Abstract: The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by the following structure: Rf—O—Rh—O—Rf? wherein O is oxygen; Rf and Rf? are, independently, a fluoroaliphatic group, wherein each Rf and Rf? contain 1 hydrogen atom; Rh is independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of —O—CH2—O—. Another embodiment of the present invention is a method therefor.

Abstract: The present invention comprises a compound represented by the following structure: Rh?(O—Rf)m wherein: m=3-4 Rf is, independently, a perfluoroaliphatic group; Rh? is independently a linear or branched hydrocarbon with from 3 to about 8 carbon atoms. Another embodiment is an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid. Another embodiment of the present invention is a method for heat transfer.

Abstract: The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by the following structure: Rf—O—Rh—O—Rf? wherein: O is oxygen; Rf and Rf? are, independently, a fluoroaliphatic group, wherein each Rf and Rf? contain 1 hydrogen atom; Rh is independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of —O—CH2—O—. Another embodiment of the present invention is a method therefor.

Abstract: The present invention comprises a compound represented by the following structure: Rf—O—Rh—O—Rf? wherein: O is oxygen; Rf and Rf? are, independently, a perfluoroaliphatic group; and Rh is independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of —O—CH2—O—. Another embodiment is an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid. Another embodiment of the present invention is a method for heat transfer.