Direct Water Heater Definition

Two of the most common type of water heaters are atmospheric vent water heaters and power vent water heaters.

Direct water heater definition. Another type of water heater technology tankless water heaters as they are commonly known do the. Indirect water heaters aren t the only type of water heater designed to operate on demand. Sizing an indirect water heater. In industry hot water and water heated to steam have many uses.

These types of water heaters are traditionally the most energy efficient. A storage water heater or a hot water system hws is a domestic water heating appliance that uses a hot water storage tank to maximize heating capacity and provide instantaneous delivery of hot water. Continue reading to learn more. Direct vent water heater when using a direct vent water heater water is heated by the heat of fuel combustion.

They are more energy efficient than an indirect water heater because it heats the water itself. Typical domestic uses of hot water include cooking cleaning bathing and space heating. This difference in operation means that you can install a direct vent system almost anywhere but a power vented water heater must be placed in a room with adequate airflow. A direct vent system typically results in lower water heating costs because the exhaust gases are vented vertically with no extra power required as is the case with the power vent water heater.

Domestically water is traditionally heated in vessels known as water heaters kettles cauldrons pots or coppers. While atmospheric vent water heaters are simple and don t require electric power or moving parts power vent water heaters use a fan to push the excess gases through the venting pipes and outside. Conventional storage water heaters use a variety of fuels including natural gas propane fuel oil and electricity less conventional water heating technologies such as heat pump water. In order to size an indirect water heater it is important to determine the demand for hot water and how it changes by the hour.