A hydrogen refuelling station comprising: an open fluid system including an inlet end, a outlet and a fluid conductor, a closed cooling system configured for cooling a fluid conducted through the open fluid system, wherein the fluid enters the open fluid system at the inlet end fluidly connected, via the fluid conductor, to the outlet where the fluid leaves the open fluid system, wherein the closed cooling system comprises a compressor, a first heat exchanger fluidly connected to the compressor and a condensing heat exchanger which is configured to condense the gaseous state refrigerant removed from the first heat exchanger by the compressor, wherein at least part of the fluid conductor is located inside the first heat exchanger, the hydrogen refuelling station is characterised in that the closed cooling system is configured for circulation of a refrigerant in the closed cooling system and thereby configured for providing a solid state cooling bank of the refrigerant enclosing a portion of the fluid conductor in the first heat exchanger, wherein the solid state cooling bank thereby is thermally coupled to the open fluid system and thereby configured for cooling the fluid conducted through the fluid conductor of the open fluid system, wherein the solid state cooling bank of the closed cooling system is provided by pressure regulating means comprising: a level indicator positioned within the first heat exchanger an injection valve controlled by the level indicator, wherein the injection valve is configured for regulating the pressure within the first heat exchanger by allowing refrigerant in the liquid state from the condensing heat exchanger to enter the first heat exchanger, and a pressure indicator for measuring pressure within the first heat exchanger or at the conductor connecting the first heat exchanger with the compressor wherein the compressor is controlled by the pressure indicator, and the compressor is configured for regulating the pressure within the first heat exchanger by removing refrigerant in the gaseous state from the first heat exchanger. an open fluid system including an inlet end, a outlet and a fluid conductor, a closed cooling system configured for cooling a fluid conducted through the open fluid system, wherein the fluid enters the open fluid system at the inlet end fluidly connected, via the fluid conductor, to the outlet where the fluid leaves the open fluid system, wherein the closed cooling system comprises a compressor, a first heat exchanger fluidly connected to the compressor and a condensing heat exchanger which is configured to condense the gaseous state refrigerant removed from the first heat exchanger by the compressor, wherein at least part of the fluid conductor is located inside the first heat exchanger, the hydrogen refuelling station is characterised in that the closed cooling system is configured for circulation of a refrigerant in the closed cooling system and thereby configured for providing a solid state cooling bank of the refrigerant enclosing a portion of the fluid conductor in the first heat exchanger, wherein the solid state cooling bank thereby is thermally coupled to the open fluid system and thereby configured for cooling the fluid conducted through the fluid conductor of the open fluid system, wherein the solid state cooling bank of the closed cooling system is provided by pressure regulating means comprising: a level indicator positioned within the first heat exchanger an injection valve controlled by the level indicator, wherein the injection valve is configured for regulating the pressure within the first heat exchanger by allowing refrigerant in the liquid state from the condensing heat exchanger to enter the first heat exchanger, and a pressure indicator for measuring pressure within the first heat exchanger or at the conductor connecting the first heat exchanger with the compressor wherein the compressor is controlled by the pressure indicator, and the compressor is configured for regulating the pressure within the first heat exchanger by removing refrigerant in the gaseous state from the first heat exchanger. a level indicator positioned within the first heat exchanger an injection valve controlled by the level indicator, wherein the injection valve is configured for regulating the pressure within the first heat exchanger by allowing refrigerant in the liquid state from the condensing heat exchanger to enter the first heat exchanger, and a pressure indicator for measuring pressure within the first heat exchanger or at the conductor connecting the first heat exchanger with the compressor wherein the compressor is controlled by the pressure indicator, and the compressor is configured for regulating the pressure within the first heat exchanger by removing refrigerant in the gaseous state from the first heat exchanger.