Which Is More Efficient Gas Or Electric Hot Water Heater

A gas or electric water heater s energy factor ef is a measurement that compares the amount of hot water the heater produces per day to the amount of fuel it consumes.

Which is more efficient gas or electric hot water heater.

The bigger the ef number the more efficient the appliance. Electric water heaters are less expensive to purchase. Tank style water heaters electric gas or oil tankless on demand or instantaneous water heaters. Although it ultimately depends on the size quality and efficiency of your unit electric water heaters generally have lower upfront costs than gas heaters.

This is due to the way that the heaters operate. Most gas fired water heaters have an energy factor ef number set by the u s. 50 more efficient than gas electric water heaters. Indirect fired water heaters connected to a boiler.

They use less energy than standard models saving homeowners money on their utility bills while helping protect the climate. Electric water heaters are easier to install. For homes that use 41 gallons or less of hot water daily demand water heaters can be 24 34 more energy efficient than conventional storage tank water heaters. To heat water that is used for showers sinks dishwashers and washing machines.

You can achieve even greater energy savings of 27 50 if you install a demand water heater at each hot water outlet. A gas heater must vent the spent gas which also takes some of the heat with it. They can be 8 14 more energy efficient for homes that use a lot of hot water around 86 gallons per day. Energy star certified water heaters are an easy choice for energy savings performance and reliability.

We rated the annual energy consumption cost excellent for a gas. The higher the ef number. The most common types of domestic hot water heaters. Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type.

Natural gas water heaters typically use less energy and cost less to run by about half than electric water heaters although you should note that gas models cost more at the time of purchase. You ll find both gas and electric models. Standard gas water heaters have an ef of about 50 to 60. Can be used in any climate and the fuel sunshine is free and a renewable resource.

While gas hot water heaters cost less to run due to the lower cost of natural gas electric heaters are actually more efficient. All water heaters have one job.