Service & TroubleshootingCâu 82 / 110
AFUE is the efficiency rating used for what equipment?
a.Air conditioners
b.Cooling towers
c.Gas and oil furnaces
d.Duct systems
Giải thích
Annual Fuel Utilization Efficiency (AFUE) expresses the percentage of fuel energy a furnace converts to usable heat over a season. A 95 percent AFUE furnace delivers 95 percent of the fuel's energy as heat. It is the standard heating-efficiency metric for furnaces.
Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- If a condenser fan motor fails while the compressor keeps running, what symptom is most likely?
- Low airflow across an evaporator coil during cooling most commonly causes what?
- SEER (or SEER2) is a rating that describes what?
- HSPF (or HSPF2) rates the seasonal efficiency of what?
- A furnace that heats briefly then shuts off repeatedly before satisfying the thermostat is exhibiting what?
- A dirty flame sensor on a modern furnace most commonly causes what symptom?
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