Rheem CPRO H65 T2 RH310BM: running cost
At 900 kWh/yr, the Rheem CPRO H65 T2 RH310BM's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified electric water heater.
That $169 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 Rheem CPRO H65 T2 RH310BM compares to other electric water heaters
Against the category average of 1,105 kWh/yr, this model uses 18.6% less, ranking 143 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $39/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Rheem CPRO H65 T2 RH310BM on that list: Friedrich PROH65 T2 FD350UM ($169/yr, 900 kWh/yr) runs slightly less, while Rheem CPROPH65 T2 RH350BM ($169/yr, 900 kWh/yr) runs slightly more.
Comparing Rheem's own models
Ranked 28 of Rheem's 77 certified electric water heaters, this sits between the PROPH40 T0 RH120-M ($147/yr, the brand's cheapest) and the XE80T10HMS00U0 ($264/yr, its priciest).
What this adds up to over time
NAHB's Study of Life Expectancy of Home Components puts a typical electric water heater's service life at 11 years; run the Rheem CPRO H65 T2 RH310BM that long and it costs about $1,861 in electricity, on top of whatever it cost to buy.
Shopping for a new one
Efficient as certified electric water heaters go, $169/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified electric water heaters before buying.
If you're keeping it
At $169/year just to run, a electric water heater is worth protecting against an unplanned repair bill on top of that.
How this was checked
Ranked 143 of 596, the Rheem CPRO H65 T2 RH310BM 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. The 900 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.