The quality of Pella® - The features you desire When you purchase Pella® products, you’re not just receiving their coveted quality and durability, you’re getting the benefits of a company committed to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in all 50 states, making your home both comfortable and efficient. Various Pella products also include allergen reduction technology to provide protection from dust, pet dander and other allergens. Because of this, you will enjoy healthier air for your family to breath. Pella’s dedication to energy efficiency Pella’s dedication 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 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 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. Explore this page to find out the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!