The quality of Pella® - The features you want When you install Pella® products, you’re not solely 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 every state, making your home both comfortable and efficient. Numerous Pella products also feature allergen reduction technology to protect you 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 We’ve been committed to providing environmentally friendly products since our beginning. All our products are ENERGY STAR® certified in the U.S., and we continuously strive to create 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. Pella’s one-of-a-kind technology is available on many 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!