Any of various heating systems in which a central source of heat is used to distribute heat (and sometimes hot water) throughout a building in a controlled manner
a heating system in which air or water is heated at a central furnace and sent through the building via vents or pipes and radiators
Central heating is a heating system for buildings. Air or water is heated in one place and travels round a building through pipes and radiators. a system of heating buildings in which water or air is heated in one place and then sent around the rest of the building through pipes etc