The quality of Pella® - The features you need When you purchase Pella® products, you’re not just receiving their superior quality and durability, you’re getting the benefits of a company with a commitment to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in every state, making your home both comfortable and efficient. Various Pella products also contain allergen reduction technology to provide protection from dust, pet dander and other allergens. Because of this, you will enjoy healthier air for your family to breath. Pella’s dedication to energy efficiency Pella’s dedication to energy efficiency Pella has been around for more than 80 years, and we’ve always been committed to the environment. All our products are ENERGY STAR® certified in the U.S., and we continuously strive to create the most efficient glass options to help reduce your energy bills and consumption. More about Energy Efficiency Cleaner air with Pella allergen reduction technology Cleaner air with Pella allergen reduction technology Our between-the-glass technology can drastically reduce the allergens in your home. Our one-of-a-kind technology is available on many Pella windows and even some of our doors. Click on this page to learn the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!