A temperature-controlled fluid forcing system, comprising: a temperature control system for cooling and/or heating a fluid and generating a stream of flowing temperature-controlled fluid; a conduit for directing the stream of flowing temperature-controlled fluid through a first outlet, a heat exchanger for receiving the stream of temperature-controlled fluid from the first outlet, the heat exchanger comprising: a thermally conductive housing having an interior and an exterior, an inlet at which the stream of temperature-controlled fluid is received, such that the stream of temperature-controlled fluid is directed into the interior of the housing, a plurality of walls within the interior of the housing, the plurality of walls defining a shaped flow space within the interior of the housing, the inlet being in communication with the shaped flow space such that the stream of temperature-controlled fluid flows through the shaped flow space and is in thermal communication with the housing, and a second outlet in communication with the shaped flow space such that the stream of temperature-controlled fluid is exhausted from the interior of the housing through the second outlet after flowing through the shaped flow space; and a thermally conductive probe in thermal communication with the exterior of the housing of the heat exchanger, the thermally conductive probe comprising a thermally conductive protrusion 227 in thermal communication with the exterior of the housing of the heat exchanger, such that, when the thermally conductive probe makes contact with a device under test, heat is conducted to or from DUT. a temperature control system for cooling and/or heating a fluid and generating a stream of flowing temperature-controlled fluid; a conduit for directing the stream of flowing temperature-controlled fluid through a first outlet, a heat exchanger for receiving the stream of temperature-controlled fluid from the first outlet, the heat exchanger comprising: a thermally conductive housing having an interior and an exterior, an inlet at which the stream of temperature-controlled fluid is received, such that the stream of temperature-controlled fluid is directed into the interior of the housing, a plurality of walls within the interior of the housing, the plurality of walls defining a shaped flow space within the interior of the housing, the inlet being in communication with the shaped flow space such that the stream of temperature-controlled fluid flows through the shaped flow space and is in thermal communication with the housing, and a second outlet in communication with the shaped flow space such that the stream of temperature-controlled fluid is exhausted from the interior of the housing through the second outlet after flowing through the shaped flow space; and a thermally conductive housing having an interior and an exterior, an inlet at which the stream of temperature-controlled fluid is received, such that the stream of temperature-controlled fluid is directed into the interior of the housing, a plurality of walls within the interior of the housing, the plurality of walls defining a shaped flow space within the interior of the housing, the inlet being in communication with the shaped flow space such that the stream of temperature-controlled fluid flows through the shaped flow space and is in thermal communication with the housing, and a second outlet in communication with the shaped flow space such that the stream of temperature-controlled fluid is exhausted from the interior of the housing through the second outlet after flowing through the shaped flow space; and a thermally conductive probe in thermal communication with the exterior of the housing of the heat exchanger, the thermally conductive probe comprising a thermally conductive protrusion 227 in thermal communication with the exterior of the housing of the heat exchanger, such that, when the thermally conductive probe makes contact with a device under test, heat is conducted to or from DUT.