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NFRC Temporary Label Requirements – Reference Article

Summary

This Reference Article defines and explains the topic of label requirements for NFRC labels.

Information

The NFRC (National Fenestration Rating Council) provides an international standard to allow buyers of windows to understand structural elements of their purchase. For energy performance, there is a label that certified manufacturers can use apply to the window that communicate the windows performance on several key elements such as:

  • U-Factor – ability to retain heat in a room
  • Solar Heat Gain Coefficient – ability to resist heat gain when exposed to the sun
  • Visible Transmittance – amount of natural light allowed in by the window
  • Air Leakage – how much air will enter the room through the window

For Energy Star program participants, the Energy Star and NFRC labels can be combined into one ‘Integral NFRC / Energy Star Temporary Label’.

Energy Star qualification means that the Window meets certain minimum criteria (U-Factor, Solar Heat Gain Coefficient, and Air Leakage) from the Energy Star program.

The U-Factor and SHGC minimums are based specifically defined Climate Zones. Thus the Energy Star label must show, on a map the applicable climate zones.

Additional Information

NFRC Energy Ratings Label Information

IMPORTANT NOTE:

To insure compliance with NFRC labeling requirements, various trademark guidelines, and use of the recommended label material and adhesive (i.e. will stick to a window but will come off later with minimal residue), it is recommended that manufactures purchase preprinted labels from a certified company (e.g. Keystone Pre-Printed Label Overview).

For manufactures who need to print ‘on-demand’ labels (e.g. labels integrated with their manufacturing systems – ERP, MRP, etc.), label templates (i.e. pre-printed label stock) can be purchased that meet requirements but allow the print user to print product specific information at print time (e.g. Keystone Label Catalog)

Updated on December 29, 2017

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