Dongosolo la kayendedwe ka madzi ndi njira yofunikira ya chiller ya mafakitale, yomwe imapangidwa makamaka ndi mpope, kusinthana kwamadzi, sensa yothamanga, kafukufuku wa kutentha, valve solenoid, fyuluta, evaporator ndi zigawo zina. Kuthamanga kwamadzi ndi chinthu chofunikira kwambiri pamadzi, ndipo ntchito yake imakhudza mwachindunji firiji ndi liwiro lozizira.