Crafted by Pella, Certified by ENERGY STAR® ENERGY STAR is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy to help Americans shield the environment through energy efficient products and practices. Because ENERGY STAR focuses on conserving energy, you’ll likely also save on your energy expenses. All Pella glass options meet or exceed ENERGY STAR certification across the U.S. What does this mean for you? Not only might you experience decreased heating and cooling costs, you’ll also help protect the environment. Moreover, you’ll help increase your home’s comfort since our ENERGY STAR certified glass blocks most of the sun’s ultraviolet rays. That means almost no fading for your window shades, carpet, furniture and walls. Look for the ENERGY STAR logo on our products as you glance through our site or Kalamazoo Showroom. You’ll find it located on the product’s NFRC label. Some of Pella’s products significantly exceed U.S. ENERGY STAR guidelines. Contact your Kalamazoo Showroom to learn more. Schedule Now!