type and installation location, and enter the actual conductivity value from the material catalog (default is the conductivity of Armaflex insulation).

The software selects according to ASHRAE 90.1 table 6.8.2A and 6.8.2B for calculation.