The quality of Pella® - The features you desire When you install Pella® products, you’re not solely receiving their superior quality and durability, you’re gaining the benefits of a company with a commitment to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in all states, making your room both comfortable and efficient. Numerous Pella products also include allergen reduction technology to give you protection from dust, pet dander and other allergens. In turn, you 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. Every Pella product is ENERGY STAR® certified in the U.S., and we continuously work to provide the most efficient glass options to help you save 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 greatly cut down the allergens in your home. Pella’s one-of-a-kind technology is available on numerous Pella windows and even some of our doors. View this page to discover just how much cleaner your air could be with Pella. More about Allergen Reduction Schedule Now!