"Understanding Your Home" by Building Inspector Mark Visser

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. Electrical How to Calculate the Cost of Running Appliances ... The figures in the table below and the following equation will help you to determine the cost of running an appliance. The more you know the more you will save! Wattage x hours used : 1000 = kwh kwh x cost per kwh = your cost Example 1 A dishwasher used 20 hrs. per month 1300 x 20 : 1000 = 26 kwh 26 kwh x $0.07* = $1.82 per month Example 2 A furnace motor running 24/7 for 30 days 350 x 24 x 30 : 1000 = 252 kwh 252 kwh x $0.07* = $17.64 per month * Call your local utility or check your bill for the cost per kwh (kilowatt hour) Appliance Watts Blanket - Electric 180 Broiler 1400 Clock 5 Clothe dryer 5000 Coffee maker 900 Computer (monitor & printer) 200 Deep fryer 1500 Dehumidifier 350 Dishwasher 1300 Fan - portable 100 Food freezer (15 cu.ft.) 335 Food blender 390 Food mixer 100 Frying pan 1150 Furnace fan motor 350 Hair dryer 1000 Appliance Watts Humidifier - portable 100 Iron - hand 1000 Kettle 1500 Microwave oven 1000 Portible electric heater 1500 Range 12500 Refrigerator/Freezer - frost free 500 Room air conditioner -9000 BTU 1050 Television 80 Toaster 1150 Video cassette recorder 40 Cacuum cleaner - portable 800 Vacuum cleaner - central 1600 Washing machine 500 Water bed heater 400 Water heater 3800 .. ... . Back to Top