Let s think about three basic options to keep it simple.
Are new hot water heaters more efficient.
If you have done any online research you have probably come across the acronym naeca 3.
While new storage water heaters are more efficient they have had to grow in size.
Most new water heaters have an efficiency factor ef of 58 60.
When selecting a new water heater for your home choose a water heating system that will not only provide enough hot water but also that will do so energy efficiently saving you money.
Standard energy star and tankless.
Naeca or the national appliance energy conservation act regulates the energy consumption of certain major household appliances.
This includes considering the different types of water heaters available and determining the right size and fuel source for your home.
Another disadvantage is that electric tankless water heaters require a moderately high electric power draw creating higher electricity costs.
Disadvantages of tankless water heaters include the potential of not having enough hot water for families that take multiple showers and run hot water consuming appliances simultaneously.
You may have heard the debates regarding standard tank and tankless water heaters.
At best a standard electric water heater could have a theoretical energy efficiency of 100 all of the energy potential in the electricity converted to hot water.