Sharc International Systems Inc, formerly International Wastewater System Inc, is a Canada-based company, which provides wastewater heat exchange products and services. The Company operates multi-unit residential, and industrial and public buildings projects. It offers various products, such as SHARC-HP/HX Wastewater Heat Recovery System and Piranha Wastewater Heat Recovery System. The SHARC system exchanges energy with wastewater that provides the supply of thermal energy available for space conditioning and domestic hot water heating. The SHARC HP systems include standard and high temperature heat pumps with leaving water temperatures from 100 degrees Fahrenheit to 160 degrees Fahrenheit. The Piranha is a self-contained heat pump that uses a direct expansion heat exchanger to extract thermal energy from a building's wastewater for domestic hot water heating. The Piranha is used for residential buildings and commercial applications.