The quality of Pella® - The features you desire When you install Pella® products, you’re not solely receiving their high quality and durability, you’re gaining the benefits of a company committed to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in all states, making your home both comfortable and efficient. Many 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. 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 Reducing allergens in your home Reducing allergens in your home Our between-the-glass technology can lead to a drastic allergen reduction in your home. Pella’s one-of-a-kind technology is available on many Pella windows and even some of our doors. View this page to learn how much Pella technology can affect your air quality. More about Allergen Reduction Schedule Now!