The best type of water cooler for the office depends on the frequency of use, mainly. Whilst there are many factors to consider when it comes to choosing the best water cooler for your office. How many people will be using it, and how much water they will be drinking should be your biggest deciding factor when it comes to choosing the right water cooler for you. Bottled water coolers are a great solution for small offices that don’t have many team members. Whereas, a plumbed in water cooler is going to offer a constant supply of fresh drinking water so is a more suitable option for those with a larger number of office workers.