The quality of Pella® - The features you desire When you buy Pella® products, you’re not solely receiving their coveted quality and durability, you’re receiving the benefits of a company dedicated to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in all states, making your home both comfortable and efficient. Numerous Pella products also contain allergen reduction technology to provide protection from dust, pet dander and other allergens. Because of this, 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. Every Pella product is ENERGY STAR® certified in the U.S., and we continuously work to provide 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 blinds and shades can lead to a drastic allergen reduction 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 the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!