Learning More about Hot Water Systems (IMAGE) Virginia Tech Caption Randi Brazeau, left, and Marc Edwards, both of Virginia Tech, calculated that a typical consumer with an electric water heater would pay as much as $158 more annually compared to systems without recirculation. Credit Virginia Tech 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.