Waykar; KESNOS; YAUFEY; Fehom YDG-150: running cost
At 522 kWh/yr, the Waykar; KESNOS; YAUFEY; Fehom YDG-150's ENERGY STAR certification puts it one of the more expensive models in its category to run against every other certified dehumidifier.
That $98 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
The category average is 378 kWh/yr; this model runs 38.1% above it, ranking 458 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 $27/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 YDG-150: Waykar; KESNOS; YAUFEY; Fehom YDA-150PM ($98/yr, 522 kWh/yr), then Waykar; KESNOS; YAUFEY; Fehom YDG-150PM ($98/yr, 522 kWh/yr).
Same brand, different models
Ranked 13 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.
Is it worth replacing?
The Waykar; KESNOS; YAUFEY; Fehom YDG-150 runs above its category average. If the dehumidifier you actually own is older still, likely well past ENERGY STAR's efficiency baseline when it was made, a current certified model could cost meaningfully less than this model's $98/year every year.
Compare current ENERGY STAR certified dehumidifiers before buying.
If you're keeping it
The Waykar; KESNOS; YAUFEY; Fehom YDG-150 already costs $98/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
Nothing here is estimated from a nameplate wattage; the 522 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 458 of 546, the Waykar; KESNOS; YAUFEY; Fehom YDG-150 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.