Product Highlight Frost protection in any position by portable wind machine The worlds most efficient portable wind machine for frost protection of growing crops in any position, also on hills and in valleys. Protection of large areas up to 5,5 ha. This technique of frost protection is based on air turbulence. The rising heat of the soil is used and blown back into the orchard. This portable wind machine can protect crops growing also on hills and in valleys. The ability to angle the fan in these applications provides a lot of flexibility on difficult conditions in the orchards. It provides a large area protection (up to 5.5 ha) with a very short set-up time. No construction measures such as a concrete foundation are necessary. The mobile wind machine works efficiently and is very quiet. The transport is possible by tractor or car. The wind machine is very compact and manoeuvrable, a passage through the rows is easily possible.