Condensation Resistance Calculation Error Message in WINDOW

Software/Versions Affected:

• THERM›6
• THERM›7

If you get the following message in the WINDOW Window Library when doing a calculation, you need to recalculate the file in THERM, setting the Preferences as listed below:

In order for WINDOW to calculate the Condensation Resistance in the Window Library, you must have the following Preference set in THERM:

• Go to the Options menu, Preferences option
• In the Therm File Options tab, Check "Use CR Model for Glazing System"