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What are the primary disadvantages of room air conditioners?

A. Energy efficiency
B. Ease of installation
C. Limited cooling capacity
D. Quiet operation

Answer :

Final answer:

The primary disadvantage of room air conditioners is their limited cooling capacity. They often only effectively cool the immediate area they are installed in, potentially requiring multiple units for larger spaces. While they usually have an Energy Efficiency Rating indicating efficient power use, purchase and running costs need to be considered. Despite generally being more straightforward to install compared to central systems, frequent setup and removal can be inconvenient.

Explanation:

The primary disadvantages of room air conditioners largely pertain to their design and capacity. Option 'c' - limited cooling capacity - is definitely a drawback. This reflects the fact that room air conditioners are often only effective in cooling the immediate area in which they are installed, rather than an entire dwelling. Consequently, multiple devices may be required for larger spaces, which results in higher power consumption.

This leads into another disadvantage, which isn't mentioned in your options but important nonetheless - the Energy Efficiency Rating (EER). The EER of an air conditioner indicates how much cooling a device delivers per unit of power consumed. Generally, the greater the EER, the more efficient, yet potentially the costlier the device might be. Room air conditioner EERs typically range from 6 to 12. While energy efficiency might be viewed as a benefit, it's essential to weigh up the initial purchase cost and long-term running costs.

Finally, room air conditioners are generally easier to install compared to a central air conditioning system (option 'b'). Yet, easy installation can also be viewed as a disadvantage. Frequent installation and removal of room air conditioners, especially for those in environments with different seasons, can present its own set of challenges and inconveniences.

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