Evolution Grain Cooling Fans - EVO II

The EVO II uses advanced brushless motor technology, eliminating the carbon brushes found in traditional grain fans. This design reduces friction and heat generation, resulting in higher efficiency and longer motor life. Brushless motors require virtually no maintenance and deliver consistent performance throughout the fan’s lifespan. Combined with our precision-engineered backward-curved aluminium impeller, this technology enables the Evolution fan to match the airflow of 1.1kW agricultural fans while using only 0.55kW of power.

Despite using half the power, the Evolution EVO II grain cooling fan delivers equivalent airflow to standard 1.1kW agricultural fans thanks to its optimised impeller design and brushless motor efficiency. The backward-curved aluminium impeller creates maximum air movement with minimal energy input. This means you get the same effective grain cooling performance as traditional fans while dramatically reducing your electricity costs. The fan maintains consistent pressure even in deeper grain stores, making it suitable for storage depths from 3m to 5.5m (Standard Polycool) or 5m to 9m (Polycool Maxi).

The EVO II Evolution grain fan is the only agricultural fan with integrated differential temperature control – a feature that typically costs £500-£800 as a separate unit. The system uses temperature sensors to continuously monitor both ambient air temperature and grain temperature. When the ambient temperature drops sufficiently below the grain temperature (based on your set differential), the fan automatically starts. When conditions are no longer optimal for cooling, it stops. This intelligent automation ensures your grain cooling system runs only when it will effectively condition your crop, maximising energy efficiency and grain quality without any manual intervention.

For most grain storage applications, we recommend setting the differential temperature control to 5-7°C. This ensures the Evolution fan runs only when ambient air is sufficiently cooler than your stored grain to achieve effective cooling. Different crops and storage goals may require adjustment – contact our technical support team for specific recommendations based on your crop type, moisture content, and storage duration. The built-in controller makes it easy to optimise settings for your specific needs.

The Evolution EVO II grain fan runs completely automatically once you’ve set your desired temperature differential. Unlike standard agricultural fans that require manual on/off operation or expensive separate controllers, the Evolution fan manages itself. Simply plug it in, set your temperature differential, and the integrated control system handles everything else. The fan will start and stop automatically based on ambient conditions, providing optimal grain cooling while you focus on other farm operations. This ‘set and forget’ operation is unique to the Evolution range and eliminates the need for constant monitoring of your grain storage system.

The Evolution grain fan’s built-in differential temperature control includes strategically positioned sensors to accurately monitor both ambient and grain temperatures. The ambient sensor reads the air temperature at the fan intake, while the grain temperature is monitored through sensors positioned within your storage system. This dual-sensor approach ensures the fan runs only when conditions are optimal for effective grain cooling, maximising both energy efficiency and crop quality.

Yes, the Evolution fan’s differential temperature control includes manual override functionality. While the automatic mode handles grain cooling perfectly in normal circumstances, you can manually start the fan if needed for specific situations. This flexibility gives you complete control over your grain storage system while maintaining the convenience of automatic operation for day-to-day management.

The Evolution EVO II grain cooling fan is compatible with our full range of grain storage pedestals including Polycool Standard (3.5m), Polycool Maxi (5.1m), Metalcool, and Storecool systems. This versatility means the Evolution fan can be used in virtually any grain store configuration. Whether you’re setting up a new storage facility or upgrading existing agricultural ventilation fans, the EVO II integrates seamlessly with our pedestal systems to deliver efficient, automated grain cooling.

The Evolution EVO II grain cooling fan is compatible with our full range of grain storage pedestals including Polycool Standard (3.5m), Polycool Maxi (5.1m), Metalcool, and Storecool systems. This versatility means the Evolution fan can be used in virtually any grain store configuration. Whether you’re setting up a new storage facility or upgrading existing agricultural ventilation fans, the EVO II integrates seamlessly with our pedestal systems to deliver efficient, automated grain cooling.

The Evolution grain fan requires minimal maintenance thanks to its brushless motor technology. Unlike traditional agricultural fans with carbon brushes that need periodic replacement, the brushless design of the EVO II is essentially maintenance-free. Regular maintenance is limited to basic cleaning of the impeller and housing to remove grain dust buildup – typically once or twice per season depending on usage. The robust construction and quality components ensure reliable operation season after season. This low-maintenance design reduces both downtime and ongoing costs, making the Evolution fan ideal for busy farming operations.

Every Evolution EVO II grain cooling fan is backed by our industry-leading 5-year manufacturing defect warranty. This comprehensive warranty reflects our confidence in the quality and durability of the Evolution range. All our fans are UK-manufactured in Dorset, England, ensuring the highest standards of construction and quality control. The 5-year warranty coverage, combined with the inherent reliability of brushless motor technology, provides peace of mind for your investment in grain storage equipment. Our technical support team is also available 24/7 should you need any assistance

The Evolution EVO II grain cooling fan is proudly UK-manufactured at our facility in Dorset, England. We’ve been designing and building agricultural equipment since 1968, bringing decades of expertise to every Evolution fan we produce. UK manufacturing ensures the highest quality standards, supports British agriculture and engineering, and provides rapid access to replacement parts and technical support. When you choose the Evolution grain fan, you’re investing in British-made quality and supporting UK manufacturing.

Getting a quote for Evolution grain cooling fans is straightforward. Contact our sales team at +44 (0)1935 850750 or submit an enquiry through our website. We’ll discuss your grain storage requirements, calculate how many Evolution fans you need based on your storage capacity and crop types, and provide a detailed quotation. Our team can also advise on compatible pedestal systems and help plan your complete grain cooling setup. We offer direct sales as well as working with our network of agricultural equipment dealers across the UK.

Evans & Pearce provides comprehensive 24/7 technical support for all Evolution grain fans. Our expert team is available around the clock at +44 (0)1935 850750 to assist with installation questions, operation guidance, troubleshooting, or any technical queries. As the manufacturer, we have complete knowledge of every aspect of the Evolution fan and can provide rapid solutions to any issues. This direct manufacturer support, combined with our UK-based operation, ensures you always have expert assistance when you need it – a significant advantage over imported agricultural equipment with limited or offshore support.