释义 |
central heating systems central heating systemsUsed in mass dwellings in cold climates to simultaneously distribute a treated hot/cold, air/fluid to multiple spaces. Central systems use a furnace, boiler, or heat pump to transfer heated air, water, or steam through ductwork or radiators. For smaller environments and/or temporary circumstances, heating may also be provided via local, nonmechanical means, such as electric space heaters, baseboard and wall heaters, heat pumps, and passive systems. See also: Heating/cooling systems |