Electronic controls Up to 12 hour onoff timer 2-speed turbo fan Directional air louvres Discharge hose for hot air extends from 0.3 to 1.5 metres Windowwall fitting kit included Heat pump for extended usage Evaporative booster for enhanced cooling Portable air conditioning is ideally suited for localised cooling in particularly warm areas of a building & can also be used cost effectively to cool one room rather than the whole house. All air conditioners use the evaporative cooling effect of the condensation to improve performance & efficiency.