可(ke)分為臺(tai)式和(he)立(li)式（或(huo)稱落地(di)式）兩類。臺(tai)式飲(yin)水機，一(yi)般不設(she)(she)消(xiao)毒(du)柜(ju)或(huo)儲物(wu)柜(ju)，所以(yi)其體形較(jiao)小， 移動較(jiao)方便。立(li)式飲(yin)水機上半部分為飲(yin)水機，下半部分為消(xiao)毒(du)柜(ju)或(huo)儲物(wu)柜(ju)，可(ke)以(yi)消(xiao)毒(du)茶具或(huo)儲藏保鮮(xian)食品，個別機型還設(she)(she)置有小冰柜(ju)，供冷凍(dong)飲(yin)料(liao)用。

可分為溫熱(re)(re)(re)(re)型(xing)(xing)、冷(leng)熱(re)(re)(re)(re)型(xing)(xing)和三(san)溫型(xing)(xing)三(san)類。溫熱(re)(re)(re)(re)型(xing)(xing)飲(yin)水(shui)(shui)(shui)機(ji)(ji)(ji)設(she)(she)置有常(chang)溫／熱(re)(re)(re)(re)水(shui)(shui)(shui)水(shui)(shui)(shui)龍頭，分別(bie)供(gong)(gong)應常(chang)溫水(shui)(shui)(shui)／88－96℃熱(re)(re)(re)(re)水(shui)(shui)(shui)；冷(leng)熱(re)(re)(re)(re)型(xing)(xing)飲(yin)水(shui)(shui)(shui)機(ji)(ji)(ji)又稱冰熱(re)(re)(re)(re)型(xing)(xing)飲(yin)水(shui)(shui)(shui)機(ji)(ji)(ji)，設(she)(she)置冷(leng)／熱(re)(re)(re)(re)水(shui)(shui)(shui)水(shui)(shui)(shui)龍頭，分別(bie)供(gong)(gong)應5~12 ℃冷(leng)水(shui)(shui)(shui)／88~96℃熱(re)(re)(re)(re)水(shui)(shui)(shui)；三(san)溫型(xing)(xing)飲(yin)水(shui)(shui)(shui)機(ji)(ji)(ji)是(shi)將(jiang)上述兩種機(ji)(ji)(ji)型(xing)(xing)的功能綜(zong)合，設(she)(she)置三(san)個(ge)水(shui)(shui)(shui)龍頭，分別(bie)供(gong)(gong)應常(chang)溫水(shui)(shui)(shui)、冷(leng)水(shui)(shui)(shui)和熱(re)(re)(re)(re)水(shui)(shui)(shui)。

可(ke)分為電(dian)(dian)(dian)子制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)型(xing)和(he)壓(ya)縮機(ji)(ji)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)型(xing)兩類，電(dian)(dian)(dian)子制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)飲水(shui)機(ji)(ji)采(cai)用半導體元件(jian)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)，具(ju)有(you)(you)功耗小(xiao)、運行噪聲(sheng)低、無污染、自動控(kong)制(zhi)(zhi)和(he)售(shou)價低等特點，不足(zu)之(zhi)處是制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)速度(du)慢，供(gong)應冷(leng)(leng)(leng)(leng)(leng)水(shui)量(liang)較(jiao)少(shao)。壓(ya)縮機(ji)(ji)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)飲水(shui)機(ji)(ji)的制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)原理與冰箱相(xiang)同，其(qi)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)容量(liang)在(zai)3L左右，制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)功率(lv)在(zai)75－110W之(zhi)間，具(ju)有(you)(you)整機(ji)(ji)可(ke)靠性高(gao)、制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)效率(lv)高(gao)、制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)速度(du)快(kuai)、冷(leng)(leng)(leng)(leng)(leng)水(shui)供(gong)應量(liang)大(da)等特點，其(qi)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)性能明顯(xian)優于電(dian)(dian)(dian)子制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)飲水(shui)機(ji)(ji)，但售(shou)價較(jiao)貴。

分為(wei)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)機水(shui)(shui)源由供(gong)水(shui)(shui)中心(xin)供(gong)應(ying)，對水(shui)(shui)質(zhi)要(yao)求較高。自(zi)來(lai)水(shui)(shui)飲水(shui)(shui)機除了飲水(shui)(shui)機功(gong)能外，機內還設置反滲透（RO）純水(shui)(shui)機或過(guo)(guo)濾筒，能自(zi)動過(guo)(guo)濾自(zi)來(lai)水(shui)(shui)，其特點是無(wu)需更換(huan)瓶、維護費用(yong)低(di)、水(shui)(shui)質(zhi)穩定(ding)可靠(kao)、無(wu)菌衛生，不過(guo)(guo)，需要(yao)定(ding)期更換(huan)濾心(xin)和(he)濾膜，費用(yong)不菲。

可分為(wei)普通(tong)控制型(xing)(xing)、智(zhi)能感(gan)應(ying)型(xing)(xing)和(he)微電(dian)腦(nao)控制型(xing)(xing)三類(lei)。普通(tong)控制型(xing)(xing)飲(yin)水(shui)機(ji)其(qi)加(jia)熱(re)和(he)制冷均自動(dong)恒溫(wen)(wen)控制，是目前用(yong)戶使(shi)用(yong)最多(duo)的機(ji)型(xing)(xing)。智(zhi)能感(gan)應(ying)型(xing)(xing)飲(yin)水(shui)機(ji)利用(yong)人體(ti)紅外感(gan)應(ying)，距離(li)一(yi)定范圍內(nei)、限定視角內(nei)，人在時自動(dong)開機(ji)，人離(li)開延(yan)時數分鐘后自動(dong)關機(ji)，使(shi)用(yong)安(an)全(quan)、節約電(dian)能。微電(dian)腦(nao)單片機(ji)控制，加(jia)熱(re)和(he)制冷自動(dong)控溫(wen)(wen)，具有水(shui)溫(wen)(wen)顯示，溫(wen)(wen)度設定檔(dang)位多(duo)，控溫(wen)(wen)準確，定時切斷電(dian)源，各種操(cao)作聲(sheng)光(guang)提(ti)示等功能。

抑菌(jun)(jun)型(xing)飲水(shui)機(ji)特點除了具有(you)普通飲水(shui)機(ji)的(de)功(gong)能外，飲水(shui)機(ji)與(yu)水(shui)接觸或暴(bao)露(lu)在空氣中(zhong)的(de)塑料部件(jian)，如(ru)導水(shui)柱、水(shui)箱、水(shui)龍頭等，硅橡膠連接水(shui)管和密封件(jian)均加入“RS抗菌(jun)(jun)劑”加工而成(cheng)，通過(guo)緩釋效(xiao)應能抑制大腸桿菌(jun)(jun)等多種有(you)害細菌(jun)(jun)的(de)滋生和繁殖，可長(chang)期保持(chi)抗菌(jun)(jun)功(gong)效(xiao)。