We use hot water for a variety of tasks around the house, but we rarely think about where it comes from. If you’re a homeowner, you may be used to seeing storage tank water heaters, which use a large tank to heat water and store it so that it is available at any time. But tankless water heaters have grown in popularity over the years thanks to their ability to heat water quickly and efficiently. So how can a unit heat water instantly without the use of a tank?
A tankless water heater is a “green” alternative to storage tanks that can help you save money over the years and may last longer than conventional units. Curious about how they work? In order to understand tankless water heaters, let’s a take a look at how standard units heat and store hot water.