Abstract
The room cooling system fuelled by wood pellets was designed, composed and tested. The system was composed of a pellet stocker, a pellet burner, a heat exchanger and a lithium bromide-water absorption heat pump. The tests were carried out in summer. The volume of the tested room was 37.3 m3. When the environmental temperature was 31°C, the temperature of airflow from the indoor unit decreased from 31 to 17°C by the operation of this system. The room temperature could be controlled to 24°C successfully. The consumption rate of the pellets was 9 kg/h and the energy generated by the combustion was 44 kW to operate a 2kW-capacity room unit.