Chickens-246, 
be sure to include my observation that my steel sided pole barn was maintaining 70 F at a 30 F outside air temperature, without supplemental heat.
Here is some good reading on cold weather ventilation and heat balance in livestock facilities:
http://www.cps.gov.on.ca/english/plans/E9000/9700/M-9700L.pdf
My sincerest best wishes to you with your business,
Mac
	
		
			
		
		
	
				
			be sure to include my observation that my steel sided pole barn was maintaining 70 F at a 30 F outside air temperature, without supplemental heat.
Here is some good reading on cold weather ventilation and heat balance in livestock facilities:
http://www.cps.gov.on.ca/english/plans/E9000/9700/M-9700L.pdf
My sincerest best wishes to you with your business,
Mac
			
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