Assertion: radiant heat | /r/HasProperty | installed as supplemental heat
Facets:
value: in one room
type: LOCATION
value: because of the high cost of electricity
type: CAUSE
value: typically
type: TEMPORAL
Source sentences:
text: Because of the high cost of electricity, electric radiant floor heat is typically installed as supplemental heat in one room rather than as the main system for an entire house, and typically costs $5-$7 per square foot for just the materials or $8-$12 or more per square foot with professional installation, depending on local rates.