The quality of Pella® - The features you need When you purchase 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 home both comfortable and efficient. Many Pella products also contain 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. 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 are working to develop 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 greatly cut down the allergens in your home. This one-of-a-kind technology is available on numerous Pella windows and even some of our doors. Click on this page to learn how much Pella technology can affect your air quality. More about Allergen Reduction Schedule Now!