A small scale steam jet ejector experimental setup was designed and manufactured. This ejector setup consists of an open loop configuration and the boiler operate in the temperature range of T_b=85–140°C. The typical evaporator liquid temperatures range from T_e=5°C to 10°C while the typical water-cooled condenser pressure ranges from P_c=1.70kPa to 5.63kPa (T_c=15–35°C). The boiler is powered by two 4kW electric elements while a 3kW electric element simulates the cooling load in the evaporator. The electric elements are controlled by means of variacs. Primary nozzles with throat diameters of 2.5mm, 3.0mm and 3.5mm are tested while the secondary ejector throat diameter remains unchanged at 18mm. These primary nozzles allow the boiler to operate in the temperature range of T_b=85–110°C. When the nozzle throat diameter is increased, the minimum boiler temperature decreases. A primary nozzle with a 3.5mm throat diameter was tested at a boiler temperature of T_b=95°C, an evaporator temperature of T_e=10°C and a critical condenser pressure of P_crit=2.67kPa (22.6°C). The system's COP is 0.253. In a case study the experimental data of a solar powered steam jet ejector air conditioner is investigated. Solar powered steam ejector air conditioning systems are technical and economical viable when compared to conventional vapour compression air conditioners. Such a system can either utilise flat plate or evacuated tube solar thermal collectors depending on the type of solar energy available.