£600 Amcor portable Air conditioner for £200 ?

Bought it for classroom that never got hot, so never really used it. Retails for over 600 Comes with remote control. Amcor Air Conditioner Mobile 9000 Btu per hour 24hr Timer 3 Speed Fan W377xH750xD400mm Ref PLM12 KE-410 Elegant refined portable air conditioner delivering cooling efficiency Cooling capacity 9, 000 Btu/hr to EN14511 Cools a shady room up to 33m² Blue backlit moving graphic digital LCD Electronic touch controls Thermostatic temperature adjustment Three-speed fan, including turbo boost Ventilation, cool and auto modes 24 hour on/off repeat timer Full feature remote control Washable and odour-eating activated carbon filters Directional top air discharge louvres Hot air exhaust extends from 0.5m to 1.5m Easy store cable tidy Complete with drain tray and window vent fitting kit Energy rating B WxDxH: 377x750x400mm