Consider a building whose annual air-conditioning load is estimated to be 40,000 kWh in an area where the unit cost of electricity is RM0.10/kWh. Two air conditioners (Figure 2) are considered. for the building. Air conditioner A has a seasonal average COP of 2.3 and costs RM5500 to purchase and install. Air conditioner B has a seasonal average COP of 3.6 and costs RM7000 to purchase and install. All else being equal, determine which air conditioner is a better buy. Air cond. COP = 2.3 Win House 40,000 kWh 40,000 kWh B Air cond. COP = 3.6 Win

Consider a building whose annual air-conditioning load is estimated to be 40,000 kWh in an area where the unit cost of electricity is RM0.10/kWh. Two air conditioners (Figure 2) are considered. for the building. Air conditioner A has a seasonal average COP of 2.3 and costs RM5500 to purchase and install. Air conditioner B has a seasonal average COP of 3.6 and costs RM7000 to purchase and install. All else being equal, determine which air conditioner is a better buy. Air cond. COP = 2.3 Win House 40,000 kWh 40,000 kWh B Air cond. COP = 3.6 Win

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Consider a building whose annual air-conditioning load is estimated to be 40,000 kWh in an area
where the unit cost of electricity is RM0.10/kWh. Two air conditioners (Figure 2) are considered
for the building. Air conditioner A has a seasonal average COP of 2.3 and costs RM5500 to
purchase and install. Air conditioner B has a seasonal average COP of 3.6 and costs RM7000 to
purchase and install. All else being equal, determine which air conditioner is a better buy.
A
Air cond.
COP = 2.3
D
Win
House
40,000 kWh
Figure 2
40,000 kWh
B
Air cond.
COP = 3.6
Win

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