Of course, it costs more than NT $ 1000 to change the refrigerant in a small automobile, so you could be talking figures in the millions for adding refrigerant to a super-sized central air conditioning system. Even for two or three years, this is a rather large burden on any company.
當然，小小一部汽車冷氣添加冷媒都要上千元，一座超大型中央空調的冷媒添加費用可能就要以「百萬」元為單位，就算兩、三年添加一次，對企業仍然是筆沉重的負擔。