The quality of Pella® - The features you want When you buy Pella® products, you’re not only receiving their coveted quality and durability, you’re getting the benefits of a company dedicated to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in all 50 states, making your space both comfortable and efficient. Numerous Pella products also include allergen reduction technology to give you protection from dust, pet dander and other allergens. In turn, your home will have 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 most of Canada and the U.S., and we continuously strive to create the most efficient glass options to help you save 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 numerous Pella windows and even some of our doors. Click on this page to learn how much Pella technology can affect your air quality. More about Allergen Reduction Schedule Now!