Ruud PROUH40 T2 RU350BM Running Cost (Electric Water Heater)
What the Ruud PROUH40 T2 RU350BM costs to run
At 879 kWh/yr, the Ruud PROUH40 T2 RU350BM's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified electric water heater.
That $165 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.
Efficient, or not, for a electric water heater
Against the category average of 1,105 kWh/yr, this model uses 20.5% less, ranking 124 of 596 electric water heaters tracked here for running cost. That average is drawn from all 596 electric water heaters ENERGY STAR currently certifies, not an outside number, a $42/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the Ruud PROUH40 T2 RU350BM: Ruud PRO H40 T2 RU310UM ($165/yr, 879 kWh/yr), then Ruud PROUH40 T2 RU350UM ($165/yr, 879 kWh/yr).
Comparing Ruud's own models
Ranked 18 of Ruud's 51 certified electric water heaters, this sits between the PROUH40 T2 CD400-15 ($121/yr, the brand's cheapest) and the PROUH80 T0 RU120-MSO ($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 Ruud PROUH40 T2 RU350BM that long and it costs about $1,818 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified electric water heaters go, $165/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
$165/year to run is the predictable cost of the Ruud PROUH40 T2 RU350BM; a protection plan covers the unpredictable one, a repair bill.
Where this number comes from
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 124 of 596, the Ruud PROUH40 T2 RU350BM 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.