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This research aims to assess the operational performance of a split-type air conditioner utilizing evaporative cooling technology.

March 18, 2026BuildingsOpen Access

Experimental Study on the Operational Performance of a Household Split-Type Air Conditioner Based on Evaporative Cooling Technology

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Experimental study demonstrates improved performance in air conditioning systems, indicating significant energy savings.

This research aims to assess the operational performance of a split-type air conditioner utilizing evaporative cooling technology.
Designed an evaporative cooling household split-type air conditioner with a submerged water method.
Implemented a motor-driven rotation water distributor for even water distribution.
Conducted comparative experiments under various meteorological conditions.
Measured temperature differences and energy savings between systems with and without the water distributor.
Average air temperature differences at the inlet and outlet were 8.7 °C and 4.8 °C, respectively.
Maximum air temperature differences reached 12.3 °C and 8.2 °C, respectively.
Average condensing temperature at the condenser outlet was reduced by 2.6 °C and 2.1 °C with the water distributor.
Coefficient of performance (COP) increased by 22.6% and 18.2% during the operation period.
Energy savings reached 17.9% and 12.7%, respectively.

Yu et al. (2026) studied this question.

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