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 all 50 states, making your space both comfortable and efficient. Numerous Pella products also include allergen reduction technology to provide protection from dust, pet dander and other allergens. As a result, your home will have 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 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. This one-of-a-kind technology is available on lots of Pella windows and even some of our doors. View this page to discover how much Pella technology can affect your air quality. More about Allergen Reduction Schedule Now!