Residential Windows, Doors and Skylights
Save energy and money.
Replacing old windows with ENERGY STAR certified windows lowers household energy bills by an average of 12 percent nationwide. Lower energy consumption also reduces greenhouse gas emissions from power plants and homes.
Current Specification Effective Date: January 1, 2015
- The current criteria were finalized in January 2014.
- New performance levels (PDF, 238.86 KB) are effective as of January 1, 2016 including Northern Zone prescriptive and equivalent energy performance criteria for windows, doors, and skylights in all climate zones.
- Windows, doors and skylights must meet U-Factor and, where applicable, Solar Heat Gain Coefficient (SHGC) requirements based on climate zone. In addition, doors must meet U-Factor and, where applicable, SHGC requirements based on glazing level (amount of glass).
- Windows, doors and skylights originally qualified for the ENERGY STAR label in March, 1998.
Did you know?
ENERGY STAR certified windows, doors, and skylights can reduce your energy bills by an average of 12% nationwide, while helping protect the environment.