It can be hard choosing a home water cooler machine, if its only for one or two people you need to get machine that does about 7 litres per hour. In fact this we would also recoment this type of machine to a small office of around 20 people. The 7 litre per hour machine is really a minimum specification and many people will buy a machine with a higher throughput, mostly because they have a brand in mind the look or size of the home water cooler machine fits with the home environment. An option that a lot of home users go for is the sparkling option. Some of the coolers will have this opten at checkout, and some of the home water machines will offer hot water for having a coffee.