Geothermal Heat Pumps in Halifax (IMAGE) American Institute of Physics Caption Geothermal heat pumps in Halifax are shown. Credit Malate/AIP Usage Restrictions This image may be used only with appropriate credit. 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.