About this app

Compare a heat pump against a gas boiler on running cost and find the payback period on installation. A heat pump wins when the electricity price divided by the gas price is below the coefficient of performance. Where electricity costs four times gas, a COP of three loses money however green it is.

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Win rates and risk grades are computed by Masterboard from tracked trade outcomes after the strategy is assessed — not self-reported by sellers. Past performance does not guarantee future results.