Frost is more than a mere inconvenience; it’s a drain on your resources and if not dealt with effectively, can result in the downfall of your farming business! In our changing climate, the mitigation of frost is becoming ever more relevant and necessary to ensure farming success.

Differing from traditional pedestal Frost Fans; The SIS (Selective Inverted Sink) fans are designed to sit in artificial or naturally occurring basins where frost accumulates. Boasting a coverage range of 3 hectares, the SIS fan; Alongside active and passive frost protection barriers will ensure frost protection on both undulating and flat topographies. Naturally, cold air gathers in stratified layers with the coldest, densest layers sitting closer to the ground. The SIS fan utilizes its horizontal blades to extract this stratified cold air from the ground, expelling it to a higher point in the atmosphere where it will heat up and disperse!

More than 2000 SIS machines are currently operating in USA, Canada, Australia, New Zealand and Argentina protecting thousands of hectares of diverse fruits and vineyards.

If you are interested in learning more about the SIS Frost Fan, follow the link to our distributors website ( or contact one of our friendly staff via email ( or phone +61 08 8326 0848 for more information.

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