> It would be interesting to calculate the energy required

The claim is that

"Properly built and tuned, this heater is said to have a COP of 20,
which means that twenty times as much heat is produced by the
device, compared to the amount of electrical power required to make
it operate. This power gain is caused by additional energy being
drawn from the immediate environment"

So, forget about big nucular plants. Build a small power station to
supply fission electricity and use the claimed 20 x that power for
steam turbines based on the Davey generator. In turn, the electricity
from those turbines can power the Davey generator. Then you can
throw the nucular plant away. Heck, you could start the process
with a diesel genny in that case

It is or was patented (although I find no reference to it at IPONZ) just
like N-machines. And look how they've taken over the power-generation
market ;-)

So waht's the problem ?

Apart from that perpetual motion scenario of course. Oh, and bully-
boy corporations

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