Waykar; KESNOS; YAUFEY; Fehom YDW-150: running cost
ENERGY STAR certifies the Waykar; KESNOS; YAUFEY; Fehom YDW-150 at 522 kWh/yr, one of the more expensive models in its category to run for its category.
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 460 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 YDW-150: Waykar; KESNOS; YAUFEY; Fehom YDG-150PM ($98/yr, 522 kWh/yr), then Waykar; KESNOS; YAUFEY; Fehom YDW-150PM ($98/yr, 522 kWh/yr).
Within the Waykar; KESNOS; YAUFEY; Fehom lineup
Ranked 15 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.
Weighing a replacement
Running above the category average, $98/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.
If you're keeping it
At $98/year just to run, a dehumidifier is worth protecting against an unplanned repair bill on top of that.
Where this number comes from
Ranked 460 of 546, the Waykar; KESNOS; YAUFEY; Fehom YDW-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. The 522 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.