EnErgair CASE STUDY Krupp HoEscH SPRING IS IN THE AIRspring is in THE air UK automotive spring manufacturer saves 50% in compressed air energy costs using retrofit vsd drive and software from Energair. K rupp Hoesch Woodhead, the UK and Europe’s largest manufacturer of suspension coil springs for the automotive industry, has halved its compressed air energy costs by retrofitting their main compressor with a variable speed drive and

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