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Green Plumbing

Category - Caring for Our Planet

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How can a consumer calculate equivalent cost-to-operate values for an ENERGY STAR gas appliance vs. a comparable ENERGY STAR electric appliance?

No need to calculate values; it’s clearly stated on labels for both types of appliances
Multiply the therms/year (gas) and kW/year (electric) by the costs per therm and kW specified by the local gas and electric utilities
Consult the chart of values displayed at all retailers selling ENERGY STAR products
None of the above

Explanation

Answer: B - Calculating comparable cost-to-operate values for two similar appliances, where one is gas and one is electric, requires knowledge and use of the gas and electricity costs per unit in the customer’s geographic area. Given these costs vary widely across the country, using dollar figures that are reflective of the area in which the appliance will be used will provide the most accurate side-by-side comparison.

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