EPA Releases Cost Data Used In Energy Star Version 6.0 Revision Process

Window & Door
August 23, 2013

In response to requests for more information related to the characteristics of the incremental cost data provided by windows manufacturers to EPA in the Energy Star Windows, Doors, and Skylights Version 6.0 Specification Revision Process, the U.S. Environmental Protection Agency has released additional data for review. The data includes:

  • Size of Manufacturers Providing Data
  • Geographic Distribution of Products for Manufacturers Providing Data
  • Frame Materials of Manufacturers Providing Data
  • Distribution of Data Points across U-Factors
  • Incremental Cost Data Analysis
  • Distribution Data Points across Climate Zones
  • Use of Low- and Average-cost Products to Assess Cost-Effectiveness


Comments on the Final Draft Version 6.0 specification must be submitted to EPA no later than September 6 to windows@energystar.gov.