How it works
Cost = cooling capacity ÷ efficiency × hours × days × load factor × tariff.
Input definitions
- Cooling capacity (kW)
- Enter the value in the labeled unit.
- Efficiency ratio COP-equivalent
- Enter the value in the labeled unit.
- Run hours
- Enter the value in the labeled unit.
- Days
- Enter the value in the labeled unit.
- Electricity price per kWh
- Enter the value in the labeled unit.
- Average load factor (%)
- Enter the value in the labeled unit.
A worked example
- Cooling capacity (kW)
- 3.5
- Efficiency ratio COP-equivalent
- 3.2
- Run hours
- 8
- Days
- 30
- Electricity price per kWh
- 0.25
- Average load factor (%)
- 70
Assumptions & limits
Uses only the values entered. Rates are illustrative inputs, not live quotes, legal rules or personalised advice. Check provider terms, local requirements and measurements before acting.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-19. Content checked against the stated method and examples. Our verification approach.
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Common questions
Why use a load factor?
Compressors cycle or modulate. Full nameplate input for every hour can overstate energy use.
How does Air conditioner running cost calculate the result?
Cost = cooling capacity ÷ efficiency × hours × days × load factor × tariff.
What should I verify before using Air conditioner running cost?
Uses only the values entered. Rates are illustrative inputs, not live quotes, legal rules or personalised advice. Check provider terms, local requirements and measurements before acting.