What are those water tank things called?

Question

They have them at places where you get your hair done and offices and places like that and it has a hot and a cold thing and someone comes and brings the tanks like once a week or whenever. I don't think I explained it that well. My family is thinking about moving into an area where they have well water not city water so we will need to get one. Anyone knows what they are called

Answer 1

Water Cooler. The water bottles are inverted and are fed by gravity the the hot or cold nozzle is opened.

Answer 2

Water cooler?  Bottles on the top upside down, then hot water and cold water on demand from the base unit.  Is this what you are talking about?