how much electricity does a standing fan use?
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A residential pedestal fan will cost anywhere between 1 to 2 cents per hour to run, or around $14.60 to $29.20 per year, given the assumptions in the table below.
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An electric blanket might consume 200 watts (depending on the setting). So if you leave it on for 10 hours, it consumes 2 kilowatt-hours. That would cost between 15 and 30 cents, depending on your location. Many appliances tell you their energy consumption.
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How much does standby power cost? Standby power could cost you well over $100 per year, depending on a myriad of factors, including the number of appliances left on standby, the appliance efficiency ratings and the rate you pay for electricity.
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Running costs: Electricity usage at around 500 - 3 500 watts an hour, annual service at around R500 a year. You should know: An air con removes moisture from the air, so it tends to be drying. The unit needs to be installed by a professional.
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A typical AC fan motor uses about 500 watts when it's running. Therefore, if you run the fan continuously for a 30-day month (720 hours), you would use 360,000 watt hours (720 x 500) or 360 kilowatt hours (kWh).
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2 Answers. Case fans usually use 1.8 Watts and are rated at 12 Volts. The molex connector that is usually used on the case fans is 12 Volts by standard (same as your Hard Drive and Optical Drives usually use).
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How Much Electricity Does An Air Conditioner Use Per Hour? 5000 BTUh / 10 SEER = 500 Watts per hour that our A/C unit will use.
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Energy Use According to the Saving Electricity website, a medium-sized window air conditioner consumes approximately 900 watts of electricity hourly. A floor fan, on the other hand, generally only uses 100 watts per hour. Given these figures, it takes nine fans to equal the energy used by a single room air conditioner.
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Variable Speed Furnace Fans A standard fan motor will typically use about 400 watts per hour while a variable-speed model will only use 75 watts per hour. This is the most direct way that the variable-speed units save electricity, but there are other means by which they affect energy usage as well.
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Switch off that fan While a tubelight consumes around 55 watts per hour, an average fan consumes 75 watts. Old models and inexpensive fans can guzzle up to 90 watts. Replacing your old fan with a power-saver model makes sense as a BEE rated fan consumes around 50 watts.
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Central AC is simply an energy hog. A window unit AC uses 500 to 1440 watts, while a 2.5-ton central system uses about 3500 watts. That's a lot of power. A floor fan uses only 100 watts on the highest speed, and ceiling fans use only 15 to 90 watts depending on speed and size.
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How much electricity do computers use? A typical desktop computer uses about 65 to 250 watts.
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Since we are calculating in kilowatts, you need to divide 10800 by 1000 as follows: 10800 ÷ 1000 = 10.8 kilowatt hours. As 1 kilowatt hour = 1 unit, the total energy consumption by your ceiling fan for a month would also be 10.8 units.
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According to the Saving Electricity website, a medium-sized window air conditioner consumes approximately 900 watts of electricity hourly. A floor fan, on the other hand, generally only uses 100 watts per hour. Given these figures, it takes nine fans to equal the energy used by a single room air conditioner.
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Running a fan takes a lot less electricity than running an air conditioner; ceiling fans average at about 15-90 watts of energy used, and tower fans use about 100 watts.
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An air conditioner uses roughly about 5-9 times as much electricity as a fan. While the amount may vary from model to model, this rule holds true for all of them. Even on the low setting, an air conditioner uses as a very large amount of electricity when cooling. Fans are much more cost-effective in terms of energy use.
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For most small- and medium-sized rooms, a 2kW device will suffice. According to the Centre for Sustainable Energy, a 2kW convector or fan heater will cost 28 pence per hour to run; a typical 1.5kW oil-filled radiator will set you back 21 pence per hour; while a 1.2kW halogen heater costs around 17 pence per hour.