Cov khoom siv tub yees yog cov khoom siv dav hlau hauv cov khoom noj khoom noj txias, muab kev ua haujlwm xws li cov tub yees cia, tso saib, thiab txhim kho lub khw muag khoom. Lawv tsuas yog siv hauv khw muag khoom, khw muag khoom yooj yim, thiab lwm qhov chaw, thiab suav txog kwv yees li 50% ntawm lub khw muag khoom noj tag nrho. Lawv tuaj yeem muab faib ua hom kob, hom phab ntsa, thiab cov uas muaj kev sib xyaw ua ke.
Nrog rau txoj kev loj hlob sai ntawm kev lag luam kev lag luam thiab kev txhim kho txuas ntxiv ntawm tib neeg txoj kev ua neej nyob, yooj yim, nyab xeeb, huv si, thiab cov khoom noj khoom haus khov thiab cov tub yees tau dhau los ua neeg nyiam, ua rau muaj kev loj hlob sai hauv lawv cov khoom tsim thiab muag. Txhawm rau kom ntseeg tau tias cov khoom noj khov thiab cov tub yees tau muab rau cov neeg siv khoom zoo, cov txheej txheem ua tiav cov khoom noj txias txias yuav tsum tau tsim, npog txhua qhov txuas ntawm kev tsim khoom, khaws cia, kev thauj mus los, thiab kev muag khoom rau cov neeg siv khoom.
Muaj ntau yam cuam tshuam rau cov khoom noj khoom haus zoo thiab lub zog noj ntawm cov tub yees tso rau hauv lub tub yees, xws li sab nraud ambient kub thiab av noo, teeb pom kev zoo, huab cua kab hlau rhuav qauv, tub yees system, rov qab vaj huam sib luag qauv, txee kev ua tau zoo, thiab txee rwb thaiv tsev kev ua tau zoo. Cov yam ntxwv no muaj kev cuam tshuam loj rau kev siv lub zog ntawm lub cev, qhov sib xws ntawm cov khoom noj khoom haus kub hauv lub txee, thiab qhov kub ntawm cov khoom noj thaum lub sij hawm defrosting.
Nyob rau hauv xyoo tas los no, cov kws tshawb fawb hauv tsev thiab thoob ntiaj teb tau tshawb fawb ntau yam ntawm cov ntaub thaiv huab cua, qhov kub thiab av noo cuam tshuam, frosting thiab defrosting yam ntxwv, kev ua kom zoo dua qub, lub tub yees, thiab kev siv cov theem hloov thermal cia khoom hauv cov tub yees khoom. Qhov kev tshawb fawb no yog qhov tseem ceeb hauv kev txhawb nqa kev txhim kho ntawm cov khoom siv tub yees, txhim kho cov zaub mov zoo, thiab txo qis kev siv zog.
