#heating_system__heatingsystem__heating_plant__heatingplant__heating__heat  utility to warm a building; "the heating system wasn't working"; "they have radiant heating"
  supertype:  utility.installation  a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal: "the price of the house included all utilities"
  subtype:  central_heating  gas_heat  panel_heating  steam_heat
  part of:  edifice
  part:  steam_boiler__steamboiler__boiler  sealed vessel where water is converted to steam
     part:  steam_whistle__steamwhistle  a whistle in which the sound is produced by steam; usually attached to a steam boiler
  part:  radiator.heater  heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings

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