Greenhouse Heating Cost Calculator

Estimate the electricity cost of your heater using your own tariff and usage.

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Example only; enter your tariff in your chosen currency.

Your result

Estimated total cost

30.00 currency units

Daily electricity

4.00 kWh

Daily cost

1.00 currency units

Power, time and price

Convert watts to kilowatts, multiply by daily active hours and duty cycle, then by your price per kWh and number of days. Currency units mean the same currency as your input: pounds, euros or dollars. Standing charges are not included.

This does not size a heater or predict its thermostat duty cycle. Weather, insulation and ventilation change energy use. Use equipment rated for the environment and follow manufacturer guidance; consult a qualified electrician for installation.

Frequently asked questions

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