抄録
Employing a CCHP system at the place of consumption is a method for optimizing energy consumption. The CCHP system generates the required electrical energy by using the prime mover, and recovers the lost heat to provide energy for heating and cooling. In this paper, a CCHP system is examined in different modes for residential buildings in Tehran climate. An evaluation of the CCHP system is carried out based on the primary energy saving and carbon dioxide emissions reduction criteria. The results show that use of CCHP system in the residential building reduces energy consumption and carbon dioxide emission. The values of evaluation criteria in the thermal demand management are higher than those of electrical demand management. The CCHP system achieves the best results based on thermal demand management and use of combination of electric and absorption chillers for cooling. The best achievement is reduction of 53% in energy consumption and 64% in carbon dioxide emission compared to a conventional system.