Running cost for the A. O. Smith CAHP-80 2**
ENERGY STAR certifies the A. O. Smith CAHP-80 2** at 1,279 kWh/yr, more expensive than most models in its category to run for its category.
The $240 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
A. O. Smith CAHP-80 2** against the category
That's 15.7% above the electric water heater category average of 1,105 kWh/yr, and ranks 427 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 $33/year above that average at the national rate. See the methodology page.
What sits beside it in the ranking
A. O. Smith HPA10-80H45DV 2** ($240/yr, 1,279 kWh/yr) costs a little more to run than the A. O. Smith CAHP-80 2**. VAUGHN THERMAL MP80F-RC ($239/yr, 1,273 kWh/yr) costs a little less.
Comparing A. O. Smith's own models
A. O. Smith makes 61 ENERGY STAR certified electric water heaters; this one ranks 29 of 61 for running cost, between the brand's cheapest, the HPS10-50H45DV 2** at $156/yr, and its priciest, the HPV10-80H01DV 2** at $311/yr.
A. O. Smith CAHP-80 2** over 11 years
11 years is NAHB's typical service life for this category; at $240/year, the A. O. Smith CAHP-80 2** adds up to about $2,645 in electricity over that span.
Weighing a replacement
Running above the category average, $240/year is exactly the kind of number that makes a newer, more efficient model pay for itself faster.
Worth comparing a few current certified models before deciding.
Protecting what you have
A electric water heater like the A. O. Smith CAHP-80 2** is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Sourcing
Nothing here is estimated from a nameplate wattage; the 1,279 kWh/yr is ENERGY STAR's own certified figure for this model. At rank 427 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.