Energetic, economic and environmental (3E) analysis of R290, R454C and R465A for drop-in split type air conditioning running on R22 by Carlos H.M. Braga, Leonardo V.S. Martins, Juan J.G. Pabon, Luiz Machado, Willian M. Duarte

“…The present study aims to evaluate the process of drop-in of R22 in split type air conditioning with refrigerant fluids R290, R454C, and R465A. …”
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Experimental study of the split-type air conditioner with the variable-speed compressor, variable-speed supply fan, and electronic expansion valve by Amany alkinany, Alaa R. Al-Badri, Ahmed H. Al-Hassani

“…In this study tested a split-type air conditioning system with a capacity of 1 ton (12,000 BTU/hr, 3.5 KW) of refrigeration was tested using R410A as the working fluid under different operating conditions. …”
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Field Measurements of Building Air-Conditioning Heat Rejection and the Thermal Environment in Urban Areas by Kang Mu, Qiong Suo, Fangliang Ding, Changwei Jiang, Xiaofeng Zhang, Jing Ye

“…In contrast, exhausts from split-type air-conditioning units in residential buildings have an average relative humidity about 14.2% lower than the atmosphere humidity, with temperature averages being 5.2 °C higher during the day and 6.5 °C higher at night, raising surrounding temperatures. …”
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