A list of applicable energy-related terms used in the glass and glazing industry. Most of these terms are applicable to both the commercial and residential fenestration.

 

The Technical Services Division of the National Glass Association (NGA) has produced this Glass Technical Paper solely for informational purposes. This Paper was developed by dedicated member volunteers and subject matter experts. The original version of this document was approved and published in 2017. This version of the document was updated and published in June 2022. All purchases will be electronically accessed or delivered.