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AC Cooling Cost Calculator

Summer cooling cost from SEER, hours, and rate.

Inputs

Inputs and assumptions

3 tons = 36000.

From the nameplate.

SEER is seasonal: enter full-load-equivalent hours (often 400-1400 in the US), not thermostat-on hours.

All-in cents per kWh.

Result

Cooling cost ($/year)
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Cooling energy (kWh/year)
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What to check

  • System SEER
  • Cooling hours
  • Electricity rate

Related calculators

Screening estimate only. Verify duct measurements, nameplate ratings, and installer quotes before making a decision.

Saved calculations

Keep the assumptions with the result.

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