The quality of Pella® - The features you want When you install Pella® products, you’re not just receiving their superior quality and durability, you’re getting 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. Numerous Pella products also include allergen reduction technology to give you protection from dust, pet dander and other allergens. In turn, you 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 our products 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 blinds and shades can drastically reduce the allergens in your home. This one-of-a-kind technology is available on many Pella windows and even some of our doors. View this page to discover how much Pella technology can affect your air quality. More about Allergen Reduction Schedule Now!