The quality of Pella® - The features you desire When you purchase Pella® products, you’re not just receiving their superior quality and durability, you’re gaining 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 protect you from dust, pet dander and other allergens. As a result, you will enjoy healthier air for your family to breath. Pella’s dedication to energy efficiency Pella’s dedication to energy efficiency Our commitment to the environment has been around just about as long as our business. All our products are ENERGY STAR® certified in the U.S., and we continuously strive to create 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. Pella’s one-of-a-kind technology is available on numerous Pella windows and even some of our doors. Explore this page to find out just how much cleaner your air could be with Pella. More about Allergen Reduction Schedule Now!