POSTED ON February 08, 2018 in Oklahoma Projects BeforeAfterThe homeowner of this Tulsa, OK home wanted to upgrade their front picture window for energy efficiency purposes. We brought them a solution with our most premium vinyl window option - Pella® 350 Series. A vinyl picture window was installed with triple pane glass for increased energy efficiency. 54% - 83% more energy efficient with triple-pane glass compared to single-pane windows.11 Back to ProjectsProducts Used In This Project Vinyl Windows Picture Window Pella® 350 Series Related Projects February 20, 2018 in Projects 1980's Tulsa Home Replacement Windows August 23, 2018 in Projects 25 Year Old Tulsa Home Gets Wood Window Makeover February 23, 2021 in Projects 250 Series Vinyl Windows Installed in Phases