A number of programs help out installers, specifiers and end users of hydronic heat.

The Hydronics Institute (HI) Division of the Gas Appliance Manufacturers Association is composed of more than 60 manufacturers of hydronic heating equipment, including boilers, various types of radiation and their accessories and controls. The division is engaged in a number of programs that benefit its manufacturer members, but also provides substantial benefits to the installers, specifiers and end users of hydronic equipment by promoting and advancing hydronic heating.