Vortice Group stand with green glass walls and large fan bladesVortice Group stand with suspended logo banner and meeting areaVortice large ceiling fan blades on acrylic displayVortice Group stand edge with roof fans and NEW product totemCasals roof fan and four-fan retrofit panel on the Vortice Group standVortice Group stand with Casals roof fan and a four-fan plug fan arrayOpen heat recovery unit showing its exchanger on the Vortice standClose view of the open heat recovery unit's controls and exchangerCasals roof extract fan beside a frame of four plug fans