Ariston ARIHPWH-40 Running Cost (Electric Water Heater)
Running cost for the Ariston ARIHPWH-40
At 907 kWh/yr, the Ariston ARIHPWH-40's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified electric water heater.
That $171 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
How the Ariston ARIHPWH-40 compares to other electric water heaters
Against the category average of 1,105 kWh/yr, this model uses 17.9% less, ranking 178 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $37/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Ariston ARIHPWH-40 on that list: AMERICAN STANDARD WATER HEATERS ASHPWH-40 ($171/yr, 907 kWh/yr) runs slightly less, while A. O. Smith HPACO-45 1+AXST-50LBTTP 1 ($172/yr, 915 kWh/yr) runs slightly more.
Within the Ariston lineup
Ranked 3 of Ariston's 8 certified electric water heaters, this sits between the ARIHPWH-50-T ($159/yr, the brand's cheapest) and the ARIHPWH-65 ($242/yr, its priciest).
Cost over its typical lifespan
11 years is NAHB's typical service life for this category; at $171/year, the Ariston ARIHPWH-40 adds up to about $1,876 in electricity over that span.
Shopping for a new one
Efficient as certified electric water heaters go, $171/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
A electric water heater like the Ariston ARIHPWH-40 is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
How this was checked
Nothing here is estimated from a nameplate wattage; the 907 kWh/yr is ENERGY STAR's own certified figure for this model. The full Electric Water Heater category page shows all 596 electric water heaters ranked by cost; the state-rate guide covers the half of this number that isn't the appliance.