The Energy Star Builder Option Packages include ceiling options that also specify the heel height R-value.
For example, "R 42 (nominal) at heel". Brian has suggested a method for estimating the heel nominal R-value for a given attic overall nominal R-value and the attic heel height. The data for this should be available in the HOT2000 diagnostics file.
The Energy Star Builder Option Packages include ceiling options that also specify the heel height R-value. For example, "R 42 (nominal) at heel". Brian has suggested a method for estimating the heel nominal R-value for a given attic overall nominal R-value and the attic heel height. The data for this should be available in the HOT2000 diagnostics file.