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Ventilation vs. Draft

post #1 of 9
Thread Starter 
We'll be putting up our coop/run in the next few weeks and I'm really in need of some visuals. I know ventilation is very important, however, I don't understand drafty versus well-ventilated. I'm a visual person and can't seem to find any images of what to do and to avoid,if that makes sense. I'm in North Central Texas (so, it gets really hot and into the teens as well). I want my ladies to have the best, manual, ventilation we can design.
post #2 of 9

I can't get a pic. but ventilation should be above or below them and should keep them dry a draft will make them cold and won't always keep the coop dry.

post #3 of 9
Thread Starter 
It'll be a small coop, I guess it'd be best to post pictures once we've got the coop built. I just prefer to do it right the first time.
post #4 of 9

When it comes to ventilation, think roofline and gable vents; not windows and doors. You want your ventilation up high, as high as you can get it. And you need to keep your roosts well below the 'ventilation zone.'

post #5 of 9
Draft for me means airflow is a function of airflow outside which means it varies a lot. It also involves a lot more turbulence and is often like a perceptible wind. The incoming air is also perceptible as coming from a point source.
Edited by centrarchid - 2/13/16 at 2:36pm

Make every effort to understand your chicken's biology and the environment that supports it.

 

 

Reminder to self: August 2021 Check Post #15852 in Show Off Your American Gamefowl

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Make every effort to understand your chicken's biology and the environment that supports it.

 

 

Reminder to self: August 2021 Check Post #15852 in Show Off Your American Gamefowl

Reply
post #6 of 9
I used to have better examples of this but they’ve improved and upgraded their website so my link doesn’t work anymore and I can’t find those drawings. This might give you a visual.

https://www.extension.purdue.edu/extmedia/ae/AE-97.html

In winter with openings up high and a wind blowing the cross breeze up high causes some turbulence in the air below but its gentle enough to not bother the chickens as long as the roost isn’t up in the breeze zone. This works really well to get the moisture and ammonia out.

In winter with openings up high there is still air flow when the wind is not blowing. Warm air rises and carries more moisture. The temperature in the building is generally a little warmer than the air outside. This heat comes from their body warmth, warm poop, water warmer than the air, and if the building is on the ground, from the ground, especially during a cold snap. It’s not a lot but it’s enough to get air movement.

In addition, ammonia is lighter than air. With openings up high gravity provides the energy to force heavier air in and ammonia up and out. If you have much of an opening up high, ammonia should never be a problem unless your coop is just wet. That’s unhealthy anyway for other reasons.

In the summer the more open ventilation you have the better.

When you come to a fork in the road, take it.

 

"If you make every game a life-and-death proposition, you're going to have problems. For one thing, you'll be dead a lot." — former North Carolina coach Dean Smith

 

http://www.backyardchickens.com/a/how-much-room-do-chickens-need

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When you come to a fork in the road, take it.

 

"If you make every game a life-and-death proposition, you're going to have problems. For one thing, you'll be dead a lot." — former North Carolina coach Dean Smith

 

http://www.backyardchickens.com/a/how-much-room-do-chickens-need

Reply
post #7 of 9
Quote:
Originally Posted by junebuggena View Post
 

When it comes to ventilation, think roofline and gable vents; not windows and doors. You want your ventilation up high, as high as you can get it. And you need to keep your roosts well below the 'ventilation zone.'


X2 what I was trying to say but worded far better.

post #8 of 9

In the winter time, we wrap the 3 main sides of the coops where the cold wind will most likely blow from. Here in Georgia, that is the North, West, and East. We don't have much wind blowing from the South. We leave the South wall unwrapped for the ventilation. That is also what wall the door is located on and the roost faces.

post #9 of 9
Quote:
Originally Posted by BootsFeathers View Post
 

In the winter time, we wrap the 3 main sides of the coops where the cold wind will most likely blow from. Here in Georgia, that is the North, West, and East. We don't have much wind blowing from the South. We leave the South wall unwrapped for the ventilation. That is also what wall the door is located on and the roost faces.

@txkittykat , gear your coop for warm weather, and look at coops that were built for similar climates.

 

Protect your chickens from hot weather, cold weather is their friend:

Definitely  have vents in the eaves, and higher up. But in Texas, I'd also make sure that at least 3 sides have large windows that open and are secured with 1/2" hardware mesh; you'll probably leave them open 24/7 mostly in the summer. A warm wind is different than a cold, wet wind.

Many of us even use fans in the hot weather.

Pick a roof that is more reflective.

Build it so that the coop is shaded in the summer.

 

My 'windows' have a cover that opens from the bottom (hinged at the top), and hooks to stay open. That way if there is a summer rain, you can lower it partway and keep the coop dry.


Edited by lynnehd - 2/14/16 at 11:24am
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