The invention relates to a reefer container for shipping goods placed on pallets, which container comprises a plurality of sidewalls forming the sides, floor and ceiling in the container, a front end comprising cooling and or ventilating means and a rear end comprising an opening to be closed by one or more doors, a reefer machine further comprising one or more evaporators and one or more fans for transporting cooling air into the container, an evaporator (3) is placed above a fan (2) in an air circulating system for cooling the air (4) in the container(14), where air circulating or passing through the reefer machine (1) and guided from the evaporator (3) is divided into ducts (8) at both sides of the container (14). The invention further relates to a method of loading a reefer container (14) with pallets (15, 16).