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Domestic use of heat pumps, how they work, and possible difficulties

David Stone

Here I am responding to Gideon who wants to understand heat pumps. We are only discussing the science and engineering of them, and whether domestic use is a good and economic idea.

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    Sounds unpromising. I wonder though if in bungys like mine, a workable strategy is to bit the bullet of lifting the floors to install air ducts. In any case, suspended floors appear the hardest, or most disruptive surface to insulate. I always admired the north American build with an accessible basement… 

    On a detail - clearly a lot of energy is dissapated in the heat pump's motor. It's the compressor, isn't it, so for a system designed primarily for heating, one must assume it is discharged inside the building? Is it well used? 

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  • 0

    Sounds unpromising. I wonder though if in bungys like mine, a workable strategy is to bit the bullet of lifting the floors to install air ducts. In any case, suspended floors appear the hardest, or most disruptive surface to insulate. I always admired the north American build with an accessible basement… 

    On a detail - clearly a lot of energy is dissapated in the heat pump's motor. It's the compressor, isn't it, so for a system designed primarily for heating, one must assume it is discharged inside the building? Is it well used? 

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