The quality of Pella® - The features you desire When you install Pella® products, you’re not solely receiving their superior quality and durability, you’re gaining 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 protect you from dust, pet dander and other allergens. As a result, 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 work to provide the most efficient glass options to help reduce your energy bills and consumption. More about Energy Efficiency Reducing allergens in your home Reducing allergens in your home Our between-the-glass technology can lead to a drastic allergen reduction in your home. Pella’s one-of-a-kind technology is available on lots of Pella windows and even some of our doors. View this page to find out the benefits of Pella’s allergen reduction technology. More about Allergen Reduction Schedule Now!