The message
from "Franz Heymann" contains these words:

Not a great deal. Fractions of a KW/Hr, I'd estimate.

Your unit is non-existent

In which case you'd need a lot of them........

--
Rusty Hinge
horrid·squeak&zetnet·co·uk
http://www.users.zetnet.co.uk/hi-fi/tqt.htm