The next generation of Greenhouse Fans With the new Multifan Greenhouse fan, you can create a uniform greenhouse climate while minimizing energy consumption. The improved fan design offers a number of important advantages. For example, the energy efficiency of the fan has been greatly improved, and it is much quieter. It is also easier to attach air hoses to the fan, saving you installation costs and making the fan cheaper to use. Create the ideal growing climate for your crop with this compact, powerful fan, which was specifically developed for the horticultural sector.