Thanks to advances in technology, today's ENERGY STAR qualified windows, doors, and skylights offer greater savings than ever before. Just look for the ENERGY STAR label.
Save energy and money.
Replacing old windows with ENERGY STAR qualified windows lowers household energy bills by 7-15 percent. Lower energy consumption also reduces greenhouse gas emissions from power plants and shrinks a house's carbon footprint.
Current Specification Effective Date: January 4, 2010
- The current criteria were finalized in April 2009.
- As of January 4, 2010, ENERGY STAR qualified windows, doors, and skylights meet new performance levels (194KB)
- Windows and skylights must meet U-Factor and, where applicable, Solar Heat Gain Coefficient (SHGC) requirements based on climate zone. 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.