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HVAC Running Cost Calculator

Estimate heating and cooling cost for any period.

Inputs

Inputs and assumptions

Typical values: central AC 3500W, window AC 1200W, heat pump 2500W, furnace fan 800W, electric furnace 10000W, space heater 1500W.

Run hours per day

Days

Compressor cycles; oversized units run fewer full-load hours.

DOE: 7-10% per 8h of 7-10F setback.

Rate

Result

Cost per full-load hour
$0.60
Cost for period
$99.96
Energy for period
588.0 kWh
This calculator is a first-pass screening tool. Verify your utility tariff, metered usage, equipment specifications, and installer quotes before making a decision.

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Workspace

Keep the assumptions with the result.

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