Assertion: conditioner's system | /r/MadeOf | heat pump
Facets:
value: to air
type: TRANSITIVE-OBJECT
value: to steam
type: PURPOSE
value: to heat water
type: PURPOSE
Source sentences:
text: Such a system contains a boiler, furnace, or heat pump to heat water, steam, or air in a central location such as a furnace room in a home, or a mechanical room in a large building.