Service & TroubleshootingCâu 83 / 110
HSPF (or HSPF2) rates the seasonal efficiency of what?
a.A gas furnace
b.A heat pump in heating mode
c.An evaporative cooler
d.A duct booster fan
Giải thích
Heating Seasonal Performance Factor rates how efficiently a heat pump delivers heat over a heating season. A higher HSPF, or the updated HSPF2, means more heat per unit of electricity. It complements SEER, which rates the same unit's cooling efficiency.
Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Low airflow across an evaporator coil during cooling most commonly causes what?
- SEER (or SEER2) is a rating that describes what?
- AFUE is the efficiency rating used for what equipment?
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- A dirty flame sensor on a modern furnace most commonly causes what symptom?
- When measuring the actual airflow of an installed system, which measurement helps diagnose a restrictive duct system?
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