Running cost for the Waykar CTH120B
At 343 kWh/yr, the Waykar CTH120B's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified dehumidifier.
The $64 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Waykar CTH120B against the category
That's 9.3% below the dehumidifier category average of 378 kWh/yr, and ranks 285 of 546 certified dehumidifiers for annual running cost, 1 being cheapest. The category average comes from every dehumidifier ENERGY STAR currently certifies (546 models), not an outside benchmark, about $7/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
Waykar CTH120D ($64/yr, 343 kWh/yr) costs a little more to run than the Waykar CTH120B. Waykar CTH120A ($64/yr, 343 kWh/yr) costs a little less.
Same brand, different models
Waykar makes 39 ENERGY STAR certified dehumidifiers; this one ranks 20 of 39 for running cost, between the brand's cheapest, the CTH30A at $22/yr, and its priciest, the CTH150PB at $97/yr.
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
The Waykar CTH120B is already efficient for its category at $64/year. If you're shopping and comparing options, this is roughly what a well-chosen new dehumidifier costs to run.
Worth comparing a few current certified models before deciding.
Protecting what you have
$64/year to run is the predictable cost of the Waykar CTH120B; a protection plan covers the unpredictable one, a repair bill.
Sourcing
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 285 of 546 for running cost, see the dehumidifier category page for the rest of the field, or the guide to how much your state matters.