A refrigerated system comprising: a vapor compression system defining a refrigerant flow path; a heat recovery system defining a heat recovery fluid flow path, the heat recovery system being thermally coupled to the vapor compression system, wherein the heat recovery system includes: a first heat exchanger within which heat is transferred between a heat recovery fluid and an engine coolant; at least one recovery heat exchanger positioned along the heat recovery fluid flow path directly upstream from the first heat exchanger; a primary fluid loop and a secondary fluid loop, the first heat exchanger and the at least one recovery heat exchanger being positioned along the primary fluid loop, wherein the secondary fluid loop is thermally coupled to the vapor compression system; characterised in that the heat recovery system further comprises: a pump located upstream from the first heat exchanger; an ejector having a primary inlet and a secondary inlet; and a heat rejection heat exchanger arranged downstream from the ejector; wherein heat recovery fluid from a first portion of the heat recovery fluid flow path and heat recovery fluid from a second portion of the heat recovery fluid flow path are thermally coupled at the at least one recovery heat exchanger, wherein the first portion of the heat recovery fluid flow path is arranged at an outlet of the ejector, and the second portion of the heat recovery flow path is arranged at an outlet of the pump. a vapor compression system defining a refrigerant flow path; a heat recovery system defining a heat recovery fluid flow path, the heat recovery system being thermally coupled to the vapor compression system, wherein the heat recovery system includes: a first heat exchanger within which heat is transferred between a heat recovery fluid and an engine coolant; at least one recovery heat exchanger positioned along the heat recovery fluid flow path directly upstream from the first heat exchanger; a primary fluid loop and a secondary fluid loop, the first heat exchanger and the at least one recovery heat exchanger being positioned along the primary fluid loop, wherein the secondary fluid loop is thermally coupled to the vapor compression system; characterised in that the heat recovery system further comprises: a pump located upstream from the first heat exchanger; an ejector having a primary inlet and a secondary inlet; and a heat rejection heat exchanger arranged downstream from the ejector; wherein heat recovery fluid from a first portion of the heat recovery fluid flow path and heat recovery fluid from a second portion of the heat recovery fluid flow path are thermally coupled at the at least one recovery heat exchanger, wherein the first portion of the heat recovery fluid flow path is arranged at an outlet of the ejector, and the second portion of the heat recovery flow path is arranged at an outlet of the pump. a first heat exchanger within which heat is transferred between a heat recovery fluid and an engine coolant; at least one recovery heat exchanger positioned along the heat recovery fluid flow path directly upstream from the first heat exchanger; a primary fluid loop and a secondary fluid loop, the first heat exchanger and the at least one recovery heat exchanger being positioned along the primary fluid loop, wherein the secondary fluid loop is thermally coupled to the vapor compression system; characterised in that the heat recovery system further comprises: a pump located upstream from the first heat exchanger; an ejector having a primary inlet and a secondary inlet; and a heat rejection heat exchanger arranged downstream from the ejector; wherein heat recovery fluid from a first portion of the heat recovery fluid flow path and heat recovery fluid from a second portion of the heat recovery fluid flow path are thermally coupled at the at least one recovery heat exchanger, wherein the first portion of the heat recovery fluid flow path is arranged at an outlet of the ejector, and the second portion of the heat recovery flow path is arranged at an outlet of the pump. a pump located upstream from the first heat exchanger; an ejector having a primary inlet and a secondary inlet; and a heat rejection heat exchanger arranged downstream from the ejector; wherein heat recovery fluid from a first portion of the heat recovery fluid flow path and heat recovery fluid from a second portion of the heat recovery fluid flow path are thermally coupled at the at least one recovery heat exchanger, wherein the first portion of the heat recovery fluid flow path is arranged at an outlet of the ejector, and the second portion of the heat recovery flow path is arranged at an outlet of the pump.