ENERGY STAR® is a government-backed program that helps consumers identify energy efficient products. Look for the ENERGY STAR® label on your product. Every FiberFrame® window and door comes with a label that identifies its performance.

+ Click here

Energy Cost Savings

Save Money With FiberFrame® Fiberglass Windows and Doors:

Choose FiberFrame® ENERGY STAR® rated fiberglass windows and doors and save:

To calculate your own savings, go to the Cardinal calculator.

You’ll feel the difference in your home, and see the savings in your energy costs. Learn more about how FiberFrame’s® replacement windows bring energy efficiency into your home.

Earn up to $1500 in Federal Energy Tax Credit in 2009 and 2010 with FiberFrame® windows using LowE-366 glass.