The quality of Pella® - The features you need When you buy Pella® products, you’re not just receiving their coveted quality and durability, you’re getting 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 room both comfortable and efficient. Various Pella products also contain allergen reduction technology to give you protection from dust, pet dander and other allergens. Because of this, your home will have healthier air for your family to breath. Pella’s dedication to energy efficiency Pella’s dedication to energy efficiency We’ve been committed to providing environmentally friendly products since our beginning. All Pella windows and doors are ENERGY STAR® certified in the U.S., and we continuously are working to develop the most efficient glass options to help reduce your energy bills and consumption. 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 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!