Ventilation Systems & Products


Air Movement Systems

Altra-Air Sailfin HVLS Ceiling Fan

HVLS Ceiling Fans

Altra-Air Sailfin HVLS fans blanket a very large area with constantly moving air to create an expansive comfort zone. As a result, this large ceiling fan can create an evaporative cooling effect of 3 to 4°C throughout the facility.

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Fresh Air Makeup System

Fresh Air Makeup Systems

Providing fresh air makeup is crucial for a healthy environment for young stock. This is often an ambiguous task in calf barns as drafts can be equally problematic for the health of the calves.

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Dual Ventilation System

Dual Ventilation Systems

Extreme climate conditions may require power assist to optimize animal comfort. Sun-North incorporates power ceiling inlets and sidewall fans that engage before the natural ventilation systems.

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Cross Flow Ventilation Barn

Cross Flow Ventilation

In regions of the world with extreme heat and low electrical costs, dairy facilities are becoming wider. These facilities use panel/curtain openings on one side and blocks of fans along the opposing side. 

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Tunnel Vented Barn

Tunnel Ventilation

Tunnel ventilation is a variation of cross flow ventilation often making use of the end wall of a poultry or dairy facility to maximize ventilation requirements.

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Sidewall Exhaust Fans

Exhaust Fans

Sun-North designs and distributes high performance and energy efficient wall mounted exhaust fans as small as 12” to as large as 72” diameter.

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