Model
Dreo DR-HDH004S
Rank #242 means 241 of the 519 dehumidifier models we track cost less to run each year; the 54th efficiency percentile means it uses less energy for its size than 54% of those models.
What does the Dreo DR-HDH004S cost to run per year?
The Dreo DR-HDH004S costs about $62 a year to run, a fairly typical figure for the class; it ranks #242 of 519. Size-adjusted, this model sits close to the class median on efficiency, ahead of 54% of dehumidifier models we track. At a IEF of 2.01, its integrated energy factor is the single figure that best explains how it earns its running-cost number.
Immediately around it on the leaderboard, the Vellgoo TAURUS-RCS32(Y)-N4-3(B) at $62/yr runs a little cheaper and the Dreo Home DR-HDH004S at $62/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 Dreo DR-HDH004S's $62/yr adds up to roughly $496 in electricity alone, before purchase price or repairs.
Also sold as: Dreo Home DR-HDH004S.
By the numbers
The Dreo DR-HDH004S 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 $62/yr, here is what the Dreo DR-HDH004S adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Dreo DR-HDH004S costs about $620. That is roughly $20 less than the class median, which would run closer to $640 over the same ten years.
How the Dreo DR-HDH004S compares
The dehumidifier class we track runs from $19 to $521 a year. At $62/yr, it runs about $2 a year cheaper than the class median of $64, and it is about $43 a year more than the cheapest dehumidifier to run at $19.
What drives its running cost
At 31.71 pints/day, the Dreo DR-HDH004S is a mid-size dehumidifier for its class, which spans 1.91 to 172.13 pints/day with a median of 32.46 pints/day, putting it squarely in the middle of the class on the size lever that drives most of the cost. The IEF of 2.01 on this model, above the class median of 2.01, measures integrated energy factor; it is the number to compare directly against another model's IEF if capacity is similar.
- 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 Dreo DR-HDH004S cheap to run?
Roughly, yes. Its $62/yr figure is close to the class median, ranking #242 of 519, neither a bargain nor a splurge on running cost.
How much does the Dreo DR-HDH004S cost per month?
About $5.18 a month, which is the $62 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: 335 kWh from ENERGY STAR times the US average of $0.1856/kWh comes to about $62 a year. It covers electricity only, not the purchase price, water, or installation.
How efficient is the Dreo DR-HDH004S for its size?
54th percentile once size is factored in, a fairly typical result for the class.
Cheaper to run in the same class
Source
ES_1147142_DR-HDH004S_03142026133123_6009790View certified dehumidifier listingsENERGY STAR data as of July 2026Dreo and DR-HDH004S 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.