To answer this question, we need to know how much electricity a ceiling fan consumes. In summer, it's very common to use air conditioning or fans to withstand scorching weather. Normally, the power of the smallest household air conditioning is about 1500W. That means it will consume 1.5 kWh of electricity per hour.
However, Most ceiling fans draw between 15 and 100 watts of electricity. If we take the average using 60 watts, a ceiling fan will consume 0.06 kWh of electricity per hour. Compared with air conditioning, a ceiling fan is an affordable option.
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