The quality of Pella® - The features you want When you install Pella® products, you’re not only receiving their superior 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. Numerous Pella products also feature allergen reduction technology to give you protection from dust, pet dander and other allergens. As a result, your home will have 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 reduce your energy bills and consumption. 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. This one-of-a-kind technology is available on many Pella windows and even some of our doors. View this page to discover the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!