Assertion: indirect water heater | /r/HasProperty | the least expensive means
Facets:
value: usually
type: DEGREE
value: according to the department of energy
type: OTHER
Source sentences:
text: In fact, according to the Department of Energy, under ideal circumstances indirect water heaters are “the least expensive means of providing hot water” to the point-of-use fixtures you rely on every day, multiple times a day.
text: Indirect water heaters, when used in combination with new high-efficiency boilers, are usually the least expensive way to provide hot water (see “
text: An indirect water heater, if used with a high-efficiency boiler and well-insulated tank, can be the least expensive means of providing hot water, particularly if the heat source boiler is set to "cold start.