1Some Pella products may not meet ENERGY STAR guidelines in Canada. For more information, contact your local Pella sales representative or go to energystar.gc.ca.
2Warning: Use caution when children or pets are around open windows and doors. Screens are not designed to retain children or pets.
3Screen cloth airflow is based on calculated screen cloth openness. Screen cloth transmittance was measured using an integrated sphere spectrophotometer.
4Glass options can be upgraded to offer the benefits of our InsulShield glass collection. Glass options may vary by product.
5Optional high-altitude Low-E insulating glass does not contain argon in most products. Please see your local Pella sales representative for more information.
6Computer simulation average compared to single-pane wood windows. Actual results may vary.
7 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 350 Series vinyl 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.