Model
Midea MDUDMB-50AEN8-BB0BF
Rank #389 means 388 of the 519 dehumidifier models we track cost less to run each year; the 78th efficiency percentile means it uses less energy for its size than 78% of those models.
What does the Midea MDUDMB-50AEN8-BB0BF cost to run per year?
At roughly $96 a year to run, ranking #389 of 519, the Midea MDUDMB-50AEN8-BB0BF costs more than the typical dehumidifier model we track. Size-adjusted, this model beats 78% of dehumidifier models we track on efficiency, better than most of its class. Its IEF of 2.01 reflects integrated energy factor, one of the class's core efficiency levers.
Immediately around it on the leaderboard, the Midea MAD50S1QWT-A at $96/yr runs a little cheaper and the Midea MDUDMB-50AEN8-BB0F at $96/yr runs a little more, a sense of how tightly models are packed at this point in the ranking. A dehumidifier typically stays in service for somewhere around 8 years; over that span, the Midea MDUDMB-50AEN8-BB0BF's $96/yr adds up to roughly $768 in electricity alone, before purchase price or repairs.
Also sold as: Midea MAD50PS1BQGR.
By the numbers
The Midea MDUDMB-50AEN8-BB0BF normalized against its whole class, so each figure means something.
What it costs you over time
Running cost is an every-year number, so it compounds. At $96/yr, here is what the Midea MDUDMB-50AEN8-BB0BF adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Midea MDUDMB-50AEN8-BB0BF costs about $960. That is roughly $320 more than the class median, which would run closer to $640 over the same ten years.
How the Midea MDUDMB-50AEN8-BB0BF compares
The dehumidifier class we track runs from $19 to $521 a year. At $96/yr, it runs about $32 a year above the class median of $64, and it is about $77 a year more than the cheapest dehumidifier to run at $19.
What drives its running cost
At 49.67 pints/day, the Midea MDUDMB-50AEN8-BB0BF is a large dehumidifier for its class, which spans 1.91 to 172.13 pints/day with a median of 32.46 pints/day, among dehumidifier models, bigger capacity is the most common reason a running-cost figure lands on the high side, all else being equal. Its IEF of 2.01, above the class median of 2.01, reflects integrated energy factor: a higher figure means it wrings more useful work out of every kilowatt-hour, so it is the efficiency lever to weigh against raw size.
- Integrated Energy Factor (IEF). IEF measures liters of water removed per kilowatt-hour; a higher IEF means less energy per pint of moisture removed for a given capacity.
- Water removal capacity (pints/day). A dehumidifier rated to remove more pints per day is built for a larger space or a more humid room, and generally draws more power to do it.
- Humidistat accuracy. A unit with a more precise humidistat cycles the compressor off once the target humidity is reached, rather than running continuously.
Common questions
Is the Midea MDUDMB-50AEN8-BB0BF cheap to run?
Its $96/yr running cost, rank #389 of 519, is above what most dehumidifier models we track cost to run, so this is not one of the cheaper picks on electricity alone.
How much does the Midea MDUDMB-50AEN8-BB0BF cost per month?
About $7.97 a month, which is the $96 annual estimate spread across twelve months at the US average rate of $0.1856/kWh. Your own bill scales with your local electricity rate and how heavily you use it.
How is this running-cost figure calculated?
The formula is annual kWh times price per kWh: 515 kWh from ENERGY STAR times the US average of $0.1856/kWh comes to about $96 a year. It covers electricity only, not the purchase price, water, or installation.
How efficient is the Midea MDUDMB-50AEN8-BB0BF for its size?
78th percentile once size is factored in. That means its size-adjusted efficiency is a real factor in the running-cost figure above; its capacity plays a large role too.
Cheaper to run in the same class
Source
ES_1138537_MDUDMB-50AEN8-BB0BF_062720250052504_9383903View certified dehumidifier listingsENERGY STAR data as of July 2026Midea and MDUDMB-50AEN8-BB0BF are used here for identification only and are not endorsements. Figures are computed by WattWise Labs from public ENERGY STAR data, not measured in our own lab.