The quality of Pella® - The features you want When you install Pella® products, you’re not just receiving their high 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 space both comfortable and efficient. Many Pella products also contain allergen reduction technology to provide protection from dust, pet dander and other allergens. In turn, you will enjoy healthier air for your family to breath. Our commitment to energy efficiency Our commitment to energy efficiency Pella has been around for more than 80 years, and we’ve always been committed to the environment. All Pella windows and doors are ENERGY STAR® certified in the U.S., and we continuously are working to develop the most efficient glass options to help save energy and save you money on your energy bills. More about Energy Efficiency Innovation to reduce allergens in your home Innovation to reduce allergens in your home Our between-the-glass blinds and shades can drastically reduce the allergens in your home. Our one-of-a-kind technology is available on numerous Pella windows and even some of our doors. Explore this page to learn how much Pella technology can affect your air quality. More about Allergen Reduction Schedule Now!