Portable air conditioner monobloc air conditioner series delonghi pinguino energy efficiency class cooling a max cooling power 2 500 watt maximum cooling capacity btuh 8 530 btu energy efficiency cooling eer 261 hourly energy consumption in cooling mode 094 kwh60min annual energy consumption cooling 470 kwh minimum sound pressure level spl 48 db maximum sound pressure level internal unit 63 db power type cooling dehumidifying cooling method air cool