All of The Window Source of Milwaukee products come with a limited lifetime warranty. You will have peace of mind knowing that you will only make this investment in your home once. Ask your window consultant for details.
All of The Window Source of Milwaukee products come with voluntary National Fenestration Rating Council (NFRC) labels so that you can compare with confidence. You can rely on the labels and forget about all the sales gimmicks that you may hear from companies charging much higher prices. In fact the US EPA relies on NFRC data to set its ENERGY STAR guidelines.
Be assured that you will gain valuable energy savings when you choose our High Performance Glass option. All of our products ordered with High Performance Glass will meet ENERGY STAR® guidelines in all US climate zones.
No other source gives you such peace of mind and ease when choosing new windows for your home. Join our growing family of satisfied customers at The Window Source where America shops for windows and doors.