Vampire Load Calculator
Measure standby power drain and its yearly cost.
Result
Wasted cost per year
$74.46
Wasted energy per year
438.0 kWh
Formula
Calculation logicRelated calculators
Calculator
Appliance Energy Cost Calculator
Find which appliance costs you the most to run.
Open calculatorCalculator
Generator Size Calculator
Generator watts from running load plus the largest motor start.
Open calculatorCalculator
Heat Pump vs Gas Furnace Calculator
Compare annual heating cost for a heat pump against a gas furnace.
Open calculatorCalculator
Home Electrical Load Estimator
Estimate total home load and check it against service size.
Open calculatorRelated articles
Workspace
Keep the assumptions with the result.
Save this calculation to return to the inputs, result, and report from your private workspace.
Sign in or create an account to save this calculation.