The quality of Pella® - The features you need When you install Pella® products, you’re not solely receiving their superior quality and durability, you’re receiving 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 room both comfortable and efficient. Various Pella products also include allergen reduction technology to protect you from dust, pet dander and other allergens. As a result, you will enjoy healthier air for your family to breath. Our commitment to energy efficiency Our commitment to energy efficiency Our commitment to the environment has been around just about as long as our business. All our products are 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 Innovation to reduce allergens in your home Innovation to reduce allergens in your home 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 find out the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!