Refrigerant e phetha karolo ea bohlokoa ts'ebetsong ea sehatsetsing ea ho khutlisa chiller ea metsi. Sehatsetsi sa hajoale se bolokang tikoloho se kenyelletsa R134A, R410A le R407C. Haeba basebelisi ba na le tlhokahalo e khethehileng mabapi le sehatsetsing, ba ka buisana le mofani oa thepa ea chiller ka tsela e nepahetseng.
Mabapi le tlhahiso, S&A Teyu e tsetetse lisebelisoa tsa tlhahiso ea li-yuan tse fetang milione, ho netefatsa boleng ba letoto la lits'ebetso ho tloha ho likarolo tsa mantlha (condenser) ea chiller ea indasteri ho ea ho tjheseletsa ea tšepe ea lakane; mabapi le thepa, S&A Teyu e thehile matlo a polokelo ea thepa metseng e meholo ea Chaena, e fokolitse tšenyo e khōlō ka lebaka la thepa ea sebaka se selelele, le ho ntlafatsa katleho ea lipalangoang; mabapi le tšebeletso ea ka mor'a thekiso, nako ea tiisetso ke lilemo tse peli.
