Assertion: high efficiency furnace | /r/CapableOf | operate without chimney
Facets:
value: with being about 80% efficient
type: OTHER
Source sentences:
text: Modern high-efficiency furnaces can be up to 98% efficient and operate without a chimney, with a typical gas furnace being about 80% efficient.
text: Modern high-efficiency furnaces can be up to 98% efficient and operate without a chimney, with a typical gas furnace being about 80% efficient.