Assertion: tankless water heater | /r/HasProperty | powered by natural gas
Facets:
value: typically
type: DEGREE
value: often
type: TEMPORAL
Source sentences:
text: Tankless water heaters are often powered by natural gas, but electric models are also on the market.
text: The best tankless gas water heater is one of the most frequently used heating machine, as it is powered by natural gas, the using costs are relatively low.
text: The tankless gas water heater is a heating machine, powered mainly by natural gas.
text: The whole house gas tankless water heater is powered mainly by natural gas, it is the most powerful types among three kinds.
text: Tankless water heaters are typically powered by either electricity, natural gas or liquid propane.