Lochinvar CHPA-40 2**: running cost
At 902 kWh/yr, the Lochinvar CHPA-40 2**'s ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified electric water heater.
That $170 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 18.4% less, ranking 166 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 $38/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 Lochinvar CHPA-40 2**: American HPHE10250H045DVN 1** ($170/yr, 902 kWh/yr), then Lochinvar HPA052KD 1** ($170/yr, 902 kWh/yr).
Same brand, different models
Ranked 4 of Lochinvar's 26 certified electric water heaters, this sits between the HPSA050KD 2** ($156/yr, the brand's cheapest) and the HPV080KD 2** ($311/yr, its priciest).
Cost over its typical lifespan
11 years is NAHB's typical service life for this category; at $170/year, the Lochinvar CHPA-40 2** adds up to about $1,865 in electricity over that span.
Is it worth replacing?
Efficient as certified electric water heaters go, $170/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 Lochinvar CHPA-40 2** 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. Ranked 166 of 596, the Lochinvar CHPA-40 2** 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.