News

March 2009:
More then 60.000 rpm are achieved in the test-rig.

February 2009:
The calculations have been fully verified over the tested performance range in our test plant.
At 39.000 rpm a pressure rate of nearly 1.5 has been achieved.
At 43.000 rpm a pressure rate of nearly 1.8 has been achieved.

December 2008:
Efficient Energy GmbH is member of Bundesverband Wärmepumpe (association of heat-pump manufacturers)

November 2008:
Investment agreement of 4 Mio. € with MIG AG (www.mig.ag) into Efficient Energy GmbH