What the MegaLight PD-MPC720-WT costs to run
The MegaLight PD-MPC720-WT is certified by ENERGY STAR at 283 kWh a year, one of the cheaper models in its category to run among dehumidifiers currently certified.
That $53 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 MegaLight PD-MPC720-WT compares to other dehumidifiers
Against the category average of 378 kWh/yr, this model uses 25.1% less, ranking 174 of 546 dehumidifiers tracked here for running cost. 546 certified dehumidifiers, one average, about $18/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the MegaLight PD-MPC720-WT on that list: Frigidaire FHDD2234W1 ($53/yr, 283 kWh/yr) runs slightly less, while Midea MDUDA-25AEN8-BB0F ($53/yr, 283 kWh/yr) runs slightly more.
Comparing MegaLight's own models
Of the 2 ENERGY STAR certified dehumidifiers MegaLight makes, the PD-MPC720-WT is the cheapest to run, $36/year less than MegaLight's priciest, the PD-HPC750-WT.
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, $53/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
A dehumidifier like the MegaLight PD-MPC720-WT is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
How this was checked
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 174 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.