Last edited: 18 February 2016      
This article is about a group or individual that may no longer be active in solar cooking promotion. It is retained here for archival purposes.

Heinz-Joachim Muller (just Joachim or Jo) is the inventor of the Solar Steamer and Sun2Cook. He has an extensive background in water sterilization, having worked for more than 20 years in a leading role on the development of microfiltration and ultrafiltration membranes.

His company Sun2Steam offers retrofit kits that convert traditional evacuated tube solar water heaters into solar food steamers.


  • February 2016: Heinz-Joachim Muller currently offers Sun2Cook for sale through his website
  • February 2012: Joachim is currently working on the Sun2Water, a solar multi-effect water distillation system for the preparation of clean drinking water.

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Heinz-Joachim (Jo) Muller
Sun2Steam PTY LTD
2 Allfield Road
Woy Woy NSW 2256

Tel: +61 2 4339 1056
Mobile: +61 2 0449 868 927


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