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Environment, Weather, and Green Living
Reply to "Heat pump water heaters"
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[quote=Anonymous][quote]You don’t even understand enough about thermodynamics to know what you don’t know. And you think I’m the stupid one! You went to an Ivy and have two MA’s, don’t you? [/quote] The confusing point for many people is the idea that an efficiency metric can exceed 100%. Intuitively, it seems like 100% should be the limit. In the case of a heat pump, that is not the case. The key point is that a heat pump isn't creating heat; rather, it is [i]moving[/i] heat from outdoors to indoors. If we can use one unit of energy to move two units of heat into our home, then we have achieved 200% efficiency. [/quote]
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