PROBLEM TO BE SOLVED: To provide an air-conditioning device that can use heat of vaporization with evaporation of water to effectively cool surrounding air, facilitates installation work and removal work without being limited an installation location, and can be manufactured at low cost.SOLUTION: An air-conditioning device includes props 1, 1 to each which concrete blocks 7, 7 are attached at lower ends; support members 2, 2 substantially horizontally built over upper and lower parts, respectively, of the props 1, 1; a net-like member 3 stretched tightly between the support members 2, 2; a porous pipe 4 installed in the vicinity of an upper end of the net-like member 2 to be substantially horizontal and of which a tip has a plug 9 attached thereto; and a water supply pipe 5 connected to the porous pipe 4.【課題】水の蒸発に伴う気化熱を利用して周囲の空気を効率よく冷却できるとともに、設置場所が限定されず、かつ、設置作業や撤去作業が容易であって、しかも安価に製造することが可能な空調装置を提供する。【解決手段】本発明の空調装置は、コンクリート製のブロック7,7が下端にそれぞれ取り付けられた支柱1,1と、この支柱1,1の上下にそれぞれ略水平に架け渡される支持部材2,2と、支持部材2,2の間に張設される網状部材3と、略水平をなすように網状部材2の上端近傍に設置され,先端部に栓体9が取り付けられた多孔質パイプ4と、多孔質パイプ4に接続される給水管5を備えている。【選択図】図1