Assertion: combi boiler | /r/HasProperty | efficient
Facets:
value: cost
type: OTHER
value: remarkably
type: DEGREE
value: at heating the water
type: TRANSITIVE-OBJECT
value: particularly
type: DEGREE
Source sentences:
text: Combi boilers are particularly energy efficient, as they only utilize a single tank for both central heating and instant hot water, making them good for small properties.
text: A combi boiler is also remarkably efficient at heating the water – up to 98% efficient.
text: Combi boilers, however, are both cost and energy efficient and great for smaller homes.