54% - 83% more energy efficient with triple-pane glass compared to single pane windows.
Exclusive energy-saving system. Pella 350 Series vinyl products feature an exclusive energy-saving system which makes them Pella's most energy-efficient products.7
InsulShield® Advanced Low-E triple-pane glass with argon
- Protection from extreme temperatures
- Blocks 86% of the sun's ultraviolet rays.
Frames have up to 18 insulating air chambers — significantly more than ordinary vinyl — to keep your home warmer in the winter and cooler in the summer.
Optional foam insulation increases energy performance.
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