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The simulators listed below are affiliated with an NFRC 701 accredited laboratory. They have attended a WINDOW/THERM training workshop and successfully passed an extensive exam; they have also attended the additional LEAFF training and passed
the evaluation. A certificate was issued stating their status as an NFRC Certified Simulator. NOTE: Only NFRC 701 accredited simulation laboratories can issue test reports for NFRC product certification.
A LEAFF Certified Simulator is not automatically granted ACE Approval, which can only be achieved by attending an ACE training class and successfully fulfilling all testing and application procedures. Approved ACEs may be found under NFRC Licensed Approved Calculation Entity (ACE) Organizations.
Only NFRC-accredited laboratories are authorized to conduct simulations that are rendered to NFRC Licensed Inspection Agencies for product certification and labeling.
The simulators listed below are affiliated with an NFRC 701 accredited laboratory. They have attended a WINDOW/THERM training workshop and successfully passed an extensive exam; they have also attended the additional CFCS training and passed the evaluation.
A certificate was issued stating their status as an NFRC Certified Simulator. NOTE: Only NFRC 701 accredited simulation laboratories can issue test reports for NFRC product certification.
A Commercial Fenestration Certified Simulator is not automatically granted ACE or Licensed User Approval, which can only be achieved by attending an ACE or Licensed User training class and successfully fulfilling all testing and application procedures. Approved ACEs and ACE Organizations may be found under the NFRC Approved Calculation Entities and ACE Organizations listings. Approved Licensed Users may be found under the Licensed Users listing.
The National Fenestration Rating Council (NFRC) is the trusted, independent, nonprofit certification body for the energy performance of windows, doors, and skylights. With more than 35 years of expertise, NFRC is the standard-bearer in fenestration performance certification, providing the public with objective data that helps stakeholders make informed decisions about product and building performance. NFRC certification ensures that products are tested using precise, scientifically validated methods, resulting in ratings that are fair, accurate and credible. Contact us at info@nfrc.org.