VBW Engineering yellow SPS Ecobox heat recovery unit with glass sides at Forum Wentylacja 2017

VBW Engineering yellow SPS Ecobox heat recovery unit with glass sides

Photo: Mariusz Młynarczyk / CloudAir.tech

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A yellow VBW Engineering heat recovery unit with transparent side panels reveals its cross-flow plate exchanger and fans, with an info card reading "SPS Ecobox" on top. Beside it stands a larger aluminium-framed ventilation unit with windowed doors, set against artificial grass and a forest photo backdrop.