The National Fenestration Ratings Council (NFRC) has approved Wausau Window and Wall Systems as a Manufacturer Approved Calculation Entity (ACE) Organization under the Component Modeling Approach (CMA) Certification Program.

Wausau products listed in NFRC’s Certified Products Directory include its operable and fixed windows, sliding glass doors and unitized curtainwall. In 2009, Wausau’s John Kolbeck and Tom Mifflin were among the first CMA software tool (CMAST) users who earned ACE certification, according to the company.

“ACE certification keeps us at the forefront of emerging industry trends in energy-efficiency. Based on our experience and knowledge, we can provide our customers with the expertise and comfort to decipher new energy code requirements,” says Kolbeck. “Manufacturer ACE Organizations can generate code-mandated CMA Bid Certificates and Label Certificates for framing systems included in the NFRC CMAST library, no matter which glass is selected. This helps ensure responsive and accurate thermal performance verification on a project-to-project basis.”

Mifflin adds, “Model Energy codes like ASHRAE 90.1 and IECC [International Energy Conservation Code] reflect best practices for non-residential applications. Wausau recommends specifying U-Factor and SHGC requirements by citing the values used in the default, prescriptive or performance compliance path option employed during permitting. Performance of specific Wausau frame-glass combinations can be obtained from the NFRC Certified Products Directory or CMA Bid Certificate.”