Highest Electric Usage Appliances

Written by charles pearson
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Highest Electric Usage Appliances
While air conditioners notoriously consume excessive energy, dryers also use a lot of electricity. (Jupiterimages/BananaStock/Getty Images)

Some appliances use more electricity than any other appliances. These heavy energy consumers will raise the electricity bill much higher unless the homeowner takes steps to reduce the electricity consumption. One approach is to purchase appliances with an EnergyStar rating, which indicates that the appliance has the highest energy efficiency possible.

Air Conditioners

Air conditioners use the most electricity of all appliances, representing 10 per cent or more of the energy expenses in the home. Air conditioners can cost more especially in very hot climates where the air conditioner has to work harder to produce cold air. Turning off the air conditioner when it's not in use can greatly lower air conditioning costs. Reducing the air conditioner's exposure to sunlight will further reduce electricity costs. Air conditioners lose their energy efficiency when the filters get dirty, so make sure to check and clean the filters regularly. Closing the shades during the day will block sunlight, which can lower the temperature of the home. Sealing the doors and windows will prevent heat from entering through these portals, thus keeping the room cooler.

Clothes Dryers

Clothes dryers are the second largest consumer of energy. One way to reduce usage of the dryer is to use a clothesline to allow clothes to dry in the sun, if you have the outside space for a clothesline. Homeowners should always clean out the lint trap before using the dryer. A clogged lint trap can reduce the energy efficiency of the clothes dryer and increase the drying time by 30 per cent. Don't overfill the dryer so air can circulate through the machine. Otherwise, the dryer will take longer to dry your clothes.


Dishwashers use a lot of electricity, though the amount of electricity usage depends on the model. Most of the dishwasher's electricity usage comes from heating the water with the heating element. Dishwashers that heat water automatically do not have to rely on the hot water heater. Newer dishwashers use less water and strain the water through filters to trap particles, maximising the amount of cleaning with minimal water. Another way to reduce dishwasher electricity usage is to use dishwashers minimally. Instead, try washing more dishes the traditional way in the sink.

Furnaces and Heaters

The amount of electricity that furnaces and heaters use depends on the type of furnace and the specific model. High electricity-consuming furnaces can use up almost as much energy as the dishwasher. Properly insulating the home, only heating rooms that need heat and replacing the air filters regularly can reduce heating electrical costs.

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