Ariston ARIHPWH-50 Running Cost (Electric Water Heater)
What the Ariston ARIHPWH-50 costs to run
The Ariston ARIHPWH-50 is certified by ENERGY STAR at 867 kWh a year, cheaper than most models in its category to run among electric water heaters currently certified.
The $163 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Ariston ARIHPWH-50 against the category
That's 21.5% below the electric water heater category average of 1,105 kWh/yr, and ranks 105 of 596 certified electric water heaters for annual running cost, 1 being cheapest. The category average comes from every electric water heater ENERGY STAR currently certifies (596 models), not an outside benchmark, about $45/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
SANCO2 GS5-45HPC HP + ECO-43SSAQB ($163/yr, 868 kWh/yr) costs a little more to run than the Ariston ARIHPWH-50. AMERICAN STANDARD WATER HEATERS ASHPWH-50 ($163/yr, 867 kWh/yr) costs a little less.
Comparing Ariston's own models
Ariston makes 8 ENERGY STAR certified electric water heaters; this one ranks 2 of 8 for running cost, between the brand's cheapest, the ARIHPWH-50-T at $159/yr, and its priciest, the ARIHPWH-65 at $242/yr.
What this adds up to over time
Over the 11-year service life NAHB reports for this category, running the Ariston ARIHPWH-50 costs roughly $1,793 in electricity, separate from the purchase price.
Is it worth replacing?
The Ariston ARIHPWH-50 is already efficient for its category at $163/year. If you're shopping and comparing options, this is roughly what a well-chosen new electric water heater costs to run.
See what else is certified in this category before you decide.
Protecting what you have
$163/year to run is the predictable cost of the Ariston ARIHPWH-50; a protection plan covers the unpredictable one, a repair bill.
Sourcing
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 105 of 596, the Ariston ARIHPWH-50 sits in the middle of the electric water heater category, see the guide to why your state changes this number for the other half of the math.