• Sleek lines and expansive glass.

  • Minimalist frames in contemporary styles.

  • Exclusive window hardware available in complementary finishes.

  • Grilles available in square profiles to create a modern look.

  • Expansive glass without compromising on exceptional energy efficiency.

Be Window Smart

Wood Windows and Patio Doors

Why Choose Architect Series 850 Contemporary?

The Next Generation of Wood is Here

Enhanced to last, Pella's wood windows and patio doors provide unparalleled beauty, design flexibility and strong protection against the elements with three key features:

  • Pella® EnduraGuard® Wood Protection provides advanced protection against the effects of moisture, decay, stains from mold and mildew as well as termite damage.
  • Pella EnduraClad® Low-maintenance Exterior Finish features an aluminum-clad exterior that resists fading and stays looking great for years. Optional decorative trim and brickmould also available.
  • AdvantagePlus® Protection System stands up to the elements so your Pella patio door can stay looking great longer.

Pella wood windows and wood patio doors have a limited lifetime warranty. See written Limited Warranty for details, including exceptions and limitations.


Sleek Lines and Expansive Glass Provide the Ultimate View

  • Create the ultimate view with the modern look of our contemporary offering, featuring sleek sightlines and modern options like Black interior stain.
  • Exclusive contemporary window hardware is available in styles and finishes to complement the design.

Beautifully Energy Efficient

  • Exceptional energy efficiency.
  • Pella Architect Series windows with triple-pane glass are 52% to 78% more energy-efficient than single-pane windows.1
  • Pella Architect Series windows and patio doors offer the energy-efficient options that will meet or exceed ENERGY STAR® certification in all 50 states.

Sizing Information

Prefer Professional Installation?


Rather not tackle window installation?

Let a Lowe's Project Specialist help with an expert installation and professional service you can count on.

  • Shop at home with a Lowe's project specialist.
  • We measure to ensure a precise fit.
  • You get a complete project quote including installation.

  • Enjoy satisfaction for years to come.

    Pella wood windows and patio doors are quality crafted to stand the test of time.

    Pella® wood windows and patio doors are backed by one of the best warranties in the business. See written warranty for complete details, including exceptions and limitations.


    Pella is passionate about quality.

    Pella has a steadfast commitment to quality going beyond what meets the eye.


    Looking for installation guides?

    Get answers to your installation questions in our comprehensive Pella window and door installation guides.


    1 Improved window energy efficiency calculated in a computer simulation using RESFEN 5.0 default parameters for a 2,000 square-foot existing single-story home when comparing a Pella Architect Series wood window with InsulShield® Advanced Low-E triple-pane glass with argon to a single-pane wood or vinyl window, For more details, see pella.com/methodology.

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