The quality of Pella® - The features you want When you install Pella® products, you’re not just receiving their high quality and durability, you’re gaining the benefits of a company committed 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 feature allergen reduction technology to give you protection from dust, pet dander and other allergens. As a result, you will enjoy healthier air for your family to breath. Our commitment to energy efficiency Our commitment to energy efficiency We’ve been committed to providing environmentally friendly products since our beginning. 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. Our one-of-a-kind technology is available on numerous Pella windows and even some of our doors. Explore this page to learn the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!