Assertion: heat pump | /r/HasAspect | hspf ratings
Facets:
value: with being the highest hspf rating
type: OTHER
value: between 10
type: OTHER
value: between 8
type: OTHER
Source sentences:
text: The most efficient heat pumps available on the market have HSPF ratings between 8 and 10 (with 10 being the highest HSPF rating that’s available).
text: If your heat pump is nearing its 10th birthday, it could have an HSPF rating less than 7.7.