With its outstanding 843 efficiency the graphite 5 is one of the most effective 5kw output stoves that you can buy its unique heat conveyor warm air convection system will quickly distribute heat around your living space so that you get the benefit of both radiated heat and convected heat without burning any extra fuel and the graphites excellent controllability means overall youll be using less of it too pre heated tertiary air ensures the graphite is extremely clean burning and bette