Assertion: gas furnace | /r/HasProperty | 80% efficient
Facets:
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.