Running cost for the LG DT251BWR0
At 307 kWh/yr, the LG DT251BWR0's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified dehumidifier.
That $58 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 dehumidifier
Against the category average of 378 kWh/yr, this model uses 18.8% less, ranking 253 of 546 dehumidifiers tracked here for running cost. That average is drawn from all 546 dehumidifiers ENERGY STAR currently certifies, not an outside number, a $13/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 LG DT251BWR0: GE ADSE25W**# ($57/yr, 305 kWh/yr), then Hisense ADH25K26 ($59/yr, 314 kWh/yr).
Within the LG lineup
Of the 3 ENERGY STAR certified dehumidifiers LG makes, the DT251BWR0 is the cheapest to run, $41/year less than LG's priciest, the DT501BKR0.
Lifespan
NAHB's Study of Life Expectancy of Home Components does not publish a figure for dehumidifiers, so no lifetime cost is shown here rather than a guessed one. The annual and monthly figures above stand on their own.
Shopping for a new one
Efficient as certified dehumidifiers go, $58/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified dehumidifiers before buying.
If you're keeping it
$58/year to run is the predictable cost of the LG DT251BWR0; 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 253 of 546, the LG DT251BWR0 sits in the middle of the dehumidifier category, see the guide to why your state changes this number for the other half of the math.