SLIDING WINDOWS from Pella® of Baltimore Pella Windows and Doors sliding windows open horizontally from one side, so you won’t need to reach up high or bend down low to open and close them. They open easily, too. Our tandem nylon rollers are extra-durable and ensure sleek openings and closings. Sliding windows are beautiful and convenient and let in plenty of fresh air. Choose vinyl or fiberglass windows from our various product lines to best fit your home’s look. Pella’s vinyl windows are longer-lasting than typical vinyl windows, and their strong frame design defends against warping and twisting. Plus, Pella Windows and Doors’s different sliding window choices will fit most all budgets. Fiberglass Windows Pella® Impervia® Pella® Impervia® Incredibly strong fiberglass Designed for durability with high quality materials (ask our rep for details). Excellent performance. The quality look of a painted wood window. Exceptional energy efficiency. Explore Pella® Impervia Series Vinyl Windows Pella® 350 Series Pella® 350 Series Distinctive vinyl windows with superior performance Exclusive technology ensures welded corners are virtually invisible. Robust, detailed frame profile. Stronger and more durable than typical vinyl windows. Save $101 - $583 each year when replacing single pane windows with Energy Star rated windows. Explore Pella® 350 Series Pella® 250 Series Pella® 250 Series Exceptional vinyl performance and style Pella’s durable frame design that resists warping and twisting. Pella 250 Series products with triple-pane glass are much more energy-efficient than single-pane windows. More of our most popular design features and options. A higher quality look than common vinyl. Explore Pella® 250 Series Encompass by Pella® ThermaStar by Pella® Encompass by Pella® ThermaStar by Pella® Competitively priced, easy-care vinyl Quality craftsmanship backed by Pella. Styles and options to fit most any budget. Low-maintenance vinyl frames. No more painting! Exceptional energy efficiency. Explore Encompass by Pella® Each Pella sliding window option is extremely energy efficient. Our windows meet or exceed ENERGY STAR® certifications in all states, and may be significantly more energy efficient with triple-pane glass. Our sliding window options will fit almost any budget. Schedule a free in-home appointment or visit our Baltimore showroom to learn more about our sliding replacement windows. Schedule Now!