The quality of Pella® - The features you desire When you purchase Pella® products, you’re not solely receiving their coveted 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 50 states, making your home both comfortable and efficient. Numerous 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 products: superior energy efficiency Pella products: superior energy efficiency We’ve been committed to providing environmentally friendly products since our beginning. Every Pella product is 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 lead to a drastic allergen reduction in your home. Our one-of-a-kind technology is available on many Pella windows and even some of our doors. Explore this page to learn how much Pella technology can affect your air quality. More about Allergen Reduction Schedule Now!