PROBLEM TO BE SOLVED: To provide an integrated environmental control system for protected horticulture house which can control the temperature in the protected horticulture house, can prevent generation of dew condensation, and can supply carbon dioxide to the inside of the protected-horticulture house, as well as can keep the saturation deficit within an appropriate range； and to provide a house warming method using the integrated environmental control system.SOLUTION: The air in a protected horticulture house 2 is heated in a heat exchange chamber 22 by the exhaust heat of the exhaust gas generated in a combustion chamber 5, and the temperature of the exhaust gas is cooled through first and second heat exchangers 10 and 11, while water generated when the exhaust gas is cooled is discharged outside the protected horticulture house 2. The total amount of the carbon dioxide comprised in the cooled exhaust gas is supplied to the inside of the protected horticulture house 2. The open air with low water content is dried by the first and second heat exchangers 10 and 11, and the dried open air is supplied along the surface layer of a vinyl sheet 2a.SELECTED DRAWING: Figure 1【課題】 施設園芸用ハウス内の温度管理が行え、結露の発生を防止して二酸化炭素を設園芸用ハウス内に供給でき、飽差を適正範囲内に収めることができる施設園芸用ハウスの統合環境制御システム及びこの統合環境制御システムを用いたハウス加温方法を提供する。【解決手段】 燃焼室５で発生した排気ガスの排熱により、熱交換室２２では施設園芸用ハウス２内の空気を加温し、排気ガスの温度を第１及び第２熱交換器１０，１１を通して冷却すると共に、排気ガスを冷却した際に生じる水分を施設園芸用ハウス２外に排出する。冷却した排気ガスに含まれる二酸化炭素の全量を施設園芸用ハウス２内に供給する。第１及び第２熱交換器１０，１１で水分量の少ない外気を乾燥させ、乾燥させた外気をビニールシート２ａの表面層に沿って供給する。【選択図】 図１
