Noritz NHP50 Running Cost (Electric Water Heater)
What the Noritz NHP50 costs to run
At 938 kWh/yr, the Noritz NHP50's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified electric water heater.
The $176 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Noritz NHP50 against the category
That's 15.1% below the electric water heater category average of 1,105 kWh/yr, and ranks 250 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 $31/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
VAUGHN THERMAL ME50HPT ($176/yr, 938 kWh/yr) costs a little more to run than the Noritz NHP50. Hubbell ME50HPT ($176/yr, 938 kWh/yr) costs a little less.
Comparing Noritz's own models
Noritz sells 4 certified electric water heaters; this one runs cheapest of them, $99/year under the NHP120, its priciest.
Noritz NHP50 over 11 years
NAHB's Study of Life Expectancy of Home Components puts a typical electric water heater's service life at 11 years; run the Noritz NHP50 that long and it costs about $1,940 in electricity, on top of whatever it cost to buy.
Shopping for a new one
The Noritz NHP50 is already efficient for its category at $176/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
Whether or not the Noritz NHP50 ever needs replacing, a repair is the more common failure for a electric water heater, one a protection plan budgets for ahead of time.
Sourcing
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 250 of 596, the Noritz NHP50 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.