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Stork Adds Expertise Allowing Them to Test Energy Performance of Fenestration Products

Stork TCT is proud to announce Fenestration Laboratory Manager Brian Amberg's new status as a Certified Simulator as authorized by the National Fenestration Rating Council (NFRC).

Stork TCT Fenestration Laboratory Manager Brian Amberg

The NFRC website ( explains the organization's mission and authority, "The National Fenestration Rating Council, Incorporated ("NFRC") has developed and operates a uniform national rating system for energy performance of fenestration products. The Rating System determines the U-factor, Solar Heat Gain Coefficient (SHGC) and Visible Transmittance (VT) of a product, which are mandatory ratings for labeling NFRC certified products, and are supplemented by procedures for voluntary ratings of products for Air Leakage (AL) and Condensation Resistance. Together, these rating procedures, as set forth in documents published by NFRC, are known as the NFRC Rating System."

General Manager Michiel Graswinckel said, "We're very proud of Brian, who passed the necessary coursework and testing necessary to earn this qualification at NFRC headquarters in Maryland this year. We have heard from many customers that NFRC simulation is a beneficial service we can offer and already Brian has helped a number of customers develop NFRC testing programs for their products."

Component Modeling Approach & Approved Calculation Entity
In addition to becoming a Certified Simulator, Amberg is scheduled to complete NFRC's Component Modeling Approach (CMA) Product Certification Program, which enables whole product energy performance ratings for commercial (non-residential) projects. In CMA, performance data from the three primary components that make up a fenestration product are used for obtaining an overall product performance rating, those components being Glazing, Frame, and Spacer.

After additional testing, Amberg will also become a registered ACE, or Approved Calculation Entity. According to NFRC 708-2009, "U-factor, SHGC and VT ratings shall be obtained from an Approved Calculation Entity, which has been approved by NFRC in accordance with the requirements Draft of NFRC 708-2009 [E0A0] page iii of the Calculation Entity Approval Program (CEAP)."

The combined qualifications of Certified Simulator, CMA Administrator, and ACE, will allow Amberg and Stork TCT to offer energy-related rating and certification testing to both the residential and commercial fenestration industries.

As a provider of fenestration testing services to window and door manufacturers, builders, architects, designers, and other industry professionals, Stork TCT offers AAMA, NFRC, Miami-Dade, air/water infiltration, acoustics, SGCC, and related components evaluation. Stork TCT holds quality approvals from A2LA, ISO/IEC 17025:2005, and many other regulatory and industry agencies; Stork fenestration experts are active in professional associations such as American Architectural Manufacturers Association, Window & Door Manufacturers Association and NFRC.

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