Rinnai REHP50CW Running Cost (Electric Water Heater)
What the Rinnai REHP50CW costs to run
ENERGY STAR certifies the Rinnai REHP50CW at 861 kWh/yr, cheaper than most models in its category to run for its category.
The $162 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Rinnai REHP50CW against the category
That's 22.1% below the electric water heater category average of 1,105 kWh/yr, and ranks 100 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 $46/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
Rinnai REHP50W ($162/yr, 861 kWh/yr) costs a little more to run than the Rinnai REHP50CW. Midea US3-RSJ-15/190RDVN3-L4 ($162/yr, 861 kWh/yr) costs a little less.
Within the Rinnai lineup
Rinnai makes 15 ENERGY STAR certified electric water heaters; this one ranks 4 of 15 for running cost, between the brand's cheapest, the REHP50 at $159/yr, and its priciest, the REHP65C at $233/yr.
What this adds up to over time
11 years is NAHB's typical service life for this category; at $162/year, the Rinnai REHP50CW adds up to about $1,781 in electricity over that span.
Shopping for a new one
The Rinnai REHP50CW is already efficient for its category at $162/year. If you're shopping and comparing options, this is roughly what a well-chosen new electric water heater costs to run.
Compare current ENERGY STAR certified electric water heaters before buying.
Protecting what you have
At $162/year just to run, a electric water heater is worth protecting against an unplanned repair bill on top of that.
Sourcing
Nothing here is estimated from a nameplate wattage; the 861 kWh/yr is ENERGY STAR's own certified figure for this model. At rank 100 of 596 for running cost, see the electric water heater category page for the rest of the field, or the guide to how much your state matters.