The HELIOTHERME 4000 is designed to facilitate the heating process by the freshening and purifying of warm air in winter and cooling process by the circulation of fresh air in summer. The device based on APSAD and NFPA recommendations have air velocities around the edge. These sorts of air heaters are active for every premise irrespective of size of the premise. The heating and cooling process is easy with the external creation of warm or cool air. It is perfect to use in shopping centers, hypermarkets, DIY stores or garden centers, workshop, storage depot, logistics platform, leisure centers, gymnasium, municipal depots etc. In industrial processing, these air heaters can act as a dry cooler (oil, thermal fluid etc). For phase 1 and phase 2 speeds and variable speed with voltage reduction, fan assembly ROTOREX technology with impeller is accessible which provides efficient ventilation and acoustic comfort. It comes with double deflection diffuser JET + technology series.