How Much Does it Cost to Operate My Appliances?

How Much Does it Cost to Operate My Appliances?

The answer depends on many factors, including: the number and kinds of appliances you use; the way you use them; how long you use them; the number of people in your household; and, the price you pay for electricity.

There are also seasonal factors. For example, in the summer, you may cook less, use your lighting for shorter periods of time and use air conditioners or fans. In the winter, your heating and cooking costs are probably higher, and your lighting will be used for more hours during the day.

The addition of new appliances or new family members can also increase your electricity use.

The appliances that cost the most to operate are the ones that require the greatest amount of electricity to generate heat, such as your furnace, water heater or range, or to cool, such as your air conditioning system. The cost of operating an electrical appliance is calculated using these three factors:

  1. The number of watts the appliance uses.
  2. The number of hours the appliance is used.
  3. The cost you pay for one kilowatt-hour (kWh) of electricity. (A kilowatt-hour is 1,000 watts of electricity used for one hour.)

To calculate the cost of operating an appliance, multiply the wattage of the appliance by the approximate number of hours you operate the appliance (the wattage of an appliance is usually listed on the appliance). Next, divide by 1,000 this will give you the number of kWhs the appliance uses. Finally, multiply the kWh use by your cost per kWh as shown on your electric bill.

Example: Average Cost of Running a TV

Example: A television set is rated at 300 watts and operated for seven hours a day.

  1. Multiply 300 watts by seven hours (300 x 7 = 2,100 watt-hours)
  2. Divide by 1,000 (2,100 ÷ 1,000 = 2.1 kWh)
  3. Multiply the kilowatt-hours by the price of electricity. Let’s use 7 cents per kWh: (2.1 kWh x 7 cents = 14.7 cents)
The TV set costs approximately 15 cents a day to operate.
Average Use Typical Wattage Estimated
Usage
(kWhs/mo)
Average
Use
($/mo.)
Above
Avg. Use
($/mo.)
Air Conditioner (5,000 BTUH room unit) 900 130-150 $9.10 $10.50
Air Conditioner (12,000 BTUH room unit) 1,500 250-300 $17.50 $21.00
Aquarium (air pump & heater) 150 80-100 $5.60 $7.00
Attic Fan 300-400 30-40 $2.10 $2.80
Blanket (electric) 170 12-24 $0.84 $1.68
Blow Dryer/Curling Iron 400-1,250 2-4 $0.14 $0.28
Ceiling Fan 80-100 10-15 $0.70 $1.05
Clocks (3) 4 3-4 $0.21 $0.28
Clothes Dryer (24-32 loads) 4,300-5,600 80-100 $5.60 $7.00
Clothes Washer (24-32 loads) 500-600 6-8 $0.42 $0.56
Coffee Maker 700-900 8-9 $0.56 $0.63
Computer (desktop) 700-800 40-55 $2.80 $3.85
Dehumidifier (continuous) 300-410 200-300 $14.00 $21.00
Dishwasher 1,200 30-35 $2.10 $2.45
Dusk/Dawn Light (175 watt) 175 36-63 $2.52 $4.41
Freezer 350-450 42-70 $2.94 $4.90
Furnace Fan/Boiler Pump 300-600 65-85 $4.55 $5.95
Humidifier 80 20-25 $1.40 $1.75
Lighting 1,600-4,000 75-150 $5.25 $10.50
Microwave 650-1,100 13-16 $0.91 $1.12
Oxygen Concentrator 250 180-200 $12.60 $14.00
Pool Pump 750-1,000 540-720 $37.80 $50.40
Portable Room Heater (1 hr/day) 900-1,500 45-55 $3.15 $3.85
Radio, Stereo, VCR 40-60 4-6 $0.28 $0.42
Range 12,000 75-100 $5.25 $7.00
Refrigerator (< 10 yrs. old) 475-550 45-55 $3.15 $3.85
Refrigerator (> 10 yrs. old) 475-550 65-75 $4.55 $5.25
Hot Tub (indoors) 750-3,000 150-200 $10.50 $14.00
Hot Tub (outdoors) 750-3,000 250-500 $17.50 $35.00
Television 300 30-40 $2.10 $2.80
Toaster/Toaster Oven 950-1,500 3-4 $0.21 $0.28
Vacuum Cleaner 700-1,400 3-4 $0.21 $0.28
Vaporizer 480 6-10 $0.42 $0.70
Water Bed Heater 300 70-80 $4.90 $5.60
Well Pump 950-1,400 40-60 $2.80 $4.20
Water Heater (30 gal. /1 person) 3,500 350-400 $24.50 $28.00
Water Heater (40-50 gal. /1 person) 4,500 375-425 $26.25 $29.75
Water Heater (each add. person) NA 75-125 $5.25 $8.75

Calculations are based on a rate of 7 cents per kilowatt-hour. Your actual rate may be different depending on where you live and the company that supplies your electricity.

These figures are averages and may not exactly reflect your household’s habits or the energy efficiency and size of your home; however, they will help you estimate how much electricity various appliances use and where your energy dollars go each month. The new Energia Magnetic Induction line of cook tops are the most affordable energy efficient ever introduced, check them out @ www.frescohealth.com

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