ORNL researchers showcase prototype heat pump (IMAGE) DOE/Oak Ridge National Laboratory Caption Stor4Build industry stakeholders and leadership toured the Building Technologies Research and Integration at ORNL to see new innovations such as a novel heat pump integrated with thermal energy storage. Credit Alonda Hines/ORNL, U.S. Dept. of Energy Usage Restrictions None 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.