Software
Heat Transfer
Modeling Tools for Fenestration Products
NFRC Approved Software
List
THERM
5.2 & THERM 6.3 - A Windows-based program used for modeling and calculating
heat flow through framing systems. THERM 5.2 expired as an NFRC approved software program on July 1, 2011 for new certifications, and re-certifications, but may be used by the laboratories to revise products rated using THERM 5.2 until their expiration.
WINDOW
5.2 & WINDOW 6.3 - A Windows-based program that calculates the overall thermal
transmission of window systems. WINDOW 5.2 expired as an NFRC approved software program on July 1, 2011for new certifications, and re-certifications, but may be used by the laboratories to revise products rated using WINDOW 5.2 until their expiration.
Spectral
Data Library - This library update contains NFRC approved
spectral data for the WINDOW analysis program.
OPTICS
5.1.02 - A Windows-based program for analyzing optical properties
of glazing system. Note: this software is approved
only creating a laminant for NFRC according to the NFRC document
Creating a Laminate in Optics for NFRC.
CMAST
1.2 - A Windows-based program for rating non-residential
fenestration products, consisting of both a web application and
client application. This software is only authorized for use with the CMA Product Certification Program.
Other Useful Software
RESFEN
5.0 - A Windows-based program used for estimating the energy
effect of fenestration products on typical one and two story homes
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