The Pella® 350 Series from Pella of Grand Rapids includes remarkably designed vinyl replacement windows and patio doors that are energy efficient and priced to appeal to any budget. All of these windows and patio doors mirror the same demanding standards as other Pella® replacement windows and patio doors.
Engineered with a reinforced frame that’s 83 percent stronger than ordinary vinyl1, Pella 350 Series windows and sliding patio doors also feature precision corner welding to help resist warping and twisting over time. And, our exclusive SmoothSeamTM interior welded corners are nearly invisible. Adding to their lasting beauty, our DuraColor™ exterior finish tops industry standards for fade resistance2, so you can expect beautiful, vivid colors for years to come.
In addition to being appealing and durable, Pella 350 Series replacement windows and patio doors are our most energy efficient. The technology used to create energy efficiency is InsulShield® Advanced Low-E double-pane glass. Filled with argon gas, InsulShield glass options not only shield against high temperatures, but also repel the sun’s UV rays. You can increase your energy efficiency even further with triple-pane glass, which also helps lessen the amount of outside noise that enters your room.3