The quality of Pella® - The features you need When you install Pella® products, you’re not solely receiving their high quality and durability, you’re getting the benefits of a company dedicated to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in all states, making your room both comfortable and efficient. Numerous Pella products also feature allergen reduction technology to protect you from dust, pet dander and other allergens. Because of this, you will enjoy 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 work to provide the most efficient glass options to help you save 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 technology 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. View this page to discover the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!