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Wasted heating energy due to over-ventilation is a costly problem for hog producers. Proper sizing of ventilation and use of variable speed fans can improve energy efficiency.
Iowa State University Extension and Outreach
Agricultural and Biosystems Engineering, Farm Management
Agricultural Education | Bioresource and Agricultural Engineering | Oil, Gas, and Energy
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Harmon, Jay D.; Hanna, H. Mark; and Petersen, Dana, "Farm Energy: Sizing minimum ventilation to save heating energy in swine housing" (2010). Agriculture and Environment Extension Publications. 28.