The quality of Pella® - The features you need When you buy Pella® products, you’re not solely receiving their high quality and durability, you’re receiving 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 include allergen reduction technology to give you protection from dust, pet dander and other allergens. Because of this, you will enjoy healthier air for your family to breath. Pella products: superior energy efficiency Pella products: superior 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 work to provide 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 window fashions can greatly cut down the allergens in your home. Pella’s one-of-a-kind technology is available on many Pella windows and even some of our doors. Click on this page to learn just how much cleaner your air could be with Pella. More about Allergen Reduction Schedule Now!