可分(fen)為(wei)(wei)臺式(shi)和(he)立式(shi)（或稱落(luo)地(di)式(shi)）兩類(lei)。臺式(shi)飲(yin)水(shui)機，一般(ban)不(bu)設(she)消(xiao)(xiao)毒柜(ju)(ju)或儲(chu)物柜(ju)(ju)，所以其體形較(jiao)小， 移動(dong)較(jiao)方便(bian)。立式(shi)飲(yin)水(shui)機上半(ban)部分(fen)為(wei)(wei)飲(yin)水(shui)機，下半(ban)部分(fen)為(wei)(wei)消(xiao)(xiao)毒柜(ju)(ju)或儲(chu)物柜(ju)(ju)，可以消(xiao)(xiao)毒茶具或儲(chu)藏(zang)保鮮(xian)食品，個(ge)別機型還設(she)置有小冰柜(ju)(ju)，供冷凍飲(yin)料用。

可分為溫熱(re)(re)(re)(re)型、冷熱(re)(re)(re)(re)型和三(san)(san)溫型三(san)(san)類。溫熱(re)(re)(re)(re)型飲水(shui)(shui)(shui)(shui)機(ji)設(she)置(zhi)(zhi)(zhi)有(you)常(chang)溫／熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)龍(long)頭(tou)(tou)，分別(bie)(bie)供(gong)(gong)應(ying)常(chang)溫水(shui)(shui)(shui)(shui)／88－96℃熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)；冷熱(re)(re)(re)(re)型飲水(shui)(shui)(shui)(shui)機(ji)又(you)稱冰熱(re)(re)(re)(re)型飲水(shui)(shui)(shui)(shui)機(ji)，設(she)置(zhi)(zhi)(zhi)冷／熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)龍(long)頭(tou)(tou)，分別(bie)(bie)供(gong)(gong)應(ying)5~12 ℃冷水(shui)(shui)(shui)(shui)／88~96℃熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)；三(san)(san)溫型飲水(shui)(shui)(shui)(shui)機(ji)是將上述兩種機(ji)型的功能綜合，設(she)置(zhi)(zhi)(zhi)三(san)(san)個水(shui)(shui)(shui)(shui)龍(long)頭(tou)(tou)，分別(bie)(bie)供(gong)(gong)應(ying)常(chang)溫水(shui)(shui)(shui)(shui)、冷水(shui)(shui)(shui)(shui)和熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)。

可分為電子(zi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)型和(he)壓縮機(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)型兩類，電子(zi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)飲水(shui)(shui)機(ji)采(cai)用半(ban)導體元(yuan)件制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)，具有功耗小、運行(xing)噪聲低(di)(di)、無污染、自動(dong)控制(zhi)(zhi)(zhi)(zhi)(zhi)和(he)售(shou)(shou)價低(di)(di)等特點，不足之(zhi)處是制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)速度慢，供(gong)應冷(leng)(leng)水(shui)(shui)量較少。壓縮機(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)飲水(shui)(shui)機(ji)的制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)原理(li)與(yu)冰(bing)箱相同，其制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)容量在(zai)3L左右，制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)功率(lv)在(zai)75－110W之(zhi)間，具有整機(ji)可靠性(xing)(xing)高(gao)、制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)效率(lv)高(gao)、制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)速度快、冷(leng)(leng)水(shui)(shui)供(gong)應量大等特點，其制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)性(xing)(xing)能明顯優于電子(zi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)飲水(shui)(shui)機(ji)，但售(shou)(shou)價較貴。

分為(wei)使用瓶(ping)裝(zhuang)水(shui)(shui)和自來水(shui)(shui)兩類。瓶(ping)裝(zhuang)水(shui)(shui)飲(yin)水(shui)(shui)機(ji)水(shui)(shui)源(yuan)由供水(shui)(shui)中心(xin)供應，對(dui)水(shui)(shui)質(zhi)要求較高。自來水(shui)(shui)飲(yin)水(shui)(shui)機(ji)除了飲(yin)水(shui)(shui)機(ji)功能(neng)外，機(ji)內還設置反滲透（RO）純水(shui)(shui)機(ji)或過濾筒，能(neng)自動過濾自來水(shui)(shui)，其特點是無需(xu)(xu)更(geng)換瓶(ping)、維(wei)護費(fei)用低、水(shui)(shui)質(zhi)穩定可靠、無菌衛(wei)生，不(bu)過，需(xu)(xu)要定期更(geng)換濾心(xin)和濾膜，費(fei)用不(bu)菲(fei)。

可(ke)分為普通(tong)控制(zhi)型(xing)(xing)、智能感應型(xing)(xing)和(he)微(wei)(wei)電腦控制(zhi)型(xing)(xing)三類。普通(tong)控制(zhi)型(xing)(xing)飲水(shui)機(ji)其加熱和(he)制(zhi)冷均自(zi)動(dong)恒(heng)溫(wen)(wen)控制(zhi)，是目前用(yong)(yong)(yong)戶使(shi)用(yong)(yong)(yong)最多的機(ji)型(xing)(xing)。智能感應型(xing)(xing)飲水(shui)機(ji)利(li)用(yong)(yong)(yong)人體紅外感應，距離(li)一定范圍內、限定視角內，人在時自(zi)動(dong)開機(ji)，人離(li)開延(yan)時數分鐘后自(zi)動(dong)關機(ji)，使(shi)用(yong)(yong)(yong)安全、節約電能。微(wei)(wei)電腦單片機(ji)控制(zhi)，加熱和(he)制(zhi)冷自(zi)動(dong)控溫(wen)(wen)，具有水(shui)溫(wen)(wen)顯(xian)示，溫(wen)(wen)度設定檔位多，控溫(wen)(wen)準確，定時切斷電源，各種操作聲光提示等功能。

抑菌型(xing)飲水(shui)機(ji)特(te)點除了具有(you)普通飲水(shui)機(ji)的(de)功能外，飲水(shui)機(ji)與水(shui)接觸(chu)或暴露在空氣(qi)中的(de)塑料部件(jian)，如導水(shui)柱、水(shui)箱(xiang)、水(shui)龍頭等，硅橡膠(jiao)連接水(shui)管(guan)和密封件(jian)均加(jia)入(ru)“RS抗(kang)菌劑”加(jia)工而成，通過緩(huan)釋效應能抑制大腸桿菌等多種有(you)害細(xi)菌的(de)滋生和繁殖，可(ke)長(chang)期(qi)保持抗(kang)菌功效。