The quality of Pella® - The features you need When you purchase Pella® products, you’re not just receiving their high quality and durability, you’re getting the benefits of a company committed to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in every state, making your space both comfortable and efficient. Many Pella products also include allergen reduction technology to provide protection from dust, pet dander and other allergens. As a result, 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 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 window fashions can greatly cut down the allergens in your home. Pella’s one-of-a-kind technology is available on many Pella windows and even some of our doors. Explore this page to discover the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!