At Dalton, we provide various ventilation products ranging from individual fans for poultry and pigs to whole systems and dairy-specific units. We take pride in stocking products designed to help keep your farm running at a healthy pace, and we take each ventilation type into account when doing so.
The benefits of good ventilation are far-reaching, and while it's beneficial for human health, keeping your livestock healthy is just as important. We’ve compiled a list of fan types you should know about, so you can ensure you get the right one for your needs.
What Are Poultry Exhaust Fans?
Due to the enclosed nature of poultry houses, unwanted gases will likely build up if you don't replace the air quality correctly and frequently. This can change the air composition and cause significant harm to you, your poultry, and your livelihood. Exhaust fans keep the levels of carbon dioxide, ammonia, and other gases at a safe level.
Types of Poultry Exhaust Fans
Wall-Mounted Poultry Exhaust Fans
Wall-mounted options are typically mounted in the sidewalls of the building with a wind hood and louvre shutter to stop back draught.
Ceiling-Mounted Poultry Exhaust Fans
Ceiling fans mounted in GRP chimneys are an excellent option for propelling exhausted air high into the external air stream
Tunnel Ventilation Fans
Explicitly designed for poultry houses, when specified correctly this option is a great way of moving large amounts of air over the birds to cause a cooling effect. An ideal air speed of 2 metres per second is required, with the air not taking more than 60 seconds to transfer through the building. Any longer than this and the air begins to warm up again. An equal amount of air inlet area is required to allow free movement of air.
Direct Drive Poultry Exhaust Fans
Direct drive exhaust fans offer a fantastic option to adjust the fan's speed for different situations and seasons.
Belt-Drive Poultry Exhaust Fans
A generally cheaper alternative to direct drives, the belt-drive exhaust fan operates as an on / off fan.
FAQs
How do poultry exhaust fans improve air quality in chicken houses?
These fans improve air quality by replacing the air regularly, keeping the air clean and healthy for you and your poultry.
How do you ventilate a poultry house?
To ventilate correctly and efficiently, we recommend using fans and inlets which are proportioned to the size of the building and the number and weight of the birds.
What are the different types of ventilation in poultry?
Typical systems include ridge inlet, side wall extraction, Side inlet with ridge extraction, cross flow ventilation and tunnel ventilation or longintudanal..
What is minimum ventilation in poultry?
Minimum ventilation is when a timer or proportionate fan dictates air exchange - rather than via temperature. These keep the temperature, Co2 and humidity at acceptable levels.
What factors should be considered when selecting a poultry exhaust fan?
Consider natural airflow, humidity, and fan capacity versus the size of the building when selecting a poultry exhaust fan.
How many poultry exhaust fans do I need per square foot of my chicken house?
A general rule of thumb you need to move 4M³ of air per hour per Kg of birds
What is the difference between a vent fan and an exhaust fan?
A ventilator brings clean air into a building, whereas an exhaust works to remove pollutants.
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