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Appliance Energy Cost Calculator

Find which appliance costs you the most to run.

Inputs

Inputs and assumptions

Typical values: refrigerator 150W, dishwasher 1800W, dryer 3000W, space heater 1500W, window AC 1200W, central AC 3500W, water heater 4000W, TV 100W, LED bulb 9W.

How many of this device you run.

Hours per day

Fridges run 7; laundry may run 2-3.

Compressors and thermostats cycle; a fridge averages ~40%.

Rate

Result

Cost per year
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Cost per day
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Energy per day
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Cost per month
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This calculator is a first-pass screening tool. Verify your utility tariff, metered usage, equipment specifications, and installer quotes before making a decision.

Workspace

Keep the assumptions with the result.

Save this calculation to return to the inputs, result, and report from your private workspace.

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