What the Waykar CTH80B costs to run
At 291 kWh/yr, the Waykar CTH80B's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified dehumidifier.
That $55 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 23% less, ranking 240 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 $16/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 CTH80B: Waykar CTH80A ($55/yr, 291 kWh/yr), then DREAME CVF39A ($55/yr, 295 kWh/yr).
Within the Waykar lineup
Ranked 17 of Waykar's 39 certified dehumidifiers, this sits between the CTH30A ($22/yr, the brand's cheapest) and the CTH150PB ($97/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
Efficient as certified dehumidifiers go, $55/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
$55/year to run is the predictable cost of the Waykar CTH80B; a protection plan covers the unpredictable one, a repair bill.
Where this number comes from
The full Dehumidifier category page shows all 546 dehumidifiers ranked by cost; the state-rate guide covers the half of this number that isn't the appliance. The 291 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.