But if you re not going to be in your house for more than five years does it really matter.
Tankless water heater vs tank 2014.
While tankless water heaters run more efficiently than storage tank water heaters replacing a tank water heater with a tankless can be expensive and the payback time can be longer than the warranty.
According to energy research done by energy gov if you are using a 40 gallon tank of hot water or less your energy demand is typically less than 50 percent with a tankless water heater compared to a water heater tank.
Plus the larger electric tank will experience greater standby losses due to its greater surface area.
Most notably a 40 gallon propane storage tank water heater can deliver the same amount of hot water as a 50 gallon electric model.
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.
If you use less than 41 gallons of hot water per day a tankless heater is 24 34 more efficient than a tank style heater.
Water heaters with tanks.
There s one key reason for that.
One of the first things to consider is whether you should get a tank or tankless water heater.
You re not constantly heating a tank in anticipation of needing it you only use energy when you use hot water.
Department of energy tankless water heaters can be between 8 and 50 more energy efficient than tank style water heaters but the actual efficiency depends on the amount of hot water you use.
Propane storage tanks efficiency and smaller size can free up valuable space.
If a customer is looking to eliminate the footprint of a storage tank entirely a tankless water heater may be their best option.
Here s the biggest knock against the tankless water heater.
These live an average of 10.
The biggest pro of a tank water heater is the low cost.
Lifespan tank water heaters.
Tankless water heaters are as much as 34 more efficient thank tank models according to the energy department.
In general a tankless water heater will cost about 2 3 times more than a tank water heater of similar quality.
Tankless water heaters are more compact and can heat up water as you use it.
According to the u s.