Appliance Costs
How Much Electricity Does a Refrigerator Use?
A refrigerator typically draws roughly 300–800 watts while its compressor is running, but it does not run continuously. Its daily energy use is often much…
Your home energy, explained
Appliance Costs
Estimate and compare the electricity appliances use and what they cost to run. Explore rated watts, measured consumption, standby power, and energy labels using clear examples and transparent assumptions.
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A little knowledge for your next decision
Appliance Costs
How to Use a Plug-In Energy Meter to Measure Appliance Costs
Plug the meter into a grounded 120 V outlet, plug the appliance into the meter, and let it log a representative period. Read the kilowatt-hours…
Appliance Costs
How Much Does a Space Heater Cost to Run?
A 1,500-watt space heater running at full power costs about 25.5 cents an hour at 17 cents per kWh—roughly $2.04 for an 8-hour day and…
Appliance Costs
Why an Appliance’s Rated Watts Do Not Equal Its Daily Energy Use
An appliance’s rated watts describe its power draw under specified conditions; daily energy use is that draw multiplied by actual operating time, converted to kilowatt-hours.…
Appliance Costs
How to Read an EnergyGuide Label Before Buying an Appliance
An EnergyGuide label helps you compare an appliance's estimated annual energy use and operating cost with similar models. Read the model type and capacity first,…
Appliance Costs
Appliance Running Costs Explained: How to Calculate and Compare
Appliance running costs come from three inputs: how much power an appliance draws while working, how long it actually works, and what you pay per…