Water Dispensers are great for home. Winter time of Summer time. Most of the water coolers have the feature to provide you with ether hot or cold water. If you chose to have a hot water the water dispenser will provide you with it same instance. Some of them made out plastic, some of them made out of stainless steel. The plastic once are going to be cheaper, but you have to think about what's going to serve you longer. Many of them have the features like night light. When you wake up in the middle of the night and don't want to turn the lights on, you can see which button to press. Some of the have digital clock. Piano key push buttons. Some of them even have a storage for like a 6 pack of cans. It's like a very little mini fridge.
Water Dispensers that have more gadgets are more expensive than the basic models. So it's up to you to choose.