SIT stand with blue and green walls and the Combustion Next Level columnVisitor photographing the FLEXA H2 hydrogen combustion control displayVisitors in discussion at the SIT FLEXA PRO combustion control wallSIT mechanical ventilation wall with an open heat recovery unitSIT stand with FLEXA PRO wall and LED screen about sport and inclusionCutaway heat recovery unit and centrifugal fans on the SIT ventilation wallSIT whisperTECH450 axial fan wall with an R290 heat pump outdoor unitR290 heat pump unit in front of the whisperTECH450 axial fan displayWhite Hybitat hydrogen system cabinets on the SIT stand
