Almost every home is going to need some type of water heater in order to have hot water within the house. It is generally necessary to find local water heaters, in the area you live, for installation within your home. To do so it is beneficial to hire a local contractor to handle the installation process. Choosing what type of water heater you would like to use, within your home, can be a difficult choice. This is because there are several different types of water heaters, and to learn more about what each type offers, its helpful to examine them in further detail. The conventional storage water heater is built to provide a reservoir of hot water that is ready to use. They can hold anywhere from 20 gallons, all the way up to 80 gallons of hot water. When hot water gets used anywhere within your home, the supply diminishes and is filled up again with cold water. This is why you can run out of hot water when several people take long hot showers. Another type is the tankless water heater. These work quite a bit differently than the conventional water heater does. They do not have any type of reservoir that stores hot water. These provide hot water on-demand, rather than using energy to heat water that is stored. This takes cold water that travels through a pipe that is then heated by an electric element or a gas burner. This type of water heater is known for saving energy and reducing utility bills.