可分(fen)為(wei)臺式和立式（或(huo)稱落(luo)地式）兩類。臺式飲(yin)水(shui)機(ji)，一(yi)般不設消(xiao)毒柜或(huo)儲物柜，所以其(qi)體形(xing)較(jiao)小， 移動較(jiao)方便。立式飲(yin)水(shui)機(ji)上半部分(fen)為(wei)飲(yin)水(shui)機(ji)，下半部分(fen)為(wei)消(xiao)毒柜或(huo)儲物柜，可以消(xiao)毒茶具(ju)或(huo)儲藏保鮮食品，個(ge)別機(ji)型還設置有小冰柜，供冷凍(dong)飲(yin)料用。

可(ke)分為溫熱(re)(re)(re)型(xing)(xing)(xing)、冷(leng)熱(re)(re)(re)型(xing)(xing)(xing)和(he)三溫型(xing)(xing)(xing)三類。溫熱(re)(re)(re)型(xing)(xing)(xing)飲(yin)(yin)水(shui)(shui)(shui)機(ji)(ji)設置(zhi)有常溫／熱(re)(re)(re)水(shui)(shui)(shui)水(shui)(shui)(shui)龍(long)(long)頭，分別(bie)供應(ying)常溫水(shui)(shui)(shui)／88－96℃熱(re)(re)(re)水(shui)(shui)(shui)；冷(leng)熱(re)(re)(re)型(xing)(xing)(xing)飲(yin)(yin)水(shui)(shui)(shui)機(ji)(ji)又稱冰熱(re)(re)(re)型(xing)(xing)(xing)飲(yin)(yin)水(shui)(shui)(shui)機(ji)(ji)，設置(zhi)冷(leng)／熱(re)(re)(re)水(shui)(shui)(shui)水(shui)(shui)(shui)龍(long)(long)頭，分別(bie)供應(ying)5~12 ℃冷(leng)水(shui)(shui)(shui)／88~96℃熱(re)(re)(re)水(shui)(shui)(shui)；三溫型(xing)(xing)(xing)飲(yin)(yin)水(shui)(shui)(shui)機(ji)(ji)是將上述兩種(zhong)機(ji)(ji)型(xing)(xing)(xing)的(de)功能綜合，設置(zhi)三個水(shui)(shui)(shui)龍(long)(long)頭，分別(bie)供應(ying)常溫水(shui)(shui)(shui)、冷(leng)水(shui)(shui)(shui)和(he)熱(re)(re)(re)水(shui)(shui)(shui)。

可分為電(dian)子(zi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)型(xing)和壓縮(suo)機制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)型(xing)兩類，電(dian)子(zi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)飲水(shui)機采用半(ban)導體(ti)元件制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)，具有功耗小、運(yun)行(xing)噪聲低(di)、無(wu)污染(ran)、自動(dong)控制(zhi)(zhi)(zhi)(zhi)和售(shou)價(jia)低(di)等(deng)特點(dian)，不足之(zhi)處是制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)速度慢(man)，供應冷(leng)(leng)水(shui)量(liang)較少(shao)。壓縮(suo)機制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)飲水(shui)機的制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)原理與冰箱相同，其制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)容量(liang)在(zai)3L左右，制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)功率在(zai)75－110W之(zhi)間(jian)，具有整(zheng)機可靠性高、制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)效率高、制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)速度快(kuai)、冷(leng)(leng)水(shui)供應量(liang)大等(deng)特點(dian)，其制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)性能明顯優(you)于電(dian)子(zi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)飲水(shui)機，但售(shou)價(jia)較貴。

分為使用(yong)瓶裝水(shui)(shui)和(he)自(zi)來(lai)水(shui)(shui)兩類。瓶裝水(shui)(shui)飲水(shui)(shui)機(ji)水(shui)(shui)源(yuan)由供水(shui)(shui)中心(xin)(xin)供應，對(dui)水(shui)(shui)質(zhi)要(yao)求較高。自(zi)來(lai)水(shui)(shui)飲水(shui)(shui)機(ji)除了飲水(shui)(shui)機(ji)功能(neng)外，機(ji)內還(huan)設置反滲透（RO）純水(shui)(shui)機(ji)或(huo)過濾(lv)筒，能(neng)自(zi)動過濾(lv)自(zi)來(lai)水(shui)(shui)，其特點是(shi)無(wu)需更換(huan)(huan)瓶、維護費用(yong)低、水(shui)(shui)質(zhi)穩定(ding)(ding)可(ke)靠、無(wu)菌衛生，不(bu)過，需要(yao)定(ding)(ding)期更換(huan)(huan)濾(lv)心(xin)(xin)和(he)濾(lv)膜，費用(yong)不(bu)菲。

可分為普通(tong)控(kong)(kong)(kong)制型、智能(neng)感應(ying)型和微(wei)電(dian)腦控(kong)(kong)(kong)制型三類。普通(tong)控(kong)(kong)(kong)制型飲水(shui)機其加(jia)熱和制冷(leng)均自動(dong)恒溫(wen)(wen)控(kong)(kong)(kong)制，是目前用戶使(shi)用最(zui)多的機型。智能(neng)感應(ying)型飲水(shui)機利用人體(ti)紅外(wai)感應(ying)，距離一定(ding)范圍內、限(xian)定(ding)視(shi)角內，人在時(shi)自動(dong)開機，人離開延時(shi)數分鐘后自動(dong)關機，使(shi)用安全、節約電(dian)能(neng)。微(wei)電(dian)腦單片機控(kong)(kong)(kong)制，加(jia)熱和制冷(leng)自動(dong)控(kong)(kong)(kong)溫(wen)(wen)，具有水(shui)溫(wen)(wen)顯示(shi)，溫(wen)(wen)度設定(ding)檔(dang)位多，控(kong)(kong)(kong)溫(wen)(wen)準確(que)，定(ding)時(shi)切(qie)斷電(dian)源，各(ge)種操作聲(sheng)光提示(shi)等功能(neng)。

抑菌型飲(yin)水(shui)機(ji)特點除了具有普通飲(yin)水(shui)機(ji)的功(gong)能外(wai)，飲(yin)水(shui)機(ji)與水(shui)接觸(chu)或暴露在空氣(qi)中的塑(su)料部(bu)件(jian)，如導(dao)水(shui)柱、水(shui)箱、水(shui)龍(long)頭等，硅橡膠連(lian)接水(shui)管和密封件(jian)均(jun)加入“RS抗菌劑”加工而成，通過緩釋效應能抑制大腸桿菌等多(duo)種有害細菌的滋生和繁殖，可長期保(bao)持抗菌功(gong)效。