I got this one in a package deal that came with 2 extra sensors so I can have readings in different parts of the yard: https://www.amazon.com/SMARTRO-Professional-Thermometer-Temperature-Calibration/dp/B07YXZ5N7M?ref_=ast_sto_dp
Can you get temperature and humidity readings inside and outside?
That's the proof and everything else is speculation based on general principles that may or may not apply to a specific situation. :)
"Draft" is usually considered a breeze strong enough to ruffle the chickens' feathers so as to rob them of their heat-retention capability. It doesn't mean to stop all air movement because air movement is necessary to carry away the moist, ammonia-laden air.
As for "enough" and "too much"...
That's probably a good thing -- showing that the rising warm, moist air is going out rather than being blocked and causing condensation to rain down on the birds.
Wow! What a lot of compiled info!
Since I'll have at least one big, Brahma girl I'm planning on either giving them a ramp or using a ladder style roost.
I can't speak to the poop boards because I don't use them but in re: this,
I set the base of my nest boxes in the new coop just below my elbow level. I will have to bend down a little to see into them when collecting eggs, but I can tell an egg from a golf ball by touch anyway. I wanted my...
Better to swing the windows to the outside from top hinges so that the window itself acts as your rain awning. :)
I just read this article on making secure supports for the open windows this morning. :https://www.backyardchickens.com/articles/window-support-for-top-hinged-windows.74810/