This course covers water-cooled comfort systems, water-source/ geothermal heat pumps, and high-efficiency heat pump systems including variable speed drives and controls. Emphasis is placed on the application, installation and servicing of water-source systems and the mechanical and electronic control components of advanced comfort systems. Upon completion, students should be able to test, analyze and troubleshoot water-cooled comfort systems, watersource/ geothermal heat pumps and high efficiency heat pumps.