The quality of Pella® - The features you desire When you purchase Pella® products, you’re not solely receiving their superior quality and durability, you’re gaining 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 contain allergen reduction technology to protect you from dust, pet dander and other allergens. In turn, 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. Every Pella product is ENERGY STAR® certified in the U.S., and we continuously strive to create 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 drastically reduce the allergens in your home. This one-of-a-kind technology is available on numerous 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!