The quality of Pella® - The features you want When you install Pella® products, you’re not just receiving their superior 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 protect you from dust, pet dander and other allergens. In turn, you will enjoy healthier air for your family to breath. Our commitment to energy efficiency Our commitment to energy efficiency Pella has been around for more than 80 years, and we’ve always been committed to the environment. 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 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 window fashions can greatly cut down the allergens in your home. Our one-of-a-kind technology is available on lots of Pella windows and even some of our doors. Click on this page to learn just how much cleaner your air could be with Pella. More about Allergen Reduction Schedule Now!