Designed to adhere to the IET Wiring Regulations BS 7671:2018
Calculate energy costs of electricity and gas per day / week / month or year.
Electricity: Enter both the number of Watts and the daily running period in hours.
Gas: Enter both the number of Units and your supplier’s calorific value.
Press the calculate button to display the running costs.
E-Calcs - Calculator’s 5 & 6
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