2.5KW ENERGY SAVING: With Environmentally Friendly Oil offering quick heat up and slow cool down function, 3 heat settings (1500W, 2000W & 2500W) means this White 2500W oil filled radiator is the perfect way to keep cosy for less. Its intelligent thermostat means your heater reaches its target temperature quickly, after which time it will turn itself off and on as required to keep your room at an even temperature. All these energy packed functions saving you money and energy and peace of mind