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Gas Fire Running Cost Formula:
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The Gas Fire Running Cost Calculator estimates the operational cost of running a gas fire appliance based on its power rating, usage time, and current gas prices. This helps homeowners budget for heating expenses and compare efficiency between different appliances.
The calculator uses the formula:
Where:
Explanation: The calculation multiplies the appliance's power consumption by the duration of use and the current energy rate to determine total cost.
Details: Understanding running costs helps in energy budgeting, comparing appliance efficiency, making informed purchasing decisions, and identifying potential energy savings through usage optimization.
Tips: Enter the kW rating of your gas fire, estimated hours of use, and current gas price per kWh. The default gas price is set to 10.6p/kWh (Ofgem 2025 estimate) but can be adjusted for accurate calculations.
Q1: How accurate is this calculator?
A: The calculator provides estimates based on the inputs provided. Actual costs may vary based on appliance efficiency, gas pressure, and actual usage patterns.
Q2: What is the average kW rating for gas fires?
A: Typical gas fires range from 2-5 kW, but this can vary significantly by model and type. Check your appliance's specifications for accurate rating.
Q3: How often should I update the gas price?
A: Gas prices fluctuate regularly. For accurate calculations, use current rates from your energy provider or recent Ofgem estimates.
Q4: Does this include standing charges?
A: No, this calculation only includes the consumption cost. Standing charges from your energy provider are additional fixed costs.
Q5: Can I use this for other gas appliances?
A: Yes, the same formula applies to any gas appliance. Just input the correct kW rating for the specific appliance.