Dehumidifiers / South Carolina
Cost to run a dehumidifier in South Carolina
A typical ENERGY STAR dehumidifier costs about $52.60 a year to run in South Carolina, or $4.38 a month, at the state’s average residential price of 15.47 cents per kWh (July 2026).
- Typical yearly cost
- $52.60
- Over ten years
- $526 today’s price
- Price in South Carolina
- 15.47 ¢/kWh
“Typical” means the median annual energy use of 560 current ENERGY STAR certified dehumidifiers (340 kWh a year), multiplied by the price. It is a standardized figure, not a measurement of your home.
By type of dehumidifier
| Type | Models | Median kWh/yr | Cost per year | Per month | Range per year |
|---|---|---|---|---|---|
| Portable Dehumidifier | 539 | 315 | $48.73 | $4.06 | $16.24 to $137.06 |
| Whole-home Dehumidifier | 21 | 628 | $97.15 | $8.10 | $64.82 to $434.40 |
Costs use each type’s median listing; the range runs from its lowest to its highest listed energy use. Source: ENERGY STAR certified dehumidifiers dataset (EPA) and EIA residential prices.
How South Carolina compares
South Carolina’s average residential price is 4% below the median US state, ranking 32 of 51 from highest to lowest. The same typical dehumidifier would cost $43.25 a year in Louisiana, the cheapest state, and $163.20 in Hawaii, the most expensive. Over the last 12 months South Carolina’s price rose 5.2%.
Cost to run a dehumidifier in every state · South Carolina electricity price history · Replacing an old dehumidifier? Savings calculator
Lowest running cost by type
The published model with the lowest listed annual energy use in each type, with its cost at South Carolina’s price:
- KEGIAN KE-HY9DE003-W (portable dehumidifier): 105 kWh a year, about $16.24 in South Carolina
- Santa Fe 4047100 (whole-home dehumidifier): 419 kWh a year, about $64.82 in South Carolina
These are the lowest among the models published on this site, not among every certified model. Browse all dehumidifiers by energy use.
Questions
How much does it cost to run a dehumidifier in South Carolina?
A typical ENERGY STAR dehumidifier (the median of 560 current listings, 340 kWh a year) costs about $52.60 a year, or $4.38 a month, at South Carolina's average residential price of 15.47 cents per kWh. By type it ranges from $48.73 (portable dehumidifier) to $97.15 (whole-home dehumidifier).
Is electricity expensive in South Carolina?
South Carolina's average residential price is 15.47 cents per kWh (July 2026, EIA), 4% below the median state and 32 of 51 when states are ranked from highest to lowest price. The same typical dehumidifier would cost $43.25 a year in Louisiana, the cheapest state, and $163.20 in Hawaii.
Will my dehumidifier cost the same?
Probably not exactly. The annual figure is a standardized ENERGY STAR value, and your own price per kWh may differ from the statewide average. Enter your rate in the calculator on any dehumidifier page for a closer number.