Ruud PROUH50 T2 RU350UM Running Cost (Electric Water Heater)
Ruud PROUH50 T2 RU350UM: running cost
The Ruud PROUH50 T2 RU350UM is certified by ENERGY STAR at 915 kWh a year, cheaper than most models in its category to run among electric water heaters currently certified.
That $172 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 17.2% less, ranking 203 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 $36/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 PROUH50 T2 RU350UM: Ruud PROUH50 T2 RU350BM ($172/yr, 915 kWh/yr), then State SHPCO-45 1+SXST-50LBG 1 ($172/yr, 915 kWh/yr).
Within the Ruud lineup
Ranked 28 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 PROUH50 T2 RU350UM that long and it costs about $1,892 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified electric water heaters go, $172/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
Whether or not the Ruud PROUH50 T2 RU350UM ever needs replacing, a repair is the more common failure for a electric water heater, one a protection plan budgets for ahead of time.
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. At rank 203 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.