Running cost for the TCL W50D9P3-B
At 516 kWh/yr, the TCL W50D9P3-B's ENERGY STAR certification puts it one of the more expensive models in its category to run against every other certified dehumidifier.
That $97 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 36.5% above it, ranking 431 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 $26/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 TCL W50D9P3-B: TCL W50D9P3 ($97/yr, 516 kWh/yr), then Waykar CTH150A ($97/yr, 516 kWh/yr).
Comparing TCL's own models
Ranked 14 of TCL's 16 certified dehumidifiers, this sits between the T25DC9R ($53/yr, the brand's cheapest) and the T50DC9SPB ($100/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, $97/year is exactly the kind of number that makes a newer, more efficient model pay for itself faster.
Compare current ENERGY STAR certified dehumidifiers before buying.
If you're keeping it
$97/year to run is the predictable cost of the TCL W50D9P3-B; 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 516 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.