Have constant boiling water at a fraction of the cost of boiling a kettlethe 680w perma therm thermo pot from neostar elecctronics not only boils water but unlike a kettle it uses a measly 2w continuously to keep it hot all day long meaning you dont have to re boil each time and you always have hot water on tap whenever you want it its so energy efficient that independent tests show that its up to 68 cheaper to run than conventional kettles it has 5 temperatures to choose from from 40