The quality of Pella® - The features you want When you install Pella® products, you’re not only 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 home both comfortable and efficient. Various Pella products also feature allergen reduction technology to protect you from dust, pet dander and other allergens. Because of this, your home will have 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 are working to develop the most efficient glass options to help you save 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 drastically reduce the allergens in your home. This one-of-a-kind technology is available on many Pella windows and even some of our doors. Click on this page to discover the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!