To obtain barn exhaust equipment capable of reducing odor concentration on a site boundary line of a barn without depending on weather.SOLUTION: Barn exhaust equipment 1 includes an exhaust chimney 3 arranged in the outside of a barn 20 and for exhausting barn-air being the air in the barn 20, an exhaust fan 5 arranged outside the vertical projection plane of the exhaust chimney 3, and an exhaust duct 4 for connecting the exhaust chimney 3 with the exhaust fan 5. The barn exhaust equipment 1 having such a configuration enables obtaining the barn exhaust equipment 1 capable of reducing odor concentration on a site boundary line of a barn without depending on weather.SELECTED DRAWING: Figure 1【課題】天候に因らず畜舎の敷地境界線上での臭気濃度を低減可能な畜舎排気設備を得ること。【解決手段】畜舎排気設備1は、畜舎20の外部に配置されて畜舎20の内部の空気である畜舎内空気を排気するための排気煙突3と、排気煙突3の垂直投影面外に配置された排気ファン5と、排気煙突3と排気ファン5とを連結する排気ダクト4と、を備える。このような構成を有する畜舎排気設備1は、天候に因らず畜舎の敷地境界線上での臭気濃度を低減可能な畜舎排気設備1を得ることが可能となる。【選択図】図1