This study was undertaken in Japan in the early 2000’s over a 2 month period in summer. Results of this paper show that ‘pre-cooling’ outdoor air conditioner intakes with mist, (droplet size identical to an OZmist static lines), provided a 36% reduction in energy consumption!!
A 5 storey building with 20 apartments was selected and various mist cooling techniques applied.
“Spraying to the outdoor unit of room air conditioner” was spraying water droplets in the air inlet of an outdoor unit, thereby lowering the temperature of supply air and heat exchange fins and thus improving air-conditioning efficiency..
“Figure 8 shows the effect on reduction of electricity consumption for air-cooling. The average reduction in energy consumption during the test period was 36%”