Before revision: Designated as an American National Standard, the Uniform Solar, Hydronics and Geothermal Code (USHGC) is a model code developed by the International Association of Plumbing and Mechanical Officials (IAPMO) to govern the installation and inspection of solar energy and hydronic heating/cooling systems as a means of promoting the public's health, safety and welfare.
After revision: , and geothermal energy systemsDesignated as an American National Standard, the Uniform Solar, Hydronics and Geothermal Code (USHGC) is a model code developed by the International Association of Plumbing and Mechanical Officials (IAPMO) to govern the installation and inspection of solar energy and hydronic heating/cooling systems as a means of promoting the public's health, safety and welfare.