The quality of Pella® - The features you desire When you install Pella® products, you’re not just receiving their high quality and durability, you’re getting the benefits of a company with a commitment to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in all states, making your room both comfortable and efficient. Various Pella products also include allergen reduction technology to give you protection from dust, pet dander and other allergens. In turn, you will enjoy healthier air for your family to breath. Pella products: superior energy efficiency Pella products: superior energy efficiency Pella has been around for more than 80 years, and we’ve always been committed to the environment. Every Pella product is ENERGY STAR® certified in the U.S., and we continuously strive to create the most efficient glass options to help reduce your energy bills and consumption. More about Energy Efficiency Cleaner air with Pella allergen reduction technology Cleaner air with Pella allergen reduction technology Our between-the-glass blinds and shades can lead to a drastic allergen reduction in your home. Pella’s one-of-a-kind technology is available on lots of Pella windows and even some of our doors. Click on this page to find out how much Pella technology can affect your air quality. More about Allergen Reduction Schedule Now!