Which Is More Efficient Gas Or Electric Hot Water Heater

Most gas fired water heaters have an energy factor ef number set by the u s.

Which is more efficient gas or electric hot water heater.

50 more efficient than gas electric water heaters. Water heaters are the second highest source of energy usage in the home. Department of energy to help consumers compare the efficiency of similar appliances. You can achieve even greater energy savings of 27 50 if you install a demand water heater at each hot water outlet.

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. Tank style water heaters electric gas or oil tankless on demand or instantaneous water heaters. A gas heater must vent the spent gas which also takes some of the heat with it. While gas hot water heaters cost less to run due to the lower cost of natural gas electric heaters are actually more efficient.

The higher the ef number. Standard gas water heaters have an ef of about 50 to 60. Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. This is due to the way that the heaters operate.

Energy star certified water heaters are an easy choice for energy savings performance and reliability. Indirect fired water heaters connected to a boiler. To heat water that is used for showers sinks dishwashers and washing machines. 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.

The bigger the ef number the more efficient the appliance. The most common types of domestic hot water heaters. 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. On the other hand.

Electric water heaters are easier to install. Can be used in any climate and the fuel sunshine is free and a renewable resource. All water heaters have one job. We rated the annual energy consumption cost excellent for a gas.

They can be 8 14 more energy efficient for homes that use a lot of hot water around 86 gallons per day. They use less energy than standard models saving homeowners money on their utility bills while helping protect the climate.