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Answer: the coefficient of performance of a heat pump measures the energy produced compared to the energy consumed.
The coefficient of performance of a heat pump is calculated by making the ratio between the energy it produces and the energy necessary for its operation. A standard heat pump is assumed to have a coefficient of performance close to 3, that is to say that it produces on average three times more energy than it consumes. Heat pumps giving entitlement to the tax credit must have a coefficient greater than 3 (except in exceptional cases). Of course, the coefficient of performance of a heat pump can vary, the coefficient obtained in the laboratory under optimal conditions will not necessarily be the same as that obtained in your home. So the coefficient announced on the product remains above all an estimate, an order of magnitude. You too, send us your brico questionEquip a radiator: assembly and disassembly Our practical DIY videos