The quality of Pella® - The features you need 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. Many Pella products also contain 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. Pella products: superior energy efficiency Pella products: superior energy efficiency We’ve been committed to providing environmentally friendly products since our beginning. 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 save energy and save you money on your energy bills. More about Energy Efficiency Innovation to reduce allergens in your home Innovation to reduce allergens in your home Our between-the-glass technology can greatly cut down the allergens in your home. Our one-of-a-kind technology is available on many Pella windows and even some of our doors. Explore this page to find out just how much cleaner your air could be with Pella. More about Allergen Reduction Schedule Now!