格(ge)(ge)柵風(feng)口能(neng)提(ti)高室(shi)(shi)(shi)內空(kong)(kong)(kong)氣(qi)品質、降低建筑能(neng)耗(hao)，以(yi)及進(jin)行大空(kong)(kong)(kong)間局部熱濕(shi)(shi)環境的(de)(de)(de)控(kong)制，逐(zhu)步成為(wei)當(dang)今辦(ban)(ban)公(gong)樓(lou)(lou)建筑空(kong)(kong)(kong)調(diao)發展的(de)(de)(de)重要(yao)方向，同時也對(dui)辦(ban)(ban)公(gong)樓(lou)(lou)傳(chuan)統(tong)(tong)(tong)空(kong)(kong)(kong)調(diao)系(xi)統(tong)(tong)(tong)的(de)(de)(de)設計提(ti)出(chu)新的(de)(de)(de)挑(tiao)戰(zhan)。傳(chuan)統(tong)(tong)(tong)的(de)(de)(de)辦(ban)(ban)公(gong)樓(lou)(lou)中央空(kong)(kong)(kong)調(diao)格(ge)(ge)柵風(feng)口系(xi)統(tong)(tong)(tong)為(wei)：風(feng)機盤管(guan)加新風(feng)機組空(kong)(kong)(kong)調(diao)系(xi)統(tong)(tong)(tong)，集中式定風(feng)量(liang)空(kong)(kong)(kong)調(diao)系(xi)統(tong)(tong)(tong)，以(yi)及變風(feng)量(liang)空(kong)(kong)(kong)調(diao)系(xi)統(tong)(tong)(tong)。這些系(xi)統(tong)(tong)(tong)通常采用頂棚送(song)風(feng)（上(shang)送(song)風(feng)）的(de)(de)(de)空(kong)(kong)(kong)調(diao)方式，它強(qiang)調(diao)送(song)風(feng)氣(qi)流與室(shi)(shi)(shi)內空(kong)(kong)(kong)氣(qi)的(de)(de)(de)充分混合，由吊(diao)頂送(song)出(chu)的(de)(de)(de)空(kong)(kong)(kong)氣(qi)吸收(shou)室(shi)(shi)(shi)內產(chan)生的(de)(de)(de)全(quan)部余(yu)熱、余(yu)濕(shi)(shi)并稀(xi)釋(shi)污染物，這樣使室(shi)(shi)(shi)內所(suo)有空(kong)(kong)(kong)間的(de)(de)(de)溫濕(shi)(shi)度(du)基本(ben)一致。此種控(kong)制方式不能(neng)很好地(di)滿(man)足同一使用空(kong)(kong)(kong)間中不同使用者對(dui)溫度(du)和通風(feng)的(de)(de)(de)不同要(yao)求(qiu)。而且，一旦系(xi)統(tong)(tong)(tong)安裝(zhuang)后，就不便于以(yi)后根據需(xu)要(yao)更改風(feng)口的(de)(de)(de)位置。