Assertion: furnace's heat exchanger | /r/CapableOf | increase fuel efficiency
Facets:
value: greatly
type: MANNER
Source sentences:
text: They were equipped with combustion air blowers that would pull air through the heat exchanger which greatly increased fuel efficiency while allowing the heat exchangers to become smaller.
text: They were equipped with combustion air blowers that would pull air through the heat exchanger which greatly increased fuel efficiency while allowing the heat exchangers to become smaller.