Ukungafani kahle ebudlelwaneni kuholela ezingxabanweni ezingapheli ngokuhamba kwesikhathi. Ohlelweni lokupholisa, uwoyela ongafani ne-refrigerant kungaholela ekonakaleni okukhulu kwemishini ngokuhamba kwesikhathi.
Uwoyela wokupholisa ne-refrigerant ngempela kudinga ukufana okuphelele.
Uwoyela wamaminerali usebenza ne-R22. Kodwa-ke, ama-refrigerant avumelana nemvelo afana ne-R134a, i-R404A ne-R410A adinga uwoyela we-POE synthetic ester. Izinhlelo zokupholisa nge-ammonia zisebenzisa uwoyela we-AB, kanti izinhlelo ze-CO₂ zisebenzisa uwoyela we-PAG noma we-POE oqokiwe.
Uwoyela ongalungile ubangela ukuthambisa okungafanele nokugqokwa kwe-compressor ezimweni ezingathi sína. Ezimweni ezinzima, kuba khona ukusabela kwamakhemikhali phakathi kukawoyela ne-refrigerant, okuholela ekwakhekeni kwe-coking nokufakwa kwe-copper, okubhubhisa ngokuphelele i-compressor.
Ngaphambi kokukhetha uwoyela, qinisekisa ukuthi i-refrigerant enjani umshini wakho oyisebenzisayo. Ukufanisa okufanele kungumthetho wegolide.