Question
5. Consider a building whose annual air-conditioning load is estimated to be 120,000 kWh in an
area where the unit cost of electricity is $0.10/kwh. Two air conditioners are considered for the
building. Air conditioner A has a seasonal average COP of 3.2 and costs $5500 to purchase and
install. Air conditioner B has a seasonal average COP of 5.0 and costs $7000 to purchase and
install. If all else are equal, determine which air conditioner is a better buy
120,000 kWh
Air cond. A
Air cond. B
'COP=5.0
COP 3.2
House
120,000 kWh
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Transcribed Image Text:5. Consider a building whose annual air-conditioning load is estimated to be 120,000 kWh in an area where the unit cost of electricity is $0.10/kwh. Two air conditioners are considered for the building. Air conditioner A has a seasonal average COP of 3.2 and costs $5500 to purchase and install. Air conditioner B has a seasonal average COP of 5.0 and costs $7000 to purchase and install. If all else are equal, determine which air conditioner is a better buy 120,000 kWh Air cond. A Air cond. B 'COP=5.0 COP 3.2 House 120,000 kWh
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