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Pella’s Most Efficient Vinyl Products
Protect your home from drafts and leaks with Pella’s most energy-efficient vinyl products. The vinyl frame has up to 18 insulating air chambers inside. And optional foam insulation increases energy performance further. Products with triple-pane glass and foam insulation have been named the Most Efficient of ENERGY STAR® for 2020.1
Our low-maintenance, exclusive vinyl formula has been designed and tested to withstand extreme temperatures and weather conditions. SmoothSeam™ interior corner welds and reinforced vinyl frames allows these windows to look great, no matter what life throws their way.
Stand Up to the Extremes
Pella 350 Series windows offer features and options to stand up to extreme conditions.
Industry Recognized Performance
Our multi-chambered design and optional foam insulation help make 350 Series one of ENERGY STAR®'s most efficient certified windows.1
When compared to ordinary vinyl, optional reinforced frames are 83% stronger.13
For the Pros
Vinyl Window Installation and Product Specs
Trade professionals have questions; we have answers. Pella 350 Series windows Pella 350 Series windows were purposefully designed to be a great choice for new construction and replacement projects.