Comparison of measured performance of booster and compressor heat recovery systems

To effectively recover the exhaust heat of the air conditioning machine room, the heat recovery system of the booster and compressor is proposed, and the prototype is designed and applied to the air conditioning machine room of an experimental base in Beijing. When the outdoor air inlet temperature increases from 3 ℃ to 15 ℃, the heating capacity, power, temperature efficiency, outdoor air outlet temperature, COP, and energy-saving rate of the booster system and compressor system are obtained through practical tests. The results show that when the outdoor air inlet temperature is lower than 7 ℃, the performance of the booster system is better. When the outdoor air inlet temperature is higher than or equal to 7 ℃, the performance of the compressor system is better. Compared with the electric boiler, the energy-saving rates of the booster system and the compressor system are 38.85% and 35.25%, respectively.