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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. The annual fee for the use of CMAST is $1000, prorated based upon registration date. If you have any questions, please contact NFRC staff at

If you have already registered, please log in:


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By accessing and downloading NFRC data from this webpage, the user agrees to abide by the Terms of Use.