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Welcome to the NFRC Component Modeling Approach (CMA) Software Tool (CMAST) and CMAST Certified Products Directory (CMAST CPD) for Non-Residential Fenestration Energy Certification and Rating.

In the directory you can:

If you register (click here for instructions) you may download and install the CMAST Windows Client to:

  • configure glazing, frame, and edge seal components into a whole product
  • estimate the whole product energy performance
  • create a project for all the products used in a building
  • simulate the project energy efficiency and create a label certificate

Thank you for your interest in the NFRC CMA Program. NFRC offers a free 6-month evaluation period for the CMAST software, then a modest fee will be incurred as spelled out in our Fee Schedule). At the end of the evaluation period, an invoice for the CMAST user fee will be generated and sent to your company. If you have any questions about this prior to registration, please contact NFRC Staff at

If you have already registered, please log in:


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©1992. National Fenestration Rating Council Incorporated (“NFRC”). All rights reserved. NFRC’s Certified Products Directory is protected by copyright. By accessing and downloading NFRC data from this webpage, the user agrees to abide by the Terms of Use.