Ukuze kuvikelwe imvelo, u-S&Iyunithi yokupholisa amanzi e-Teyu ikhokhiswa iziqandisi ezingavumelani nemvelo, okuhlanganisa i-R-410a, i-R-407C ne-R-134a. Kodwa-ke, ekuthuthweni kwezindiza, isiqandisi sidinga ukuchithwa, ngoba isiqandisi siyaqhuma futhi siyasha futhi asivunyelwe ekuthuthweni komoya. Ngakho-ke, lapho abasebenzisi bethola iyunithi yokupholisa amanzi, badinga ukuthi isiqandisi sigcwaliswe kabusha ngesiqandisi esishiwo endaweni yesevisi yendawo yokupholisa umoya.
Mayelana nokukhiqizwa, u-S&I-Teyu itshale amathuluzi okukhiqiza amayuan angaphezu kwesigidi, iqinisekisa ikhwalithi yochungechunge lwezinqubo kusukela ezingxenyeni eziyinhloko (i-condenser) ye-chiller yezimboni kuya ekushiseleni kweshidi lensimbi; mayelana ne-logistics, S&I-Teyu imise izindawo zokugcina izimpahla emadolobheni amakhulu aseShayina, inciphise kakhulu umonakalo ngenxa yokuhanjiswa kwezimpahla ezikude, kanye nokwenza ngcono ukusebenza kahle kwezokuthutha; mayelana nesevisi yangemuva kokuthengisa, isikhathi sewaranti iminyaka emibili.
