The excess molar volumes for binary liquid mixtures of trichloroethylene, C2Cl3H, and tetrachloroethylene, C2Cl4, with 2-(2-methoxyethoxy)ethanol, CH3O(CH2)(2)O(CH2)(2)OH, 2-(2-ethoxyethoxy)ethanol, C2H5O(CH2)2O(CH2)(2)OH, and 2-(2-butoxyethoxy)ethanol, C4H9O(CH2)(2)O(CH2)(2)OH, have been measured using a continuous-dilution dilatometer over the entire mole fraction range at 298.15 and 308.15 K. The excess volumes change sign for trichloroethylene and are positive for tetrachloroethylene with 2-(2-methoxyethoxy)ethanol, 2-(2-ethoxyethoxy)ethanol, and 2-(2-butoxyethoxy)ethanol over the whole composition range at both temperatures. The measured excess volume decreases as the alkyl chain length of the alkoxyethanol increases.