A boiler is an enclosed unit in which water or other fluid is heated. Boilers are capable of heating lager complexes, pools, or other large areas that need hot water, making them generally larger and more complex than water heaters. Reliable Water Services provides water heater and boiler rental contracts servicing Southeastern Wisconsin, Indiana, and the greater midwest area. Posts under the “boiler” category discuss boiler and indirect water heating systems, give energy-efficient tips and money saving tips for using hot water systems, and more.