An inventor claims to have created a heat pump that draws heat from a lake at 3.0ºC and delivers heat at a rate of 20 kW to a building at 35ºC, while using only 1.9 kW of electrical power. How would you judge the claim?

An inventor claims to have created a heat pump that draws heat from a

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An inventor claims to have created a heat pump that draws heat from a lake at 3.0ºC and delivers heat at a rate of 20 kW to a building at 35ºC, while using only 1.9 kW of electrical power. How would you judge the claim?

An inventor claims to have created a heat pump that draws heat from a lake at 3.0ºC and delivers heat at a rate of 20 kW to a building at 35ºC, while using only 1.9 kW of electrical power. How would you judge the claim?

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