About the Presenter: Ray McGowan, National Fenestration Rating Council (NFRC) Mr. McGowan manages the commercial fenestration energy rating program at NFRC, the Component Modeling Approach . Mr. McGowan works with many fenestration trade organizations such as ANSI, the National Institute of Building Science, ASHRAE as a voting member of ASHRAE SSPC 90.1/Envelope SC and ASHRAE […]