Whirlpool WHAD321AW: running cost
At 343 kWh/yr, the Whirlpool WHAD321AW's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified dehumidifier.
That $64 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.
How the Whirlpool WHAD321AW compares to other dehumidifiers
Against the category average of 378 kWh/yr, this model uses 9.3% less, ranking 287 of 546 dehumidifiers tracked here for running cost. 546 certified dehumidifiers, one average, about $7/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Whirlpool WHAD321AW on that list: Waykar CTH120D ($64/yr, 343 kWh/yr) runs slightly less, while GE ADSE35W**# ($67/yr, 355 kWh/yr) runs slightly more.
Comparing Whirlpool's own models
Ranked 2 of Whirlpool's 4 certified dehumidifiers, this sits between the WHAD251AW ($53/yr, the brand's cheapest) and the WHHD501PAW ($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.
Shopping for a new one
Efficient as certified dehumidifiers go, $64/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
$64/year to run is the predictable cost of the Whirlpool WHAD321AW; a protection plan covers the unpredictable one, a repair bill.
How this was checked
Ranked 287 of 546, the Whirlpool WHAD321AW 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 343 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.