What Is A Water Heater Measured In?

To answer the question, “what is a water heater measured in”? it is necessary to know the different types of water heaters available. They are – electric, gas, tank less, and disc type. There are some advantages and disadvantages of each one of them. For example, an electric heater is much cheaper than gas or tank less ones. However, it requires frequent servicing and is much less efficient as it only heats up water slightly and not effectively heats the entire house.