可(ke)分(fen)(fen)為臺式(shi)和立(li)式(shi)（或(huo)稱落(luo)地式(shi)）兩類。臺式(shi)飲(yin)水機(ji)，一般(ban)不(bu)設消(xiao)(xiao)毒(du)柜(ju)(ju)或(huo)儲(chu)物柜(ju)(ju)，所以其體形較(jiao)小， 移動較(jiao)方便(bian)。立(li)式(shi)飲(yin)水機(ji)上半部(bu)分(fen)(fen)為飲(yin)水機(ji)，下半部(bu)分(fen)(fen)為消(xiao)(xiao)毒(du)柜(ju)(ju)或(huo)儲(chu)物柜(ju)(ju)，可(ke)以消(xiao)(xiao)毒(du)茶具或(huo)儲(chu)藏(zang)保鮮食(shi)品，個別機(ji)型(xing)還設置有小冰柜(ju)(ju)，供冷凍(dong)飲(yin)料用(yong)。

可分(fen)為溫(wen)熱型(xing)(xing)(xing)、冷(leng)熱型(xing)(xing)(xing)和(he)三溫(wen)型(xing)(xing)(xing)三類。溫(wen)熱型(xing)(xing)(xing)飲(yin)(yin)水(shui)機(ji)(ji)設(she)置(zhi)(zhi)有常溫(wen)／熱水(shui)水(shui)龍頭，分(fen)別(bie)供(gong)應(ying)(ying)常溫(wen)水(shui)／88－96℃熱水(shui)；冷(leng)熱型(xing)(xing)(xing)飲(yin)(yin)水(shui)機(ji)(ji)又稱冰熱型(xing)(xing)(xing)飲(yin)(yin)水(shui)機(ji)(ji)，設(she)置(zhi)(zhi)冷(leng)／熱水(shui)水(shui)龍頭，分(fen)別(bie)供(gong)應(ying)(ying)5~12 ℃冷(leng)水(shui)／88~96℃熱水(shui)；三溫(wen)型(xing)(xing)(xing)飲(yin)(yin)水(shui)機(ji)(ji)是將上述(shu)兩種機(ji)(ji)型(xing)(xing)(xing)的功(gong)能綜合，設(she)置(zhi)(zhi)三個水(shui)龍頭，分(fen)別(bie)供(gong)應(ying)(ying)常溫(wen)水(shui)、冷(leng)水(shui)和(he)熱水(shui)。

可(ke)分為電子(zi)(zi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)型(xing)和(he)壓縮機(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)型(xing)兩類，電子(zi)(zi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)飲水(shui)機(ji)采用半導(dao)體元件(jian)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)，具(ju)有功耗小、運行噪聲低、無污(wu)染、自(zi)動控制(zhi)(zhi)(zhi)(zhi)(zhi)和(he)售(shou)價低等(deng)(deng)特點，不(bu)足之(zhi)處是制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)速度(du)慢，供應冷(leng)(leng)(leng)(leng)水(shui)量(liang)(liang)較少。壓縮機(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)飲水(shui)機(ji)的制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)原(yuan)理與冰(bing)箱(xiang)相(xiang)同，其制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)容量(liang)(liang)在3L左右，制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)功率在75－110W之(zhi)間，具(ju)有整(zheng)機(ji)可(ke)靠性高、制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)效(xiao)率高、制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)速度(du)快、冷(leng)(leng)(leng)(leng)水(shui)供應量(liang)(liang)大(da)等(deng)(deng)特點，其制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)性能明顯優于電子(zi)(zi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)飲水(shui)機(ji)，但(dan)售(shou)價較貴。

分為使用(yong)瓶裝水(shui)(shui)和(he)自來(lai)(lai)水(shui)(shui)兩(liang)類。瓶裝水(shui)(shui)飲(yin)水(shui)(shui)機水(shui)(shui)源(yuan)由(you)供水(shui)(shui)中心(xin)供應，對水(shui)(shui)質(zhi)要求較(jiao)高。自來(lai)(lai)水(shui)(shui)飲(yin)水(shui)(shui)機除(chu)了飲(yin)水(shui)(shui)機功能外，機內還(huan)設置反滲透(tou)（RO）純(chun)水(shui)(shui)機或(huo)過(guo)濾(lv)筒，能自動過(guo)濾(lv)自來(lai)(lai)水(shui)(shui)，其特點是無需更(geng)換(huan)瓶、維護(hu)費(fei)用(yong)低(di)、水(shui)(shui)質(zhi)穩定可靠、無菌衛生，不過(guo)，需要定期更(geng)換(huan)濾(lv)心(xin)和(he)濾(lv)膜，費(fei)用(yong)不菲(fei)。

可分為(wei)普通控(kong)(kong)制(zhi)型、智(zhi)能(neng)感應(ying)型和(he)微電腦控(kong)(kong)制(zhi)型三類。普通控(kong)(kong)制(zhi)型飲(yin)水(shui)機其加熱和(he)制(zhi)冷(leng)均自(zi)動(dong)(dong)恒溫控(kong)(kong)制(zhi)，是目前(qian)用(yong)戶使用(yong)最多的機型。智(zhi)能(neng)感應(ying)型飲(yin)水(shui)機利用(yong)人(ren)體紅外感應(ying)，距(ju)離一(yi)定(ding)范(fan)圍(wei)內、限定(ding)視角內，人(ren)在時(shi)(shi)自(zi)動(dong)(dong)開(kai)機，人(ren)離開(kai)延(yan)時(shi)(shi)數(shu)分鐘后自(zi)動(dong)(dong)關機，使用(yong)安全、節約電能(neng)。微電腦單片機控(kong)(kong)制(zhi)，加熱和(he)制(zhi)冷(leng)自(zi)動(dong)(dong)控(kong)(kong)溫，具有水(shui)溫顯(xian)示，溫度設定(ding)檔位多，控(kong)(kong)溫準確，定(ding)時(shi)(shi)切斷電源，各種操作聲光提示等功能(neng)。

抑菌(jun)(jun)型飲(yin)水(shui)(shui)機特點(dian)除了具有普通飲(yin)水(shui)(shui)機的功(gong)(gong)能外，飲(yin)水(shui)(shui)機與水(shui)(shui)接(jie)觸或暴露在空(kong)氣中的塑(su)料部件(jian)，如導水(shui)(shui)柱、水(shui)(shui)箱(xiang)、水(shui)(shui)龍頭等(deng)，硅橡膠連接(jie)水(shui)(shui)管和密封件(jian)均(jun)加(jia)入“RS抗菌(jun)(jun)劑”加(jia)工(gong)而成(cheng)，通過緩(huan)釋效(xiao)應能抑制大(da)腸(chang)桿(gan)菌(jun)(jun)等(deng)多(duo)種(zhong)有害細菌(jun)(jun)的滋生和繁殖，可(ke)長期(qi)保持抗菌(jun)(jun)功(gong)(gong)效(xiao)。