Pulling the shades for energy savings (IMAGE) DOE/Oak Ridge National Laboratory Caption Oak Ridge National Laboratory researchers tested the performance of cellular shades in a two-story residential home in the Southeast and proved coverings with a honeycomb structure provide significant energy savings during winter and can potentially reduce carbon emissions. Credit ORNL, U.S. Dept. of Energy Usage Restrictions n/a License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.