The quality of Pella® - The features you need When you buy Pella® products, you’re not just receiving their coveted quality and durability, you’re receiving the benefits of a company with a commitment to protecting the environment. All Pella products meet or exceed ENERGY STAR® certification in all 50 states, making your room both comfortable and efficient. Many Pella products also contain allergen reduction technology to give you protection 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. All Pella windows and doors are ENERGY STAR® certified in the U.S., and we continuously work to provide 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 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!