The quality of Pella® - The features you need When you buy 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 all states, making your room both comfortable and efficient. Various Pella products also feature allergen reduction technology to provide protection from dust, pet dander and other allergens. In turn, you will have healthier air for your family to breath. Pella’s dedication to energy efficiency Pella’s dedication 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 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 blinds and shades can greatly cut down the allergens in your home. Pella’s one-of-a-kind technology is available on lots of Pella windows and even some of our doors. Click on this page to learn how much Pella technology can affect your air quality. More about Allergen Reduction Schedule Now!