Running cost for the Waykar; KESNOS; YAUFEY; Fehom YDY-80
At 282 kWh/yr, the Waykar; KESNOS; YAUFEY; Fehom YDY-80's ENERGY STAR certification puts it one of the cheaper models in its category to run against every other certified dehumidifier.
That $53 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 25.4% less, ranking 157 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 $18/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 Waykar; KESNOS; YAUFEY; Fehom YDY-80: Waykar; KESNOS; YAUFEY; Fehom YDW-80 ($53/yr, 282 kWh/yr), then Waykar; KESNOS; YAUFEY; Fehom YDZ-80 ($53/yr, 282 kWh/yr).
Same brand, different models
Ranked 4 of Waykar; KESNOS; YAUFEY; Fehom's 16 certified dehumidifiers, this sits between the YDA-80 ($53/yr, the brand's cheapest) and the YDW-150PM ($98/yr, its priciest).
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, $53/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
The Waykar; KESNOS; YAUFEY; Fehom YDY-80 already costs $53/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
Where this number comes from
Ranked 157 of 546, the Waykar; KESNOS; YAUFEY; Fehom YDY-80 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. The 282 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.