A dendritic heat exchanger configured to exchange thermal energy between a first fluid stream and a second fluid stream, the dendritic heat exchanger comprising: an elongate housing extending between a first end and an opposed second end and defining: (i) a housing volume; (ii) a first fluid inlet configured to receive the first fluid stream, as a first fluid inlet stream, into the housing volume; (iii) a first fluid outlet configured to emit the first fluid stream, as a first fluid outlet stream, from the housing volume; (iv) a second fluid inlet configured to receive the second fluid stream, as a second fluid inlet stream, into the housing volume; and (v) a second fluid outlet configured to emit the second fluid stream, as a second fluid outlet stream, from the housing volume; and a heat exchange structure extending within the housing volume, wherein the heat exchange structure includes a plurality of dendritic tubulars, and further wherein each dendritic tubular in the plurality of dendritic tubulars includes: (i) an inlet region defining an inlet conduit configured to receive a portion of the second fluid inlet stream from the second fluid inlet; and (ii) a branching region defining a plurality of branch conduits that extends from the inlet conduit, wherein each branch conduit in the plurality of branch conduits is configured to receive a respective fraction of the portion of the second fluid inlet stream from the inlet conduit and to provide the respective fraction of the portion of the second fluid inlet stream to the second fluid outlet to at least partially define the second fluid outlet stream, wherein the heat exchange structure further includes a plurality of internal walls, wherein each internal wall in the plurality of internal walls extends between, and along a length of, a corresponding pair of the plurality of dendritic tubulars. an elongate housing extending between a first end and an opposed second end and defining: (i) a housing volume; (ii) a first fluid inlet configured to receive the first fluid stream, as a first fluid inlet stream, into the housing volume; (iii) a first fluid outlet configured to emit the first fluid stream, as a first fluid outlet stream, from the housing volume; (iv) a second fluid inlet configured to receive the second fluid stream, as a second fluid inlet stream, into the housing volume; and (v) a second fluid outlet configured to emit the second fluid stream, as a second fluid outlet stream, from the housing volume; and (i) a housing volume; (ii) a first fluid inlet configured to receive the first fluid stream, as a first fluid inlet stream, into the housing volume; (iii) a first fluid outlet configured to emit the first fluid stream, as a first fluid outlet stream, from the housing volume; (iv) a second fluid inlet configured to receive the second fluid stream, as a second fluid inlet stream, into the housing volume; and (v) a second fluid outlet configured to emit the second fluid stream, as a second fluid outlet stream, from the housing volume; and a heat exchange structure extending within the housing volume, wherein the heat exchange structure includes a plurality of dendritic tubulars, and further wherein each dendritic tubular in the plurality of dendritic tubulars includes: (i) an inlet region defining an inlet conduit configured to receive a portion of the second fluid inlet stream from the second fluid inlet; and (ii) a branching region defining a plurality of branch conduits that extends from the inlet conduit, wherein each branch conduit in the plurality of branch conduits is configured to receive a respective fraction of the portion of the second fluid inlet stream from the inlet conduit and to provide the respective fraction of the portion of the second fluid inlet stream to the second fluid outlet to at least partially define the second fluid outlet stream, (i) an inlet region defining an inlet conduit configured to receive a portion of the second fluid inlet stream from the second fluid inlet; and (ii) a branching region defining a plurality of branch conduits that extends from the inlet conduit, wherein each branch conduit in the plurality of branch conduits is configured to receive a respective fraction of the portion of the second fluid inlet stream from the inlet conduit and to provide the respective fraction of the portion of the second fluid inlet stream to the second fluid outlet to at least partially define the second fluid outlet stream, wherein the heat exchange structure further includes a plurality of internal walls, wherein each internal wall in the plurality of internal walls extends between, and along a length of, a corresponding pair of the plurality of dendritic tubulars.