Best in the world.. Humm, It looks VERY expensive! Way too expensive for about
90% of the US population.
But, if I know my DIYers, they will find a way to build or modify existing GSHPs
to use 'Inverter Technology'..
Which really isn't so technologically advanced. It wasn't pulled out of Hanger 19 at Roswell.
It's the same kind of transformer-less power supply that Japan has been building into their IT products for over 30 years,
coupled with transistorized speed controlled DC motor(s)..
And of course a little uCPU to make it work right.
http://www.ajmadison.com/ajmadison/i...ice_Manual.pdf
See page 133. It's an older model, but the PS is still about the same.