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Customer requested a save energy cooling solution for his pet storage warehouse. Solution: 1) installation of 3 chillair units: 25 KW of cooling capacity each with electricity consumption 1.6 KW. Each unit is installed outdoor and connected via insulated ducting to blow indoor cold air at low level at each storage corridor. Pre set temperature is 25 degrees and preset indoor humidity level 55%. 2) installation of total 5 extract fans with automated louvers at each corridor high level. 3) installation of automated central control box for extract fans and chillair units