Do Tankless Water Heaters Need Gas

Sometimes however even the largest gas fired model cannot supply enough hot water for simultaneous multiple uses in large households.

Do tankless water heaters need gas.

These units which heat water with thick copper rods are quieter and about a third smaller than gas or propane tankless heaters. Typically tankless water heaters provide hot water at a rate of 2 5 gallons 7 6 15 2 liters per minute. The best gas option in this case would probably be rinnai v series. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.

Since there s no tank that must be replenished you don t have to worry about running out of hot water. They are about a third of the size of a gas heater meaning that they are suitable even if you have limited space. Because the unit heats the water as it s needed instead of heating and storing it at a specific temperature it requires less energy. So regardless of the type of tankless water heater you have you ll be out of hot water in the event of a power outage.

Tankless electric water heaters are the smallest type of all water heaters. A tankless heater has a flow sensing device that is activated whenever a hot water tap is opened. Homes without a gas line or propane tank can also enjoy the advantages of on demand hot water by installing tankless units powered by electricity. It uses a heat exchanger a device that transfers heat from one place to another to transfer heat generated by the gas burner to the water flowing through your pipe.

Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. Thanks to the simplicity of the unit and no need for ventilation there are multiple options as to where you can install an electric heater. Tankless water heaters provide a continuous supply of hot water for you but special considerations apply to installations in moderate to cold climates. You need to know the specific setback for windows when you.

The heaters themselves need no protection. You ll need a tankless water heater that can provide a temperature rise of 50 f for about 6 gallons of water per minute. The answer is simple. Tankless water heaters can be powered by gas or electricity but even gas powered tankless water heaters rely on an electric control panel to operate the system.

A tankless gas water heater heats incoming water in the pipe as it is needed. The unit then heats the water using either a gas burner or an electric element and directs the water wherever it s needed in your home.