The National Fenestration Rating Council (NFRC) is an international coalition that administers testing, certification and labeling of windows, skylights and doors. NFRC sets energy test standards and administers ratings by independent labs. The NFRC energy performance label helps code officials, builders, retailers and consumers reliably compare one product to another by providing detailed performance measures.
The NFRC label, required for code compliance, contains the following performance data:
From a code compliance perspective, there are requirements in Texas code for U-factor, Solar Heat Gain Coefficient (SHGC) and Air Leakage ratings, so having this information in one easy-to-access location in invaluable.
For a detailed discussion of the current rating requirements in Texas, visit the Code Requirements page.