FLEX LAB (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption FLEXLAB, the world's most advanced building simulator and testbed, will be used to simulate office and school heating, ventilation, and air conditioning configurations. Credit Berkeley Lab Usage Restrictions None License Licensed 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.