how many kwh does central heating use?
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A 'typical' home in a mild climate uses between 5,000 kWh and 30,000 kWh of energy a year for its heating. So how much does your home use? Whether you use natural gas, fuel oil, electricity or something else, you should be able to measure the energy used to heat your home.
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According to Choose, the cost is approximately 3.8 pence per kWh, which means it would cost around 91 pence to run a 24 kW boiler for one hour.
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You can therefore estimate that a hot tub with a 120-volt heater will consume 3,000 watts while in use, and one with a larger heater will consume 7,500 watts. These wattages translate into 3 kilowatt-hours (kWh) and 7.5 kWh, respectively.
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Power Consumption The rating for a particular heater is specified on a label — usually affixed near the power cord — and can be as high as 1500 watts. In California, where residential electricity costs about 17 cents per kilowatt hour, it costs about a quarter to run a 1500-watt heater for an hour.
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Normally fan heaters will use around 1 or 2 kWh of energy, which means that for an hour of running they will probably cost between 15p to 30p.
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So, that's 170,000 x 24 = 4,080,000 kilowatt hours (kwh) for the day. An average house uses 19 kilowatt hours per day. Bungendore had around 1,000 houses in 2011. It's grown a bit since then so let's be generous and say it's 1,500 now, so you'd expect they'd use a total of 28,500 kwh per day.
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Energy Usage A window AC unit can use anywhere from 500 to 1440 watts of electricity to run, while a typical central air unit in the average sized home uses about 3500 watts.
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How much do electric heaters cost to run? That all depends on how often —and at what temperature—you run your baseboard heaters. Running a single baseboard heater for 24 hours a day would use 333.49 kWh of electricity, according to BCHydro.
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As a general reference point, a 3 ton central air conditioner uses around 3500 watts per hour and a 12,000 BTU window unit uses about 1200 watts per hour.
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It's worth noting though that on average, a small business uses between 15,000 and 25,000 kWh of electricity per year, while a medium business uses between 30,000 kWh and 50,000 kWh.
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How Much Electricity Does a Hot Tub Use Per Month? The primary energy hog in a hot tub is the heater, which will draw around 1,500 watts or 6,000 watts, depending on whether it's a 120-volt heater or a 240-volt heater. There's also the water pump to consider, which usually draws about 1,500 watts.
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This is most commonly given in watts. If you can't find this information on the package, be sure to ask the retailer before making a purchase. This means for each hour the space heater is running it consumes 1.5 kWh of electricity, which costs about 16 cents.
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So a 3kW heater will use 3kW (3000 watts) per hour and cost roughly 43 pence to run* or £3.43* for 8 hours. The power rating (watts/kWs) will dictate the running costs; the higher the watts the more it costs to run. For a quick comparison see sust-it's Electric Heating Cost Calculator.
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Heat pumps will use around 5,000 watts or 5 kilowatts per hour per 100,000 BTU's. For a typical size 100,000 BTU heat pump, that's 5 kilowatts per hour. The average for electricity in our area runs $. 16 cents per kilowatt hour.
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Window Air Conditioner, 18,000 BTU 350 hrs. Central Air-Conditioners use on average 1-kilowatt hour (kWh) per ton per hour. A 4-ton air-conditioner will use approximately 4 kWh per hour.
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An electric heater consuming 1000 watts (1 kilowatt), and operating for one hour uses one kilowatt-hour of energy. A television consuming 100 watts operating for 10 hours continuously uses one kilowatt-hour. A 40-watt electric appliance operating continuously for 25 hours uses one kilowatt-hour.
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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.