The dynamic behavior of a heat regenerative adsorption heat pump employing an activated carbon-methanol pair has been studied. The mathematical models to simulate the system are presented. Curves of the system＇s Specific Cooling Power and Coefficient of Performance versus evaporating temperature for the system＇s variables are obtained by numerical calculation. To assess the validity of the model, experimental data with different operational parameters is furnished. The experimental results are in close agreement with the calculated data of the dynamic simulation. Therefore, by means of dynamic simulation, the performance of the system can be predicted, and the optimum operational parameters can be selected. (C) 2000 Elsevier Science Ltd. All rights reserved.