Portable air conditioner monobloc air conditioner series delonghi pac an delonghi pinguino energy efficiency class cooling a max cooling power 2 700 watt maximum cooling capacity btuh 9 212 btu energy efficiency cooling eer 26 hourly energy consumption in cooling mode 1 kwh60min annual energy consumption cooling 500 kwh maximum sound pressure level internal unit 63 db power type cooling dehumidifying cooling method air cooling operation single duct ai