Aircon Installation Aircon Servicing SingaporeIf your Aircon is giving cool air, this might be a sign that you require gas top-up service in Singapore. An aircon is important for people living in Singapore. The warm and moist climate needs an aircon if you wish to live happily. Aircon use gas – similarly known as refrigerant, or coolant to work. If there is less gas than recommended pressure gas, your aircon may start failing.