Assertion: heat pump's seer | /r/AtLocation | the time
Facets:
value: with being more efficient
type: CAUSE
Source sentences:
text: It is ranked on a scale between SEER 7 (no units less than SEER 7 still exist), and SEER 21 or 25 (or whatever the highest SEER on the market is at the time), with higher SEER values being more efficient.