[TangoLimaSierra]

There is information that agrees with that, but in my opinion is suspect. maybe optimum conditions.

If they're getting 3Kwh energy for every 1Kwh energy they put in they have a free energy device.

I may be looking at this wrong and can learn, so 'splain it to me, please. (No sarc intended)

[PeterPrinciple]

If they’re getting 3Kwh energy for every 1Kwh energy they put in they have a free energy device.

I may be looking at this wrong and can learn, so ‘splain it to me, please. (No sarc intended)

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A heat pump, like a refrigerator does not create energy, it moves it.

But again, optimum in a lab is not true situation. They are selling one point of a system, not the whole system.

[norwaypinesavage]

An air-to air heat pump has an outside unit and an inside unit. When it is heating the house, the outside unit sucks in outside air and sends it back outside, cooler than when it came in. That outside heat is added to the inside unit to help it warm the house. There is no ‘free’ energy.