Rinnai REHP80CW Running Cost (Electric Water Heater)
Running cost for the Rinnai REHP80CW
ENERGY STAR certifies the Rinnai REHP80CW at 1,230 kWh/yr, more expensive than most models in its category to run for its category.
That $231 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 Rinnai REHP80CW compares to other electric water heaters
The category average is 1,105 kWh/yr; this model runs 11.3% above it, ranking 358 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $24/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Rinnai REHP80CW on that list: Midea US3-RSJ-15/300RDVN3-L4 ($231/yr, 1,230 kWh/yr) runs slightly less, while Rinnai REHP80W ($231/yr, 1,230 kWh/yr) runs slightly more.
Comparing Rinnai's own models
Ranked 9 of Rinnai's 15 certified electric water heaters, this sits between the REHP50 ($159/yr, the brand's cheapest) and the REHP65C ($233/yr, its priciest).
Rinnai REHP80CW over 11 years
Over the 11-year service life NAHB reports for this category, running the Rinnai REHP80CW costs roughly $2,544 in electricity, separate from the purchase price.
Is it worth replacing?
At $231/year, this is on the expensive side for a electric water heater; the cheapest certified model in this category runs about $121/year, worth knowing before buying either the Rinnai REHP80CW or its replacement.
Worth comparing a few current certified models before deciding.
If you're keeping it
$231/year to run is the predictable cost of the Rinnai REHP80CW; a protection plan covers the unpredictable one, a repair bill.
How this was checked
Nothing here is estimated from a nameplate wattage; the 1,230 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 358 of 596, the Rinnai REHP80CW 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.