Ceiling Fan Kwh Usage

Consider the costs of a larger less efficient fan. Fan 2 average ceiling fan at 70 watts. No one is likely ever to use their ceiling fan even remotely close to that many hours but we are taking these calculations to an extreme to show how cheap it can be to operate a fan.

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Here s how you figure the operating costs based on ceiling fan wattage.

Ceiling fan kwh usage. An air conditioner has a lot more work to do since it actually cools the air temperature in a room. Fans range in size from 36 inches to 56 inches using 55 to 100 watts a typical 48 inch ceiling fan will use 75 watts. Click calculate to find the energy consumption of a 48 inch ceiling fan using 75 watts for 3 hours a day 0 10 per kwh. Enter the number of usage hours power setting in wattage and click calculate to find the power consumption of a ceiling fan using 75 watts for 8 hours a day 0 10 per kwh.

To discuss the costs further in details a decent ceiling fan would require 30 watts of power to run whereas a decent air conditioner would require around 1 2 kilowatts of power to run. Compared to running the ac more. For detailed engineering use manufacturers specifications for actual fans. Even if the fan only allows you to make small adjustments to your thermostat the energy savings can still be.

While a ceiling fan uses between 10 and 120 watts air conditioners can use anywhere between 750 and 3 500 watts. That s a pretty big difference. Ceiling fans when properly used can reduce both heating and air conditioning costs. Multiply the watts by your utility provider s rate per kilowatt hour kwh.

Fans and features basic fan only ventilation units can use as little as about 6 watts for highly efficient models while many standard units often use around 60 watts or more. Even if you have a relatively inefficient 75 watt model and run it 24 7 year round it only comes out to 118 26 per year at 0 18 kwh. So for typical real world situations your ceiling fan is probably only costing you about a dollar per month. Therefore as the amount of electricity a ceiling fan uses is much less than that of an air conditioner a ceiling fan is definitely much cheaper to use.

P i ideal power consumption w dp total pressure increase in the fan pa n m 2 q air volume flow delivered by the fan m 3 s power consumption at different air volumes and pressure increases are indicated below. Fan 1 super efficient ceiling fan at 15 watts 15 58 per year. A ceiling fan uses approximately 75 watts on an average a ceiling fan is used approximately 8 hours a day. A ceiling fan rated 25 watts with a household rate of 0 15 per kwh would cost about 33 per year.