The quality of Pella® - The features you need When you install Pella® products, you’re not just receiving their coveted quality and durability, you’re receiving the benefits of a company committed to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in all states, making your room both comfortable and efficient. Many Pella products also include allergen reduction technology to protect you from dust, pet dander and other allergens. Because of this, you 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 the U.S., and we continuously are working to develop 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 technology can lead to a drastic allergen reduction in your home. This one-of-a-kind technology is available on numerous Pella windows and even some of our doors. Click on this page to discover the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!