The quality of Pella® - The features you need When you install Pella® products, you’re not solely receiving their superior quality and durability, you’re receiving the benefits of a company dedicated to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in every state, making your space both comfortable and efficient. Many Pella products also include allergen reduction technology to protect you from dust, pet dander and other allergens. As a result, you will enjoy 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 Pella windows and doors are ENERGY STAR® certified in 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 Innovation to reduce allergens in your home Innovation to reduce allergens in your home Our between-the-glass technology can drastically reduce the allergens in your home. This 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 the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!