Recently I am buying AO Smith geyser of 10 ltr capacity. It is enough storage capacity of our family. Let talk about its features, it has good auto cut option that save your electricity. It has 5 star rating of energy saving. Standing lit’s(kWh/24hr) is 0.395 that is very good. It has various colors like white, red, blue, next blue etc. Specially it has advance technology of blue diamond glass for protection from hard water and corrosion. And the best think about it’s warranty, upto 4years extended warranty. It takes 8min just for heating water. More over this is ISO 9001 quality assurance.