ENERGY STAR High Efficiency Residential Windows Baseline Assessment

The Northwest Energy Efficiency Alliance (the Alliance) is supporting the efforts to promote Energy Star® level windows in the four Northwest states.  A marketing effort is now underway to expand the use of qualifying fenestration items which would meet Energy Star specifications – windows and patio doors with U values of U-35 or less, and skylights with U-values of U-45 or less. 

View Document Share