Significant Energy Savings and Improved Livestock Health – Farm Application Analysis
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Vitalijus Šimkus
- June 17, 2026
Problem
In the agricultural industry, ventilation in buildings where livestock and poultry are housed can have a significant impact on their health and productivity, whether good or bad. Poor ventilation can increase the risk of animals contracting bacteria and viruses, which can have a major impact on their welfare and financially affect the farming business.
Solution
By controlling fan speed according to the required ventilation level at different times of the day, parameters such as temperature, humidity, and moisture can be controlled, resulting in energy savings. In some cases, it is possible to save up to 30 or even 50% of energy.
Invertek Drives Ltd
The health and productivity of livestock and poultry in the agricultural industry can be significantly influenced by the quality of ventilation, whether good or bad, in the buildings where they are housed. Poor ventilation can increase the risk of animals contracting bacteria and viruses, which can have a major impact on their welfare and financially affect the farming business. Furthermore, inefficient ventilation systems can consume large amounts of energy and incur significant costs.
Invertek Drives, a pioneer and manufacturer of variable frequency drives used to control electric motors and fans, is leading the way in applying variable frequency drive technology to improve ventilation in livestock and crop storage facilities. The Optidrive E3, P2, and Eco variable frequency drive range is manufactured in IP66 / NEMA 4X rated enclosures, enabling them to operate in the harshest conditions, such as barns and agricultural buildings, where there may be high levels of dust, water, and moisture.
“Fans used in ventilation systems are typically controlled by AC electric motors. In many cases, they operate without any motion control. This means they constantly run at full speed and consume large amounts of energy,” said Invertek Drives Technical Manager Kes Beech (Kes Beech).
Fan Speed Control Can Save Up to 50% Energy
“By controlling fan speed according to the required ventilation level at different times of the day, parameters such as temperature, humidity, and moisture can be controlled, resulting in significant energy savings. As a result, in some cases, it is possible to save up to 30 or even 50% of energy.” The manager continued sharing insights.
According to research conducted in the United States, 100% fresh air eliminates pests 10 times faster than only 50% fresh air. This significant difference highlights the importance of optimal ventilation in agricultural environments, where air quality control can drastically reduce the presence of harmful bacteria and viruses, thereby improving livestock health and productivity, as well as reducing energy consumption through more efficient use of ventilation systems.
Good Ventilation Increases Productivity
By improving ventilation in cattle barns, productivity can increase by 3-5%. Variable frequency drives such as Invertek’s Optidrive E3 IP66 / NEMA 4X are used in agricultural ventilation equipment worldwide. The fully enclosed IP66 / NEMA 4X rated enclosure is ideally suited to the often harsh conditions associated with such environments. They can also be mounted near the fan. This means there is no need for a dedicated control room or cabinet, saving both cost and space.
The drives can control any AC motor-driven fan, such as wall-mounted, ceiling-mounted, roof-mounted, turbulator, or panel fans. Fans can be used in various buildings housing livestock, poultry, crops, or grain.
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