Stiebel Eltron Vs "Conventional" Storage Tank Water Heaters
This data is based on a family of four.
To see data based on a family of two, click here.
The following comparison is based on a family of 4.
Assuming 4 daily showers, 2 hand washing applications per person, 1 hand dishwashing based on filling the sink and 4 bathroom sink usages per day. Total of 93 gallons of hot water used per day.
*These Energy Factors are present in new appliances, a conventional electric tank will perform at 80% efficiency after the first year and degrade slowly thereafter. The Stiebel Eltron Tankless Water Heater is rated an incredible 99%+ efficient for the lifetime of the heater!
**ADD $150-$200 /year if you rent your tank.
$0.0719 per kWh for electricity is the SW Ontario average electricity supply rate.These comparisons are based on the U.S. Department of Energy Hot Water Usage Guidelines as reported on the Energy Efficiency and Renewable Energy Clearing-House.
Energy Factor and Average Annual Operating Costs based on D.O.E. (Department of Energy) test procedures.