Greenhouse Fans

Fan Ventilation

Greenhouse Fan systems provide positive air movement through a greenhouse, which helps to control air temperature/flow and humidity levels. As the fans exhaust the heated air, a slight vacuum is created which draws in cooler outside air through louvers, open doors and cracks. The installed fan capacity should equal at least one greenhouse volume per minute. Select fans with a high Ventilating Efficiency Ratio (VER)

Fan Location

Fan systems work best if the draw is less than 150 feet. Locate the fan so that the air flows over and through the plant canopy rather than under the benches or in the ridge of the greenhouse. The bottom of the fan or louver should be located about 3 feet above the floor for optimal air distribution. Newer greenhouse fans can provide vertical airflow and circulation, reducing energy costs over horizontal flow.

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  1. $638.67

    Designed to ventilate stores, greenhouses, offices, factories, shops, farm buildings, etc. Efficient, easy-to install exhaust fan with automatic shutters. 8058 CFM fan mounted directly with auto shutters. UL Compliant Learn More
  2. The Multifan V-Flo Fan 120v for optimal, vertical circulation in greenhouses.
    Vostermans Ventilation developed the V-Flo Fan, which is a prerequisite for:
    • Optimal air distribution in the greenhouse with the purpose to create an optimal air flow
    • To control the humidity level of the greenhouse
    • Creating an active microclimate on plant level
    • Constant low airspeed at plant level
    • Reduction of the energy costs through vertical airflow
    Learn More
  3. The Multifan V-Flo Fan 240v for optimal, vertical circulation in greenhouses.
    Vostermans Ventilation developed the V-Flo Fan, which is a prerequisite for:
    • Optimal air distribution in the greenhouse with the purpose to create an optimal air flow
    • To control the humidity level of the greenhouse
    • Creating an active microclimate on plant level
    • Constant low airspeed at plant level
    • Reduction of the energy costs through vertical airflow
    Learn More
  4. The Multifan V-Flo Fan 265-460v for optimal, vertical circulation in greenhouses.
    Vostermans Ventilation developed the V-Flo Fan, which is a prerequisite for:
    • Optimal air distribution in the greenhouse with the purpose to create an optimal air flow
    • To control the humidity level of the greenhouse
    • Creating an active microclimate on plant level
    • Constant low airspeed at plant level
    • Reduction of the energy costs through vertical airflow
    Learn More
  5. $43.12

    The V-Flo hanging set (ZA182) is the more popular option and is used most of the time for mounting on truss or another mounting point. Learn More
  6. $38.69

    The V-Flo tube bracket is a special bracket made for hoop houses. Learn More
  7. Reduce heat stress and improve air quality with Schaefer's uniquely designed circulation fans. These fans are engineered to produce greater air movement and superior cooling no matter the application. Also known as Horizontal Air Flow (HAF) fans, these fans move air in a coherent horizontal pattern creating a gentle "racetrack" airflow pattern needed in greenhouses to maximize heat distribution and humidity control by mixing the air, from ceiling to floor. Deep guard design for unmatched performance, low noise levels and safety without sacrificing airflow. Matching high-quality motors and blades for maximum efficiency. Powder-coated steel guards and bracket for increased durability and corrosion resistance. Comes with 5 ft 120 V power cord not wired. 20" Fan. Learn More
  8. Reduce heat stress and improve air quality with Schaefer's uniquely designed circulation fans. These fans are engineered to produce greater air movement and superior cooling no matter the application. Also known as Horizontal Air Flow (HAF) fans, these fans move air in a coherent horizontal pattern creating a gentle "racetrack" airflow pattern needed in greenhouses to maximize heat distribution and humidity control by mixing the air, from ceiling to floor. Deep guard design for unmatched performance, low noise levels and safety without sacrificing airflow. Matching high-quality motors and blades for maximum efficiency. Powder-coated steel guards and bracket for increased durability and corrosion resistance. Comes with 5 ft 120 V power cord not wired. 12" Fan. Learn More
  9. Reduce heat stress and improve air quality with Schaefer's uniquely designed circulation fans. These fans are engineered to produce greater air movement and superior cooling no matter the application. Also known as Horizontal Air Flow (HAF) fans, these fans move air in a coherent horizontal pattern creating a gentle "racetrack" airflow pattern needed in greenhouses to maximize heat distribution and humidity control by mixing the air, from ceiling to floor. Deep guard design for unmatched performance, low noise levels and safety without sacrificing airflow. Matching high-quality motors and blades for maximum efficiency. Powder-coated steel guards and bracket for increased durability and corrosion resistance. Comes with 5 ft 120 V power cord wired. 8" Fan. Learn More
  10. Reduce heat stress and improve air quality with Schaefer's uniquely designed circulation fans. These fans are engineered to produce greater air movement and superior cooling no matter the application. Also known as Horizontal Air Flow (HAF) fans, these fans move air in a coherent horizontal pattern creating a gentle "racetrack" airflow pattern needed in greenhouses to maximize heat distribution and humidity control by mixing the air, from ceiling to floor. Deep guard design for unmatched performance, low noise levels and safety without sacrificing airflow. Matching high-quality motors and blades for maximum efficiency. Powder-coated steel guards and bracket for increased durability and corrosion resistance. Comes with 5 ft 120 V power cord not wired. 24" Fan. Learn More
  11. $630.70

    Vostermans Varifan Variable Speed Drive with Manual Override. The 20 Amp model responds to a 0-10 V or 4-20 mA input signal. Learn More

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