Pella Architect Wood Double Casement Window

About the Pella Architect Wood Double Casement Window

What's better than a Pella Architect casement window? How about two of them combined. This double casement configuration can open up any room and add dramatic lighting in a beautiful package.

The Pella Architect Series is a high quality wood window that is famous for its beauty and craftsmanship.


These combination windows typically come in 2 or 3 lite configurations, which just mean they are two or three windows, but it is all one sturdy unit. We automatically include the ENERGY STAR® qualified glazing upgrade with AdvancedComfort Low-E glass and Argon gas. Other features include:

  • Comes factory-prefinished in eight beautiful stain colors, three paint colors, or primed interiors with wide selection of 27 exterior color finishes.
  • Comes with fold-away crank available in champagne, white, brown, bright brass, satin nickel, and oil-rubbed bronze.
  • 10 year manufacturers warranty on nonglass components and 20 year warranty on the insulated glass

U-factor indicates how well a product prevents heat from escaping.

The lower the number, the better. To meet Energy Star requirements, windows must have a u-factor at or below 0.27.

U factor


Thermal performance is a rating on a scale of 4 of the overall energy performance of the product.

Thermal Performance


Visible transmittance refers to how much visible light comes through the product.

The higher the number, the more light is transmitted. VT values typically range from 0.30 to 0.70.

Visible Transmittance


Solar heat gain coefficient measures how well a product blocks heat caused by sunlight.

The lower the number, the more it will help reduce the use of air conditioning and energy use. In cold climates, a higher SHGC is desirable to collect heat from sunlight. SHGC typically ranges from 0.25 to 0.80.

Solar Heat Gain Coefficient