Window Energy Efficiency

The Most Efficient Window

Energy Star Stickers
Click to enlarge

Xtreme windows combine several high-tech coatings, an argon gas insulation barrier and a number of manufacturing details that achieve both a beautiful clear glass look while delivering incredible insulating performance. The chart below shows how they work. Don’t be fooled by other claims – insist on seeing the NFRC rating sticker and compare (enlarge our actual stickers at right) – you just won’t find a lower U-Factor!

Click to review detailed testing data for Homefix’s exclusive Xtreme 3, 4, & 5 windows

window efficiency chart

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