Standard (p degrees = 0.1 MPa) massic energies of combustion for 1-methyl-3-piperidinol, 1-ethyl-3-piperidinol, and 1-methyl-4-piperidinol were measured at T = 298.15 K by static bomb calorimetry. The standard molar enthalpies of formation of the condensed phase were derived. The standard molar enthalpies of vaporization at T = 298.15 K of the three piperidinol derivatives studied were determined by high-temperature Calvet microcalorimetry. The respective standard molar enthalpies of formation in the gaseous phase at T = 298.15 K were derived.