Exclusive energy-saving system.
Pella 350 Series vinyl patio doors feature an exclusive energy-saving system which makes them Pella's most energy-efficient products.7
(A) InsulShield® Advanced Low-E triple-pane glass with argon
- Protection from extreme temperatures.
- Blocks 86% of the sun's ultraviolet rays.
(B) 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.
(C) Optional foam insulation increases energy performance.