At Sigrist Design, our high-efficiency roof mounted fans are built for durability, weather resistance, and energy efficiency. Designed for harsh industrial conditions, they are available in various sizes and airflow capacities to suit different ventilation needs. Whether for exhausting heat, controlling humidity, or enhancing overall airflow, our custom-engineered roof fans ensure optimal ventilation performance while meeting Australian building regulations and workplace safety standards. Need help? Can't find what you need just contact us for support... or call 07 3271 4415