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When a major player in the solar heating industry approached us for a new solar pool-heating controller, it was a typical turnkey case. They gave us a few specifications and a cost limit. As we tackled the design, new questions and new answers were forming, so most of the original specifications had to be redrawn, new ones added ... yet the cost limit had to stay the same. Despite some compromises in features (to keep the cost down) the design and the complete product turned out to everybody's satisfactions.

Unlike the quickly executed solar controller above, the development of EFIGAS, a new LPG injection system, had spread over three years. You can find more about EFIGAS here. In terms of man-hours, EFIGAS has so far been the largest project undertaken by us.

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