Why Unplug Unused Appliances?

Rachel McAdams, the Hollywood starlet best know for her role in the movie The Notebook, is also known for being OCD when it comes to unplugging unused appliances at home when she travels. Why? Because even when your plugged in appliances are sitting unused on your counter top, they are still sucking energy and costing you money! Let’s take a look at how much this is costing you per year on average, based on the following formula.

If you want a general estimate of how much electricity your home appliances consume, use the following formula to estimate the amount of energy a specific appliance consumes:

Wattage ´ Hours Used Per Day
1000 = Daily Kilowatt-hour (kWh) consumption
(1 kilowatt (kW) = 1,000 Watts)

Personal Computer and Monitor:

(120+150) Watts ´ 4 hours/day ´ 365 days/year
1000
= 394 kWh ´ 8.5 Cents/kWh
= $33.51/year

You can usually find the wattage of most appliances stamped on the bottom or back of the appliance, or on its “nameplate.” The wattage listed is the maximum power drawn by the appliance. Since many appliances have a range of settings (for example, the volume on a radio), the actual amount of power consumed depends on the setting used at any one time. Below are some examples of the range of nameplate wattages for various household appliances:

Aquarium = 50-1210 Watts
Clock radio = 10
Coffee maker = 900-1200
Clothes washer = 350-500
Clothes dryer = 1800-5000
Dishwasher = 1200-2400 (using the drying feature greatly increases energy consumption)
Dehumidifier = 785
Electric blanket- Single/Double = 60 / 100
Fans
Ceiling = 65-175
Window = 55-250
Furnace = 750
Whole house = 240-750
Hair dryer = 1200-1875
Heater (portable) = 750-1500
Clothes Iron = 1000-1800
Microwave oven = 750-1100
Personal Computer
CPU – awake / asleep = 120 / 30 or less
Monitor – awake / asleep = 150 / 30 or less
Laptop = 50
Radio (stereo) = 400
Refrigerator (frostfree, 16 cubic feet) #9; = 725
Televisions (color)
19″ = 110
27″ = 113
36″ = 133
53″-61″ Projection = 170
Flat Screen = 120
Toaster = 800-1400
Toaster Oven = 1225
VCR/DVD = 17-21 /20-25
Vacuum cleaner = 1000-1440
Water heater (40 gallon) = 4500-5500

If you travel this holiday season, why not unplug those appliances before you leave? It will end up saving you money.

Formula and wattage references from www.naturalhandyman.com

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5 Responses to Why Unplug Unused Appliances?

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