Save Money and Energy — Choose ENERGY STAR Qualified Windows, Doors, and Skylights

Installing ENERGY STAR qualified windows lowers energy bills and saves you money over single-pane and even new double-paned, clear-glass windows.

For a typical home, choose ENERGY STAR and save:

  • $126–$465 a year when replacing single-pane windows
  • $27–$111 a year over double-pane, clear glass replacement windows

Map displaying cost savings by region

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City Cost and Energy Savings

How much money and energy is saved per city? View City Savings Estimates PDF (78KB).

Lawrence Berkeley National Laboratory (LBNL)

Savings estimates were generated using a methodology based on RESFEN 3.1 calculations performed by Lawrence Berkeley National Laboratory (LBNL) Exit ENERGY STAR.