How much does it cost to run a dehumidifier?
The same dehumidifier costs $138 a year in Hawaii (40.59 ¢ per kWh) and $40 in North Dakota (11.81 ¢), a gap of $98 or 3.4 times. Model range at 17.30 ¢: $31.31 to $91.00 a year (559 listed).
Map
- $40.15 to $44.81
- $44.81 to $50.86
- $50.86 to $55.18
- $55.18 to $77.93
- $77.93 to $138
Darker = costlier to run dehumidifier. Click a state for its hub.
Your numbers
All 51 states
| 1 | Hawaii | 40.59 | $138.01 | $73.47 | $213.50 | $11.50 | 214 |
|---|---|---|---|---|---|---|---|
| 2 | California | 32.54 | $110.64 | $58.90 | $171.16 | $9.22 | 61 |
| 3 | Massachusetts | 30.48 | $103.63 | $55.17 | $160.32 | $8.64 | 127 |
| 4 | Rhode Island | 29.46 | $100.16 | $53.32 | $154.96 | $8.35 | 129 |
| 5 | Connecticut | 29.38 | $99.89 | $53.18 | $154.54 | $8.32 | 83 |
| 6 | Maine | 27.78 | $94.45 | $50.28 | $146.12 | $7.87 | 48 |
| 7 | New York | 26.39 | $89.73 | $47.77 | $138.81 | $7.48 | 72 |
| 8 | Alaska | 26.09 | $88.71 | $47.22 | $137.23 | $7.39 | 125 |
| 9 | New Hampshire | 24.56 | $83.50 | $44.45 | $129.19 | $6.96 | 42 |
| 10 | Vermont | 22.92 | $77.93 | $41.49 | $120.56 | $6.49 | 7 |
| 11 | New Jersey | 22.63 | $76.94 | $40.96 | $119.03 | $6.41 | 72 |
| 12 | District of Columbia | 21.94 | $74.60 | $39.71 | $115.40 | $6.22 | 61 |
| 13 | Michigan | 20.01 | $68.03 | $36.22 | $105.25 | $5.67 | 122 |
| 14 | Maryland | 19.48 | $66.23 | $35.26 | $102.46 | $5.52 | 80 |
| 15 | Pennsylvania | 19.30 | $65.62 | $34.93 | $101.52 | $5.47 | 100 |
| 16 | Wisconsin | 18.16 | $61.74 | $32.87 | $95.52 | $5.15 | 178 |
| 17 | Illinois | 17.69 | $60.15 | $32.02 | $93.05 | $5.01 | 73 |
| 18 | Delaware | 17.13 | $58.24 | $31.01 | $90.10 | $4.85 | 108 |
| 19 | Ohio | 16.96 | $57.66 | $30.70 | $89.21 | $4.81 | 164 |
| 20 | Indiana | 16.23 | $55.18 | $29.38 | $85.37 | $4.60 | 225 |
| 21 | Alabama | 16.10 | $54.74 | $29.14 | $84.69 | $4.56 | 110 |
| 22 | Colorado | 15.85 | $53.89 | $28.69 | $83.37 | $4.49 | 167 |
| 23 | Minnesota | 15.82 | $53.79 | $28.63 | $83.21 | $4.48 | 115 |
| 24 | Texas | 15.47 | $52.60 | $28.00 | $81.37 | $4.38 | 118 |
| 25 | West Virginia | 15.41 | $52.39 | $27.89 | $81.06 | $4.37 | 301 |
| 26 | Oregon | 15.37 | $52.26 | $27.82 | $80.85 | $4.35 | 56 |
| 27 | Arizona | 15.32 | $52.09 | $27.73 | $80.58 | $4.34 | 106 |
| 28 | Virginia | 15.28 | $51.95 | $27.66 | $80.37 | $4.33 | 83 |
| 29 | Florida | 15.24 | $51.82 | $27.58 | $80.16 | $4.32 | 121 |
| 30 | New Mexico | 15.08 | $51.27 | $27.29 | $79.32 | $4.27 | 119 |
| 31 | South Carolina | 14.96 | $50.86 | $27.08 | $78.69 | $4.24 | 86 |
| 32 | Georgia | 14.73 | $50.08 | $26.66 | $77.48 | $4.17 | 110 |
| 33 | Kansas | 14.56 | $49.50 | $26.35 | $76.59 | $4.13 | 112 |
| 34 | Mississippi | 14.03 | $47.70 | $25.39 | $73.80 | $3.98 | 127 |
| 35 | North Carolina | 14.02 | $47.67 | $25.38 | $73.75 | $3.97 | 96 |
| 36 | Iowa | 13.72 | $46.65 | $24.83 | $72.17 | $3.89 | 97 |
| 37 | Missouri | 13.49 | $45.87 | $24.42 | $70.96 | $3.82 | 223 |
| 38 | South Dakota | 13.38 | $45.49 | $24.22 | $70.38 | $3.79 | 52 |
| 39 | Wyoming | 13.38 | $45.49 | $24.22 | $70.38 | $3.79 | 281 |
| 40 | Kentucky | 13.24 | $45.02 | $23.96 | $69.64 | $3.75 | 268 |
| 41 | Tennessee | 13.18 | $44.81 | $23.86 | $69.33 | $3.73 | 101 |
| 42 | Nevada | 13.15 | $44.71 | $23.80 | $69.17 | $3.73 | 99 |
| 43 | Oklahoma | 13.12 | $44.61 | $23.75 | $69.01 | $3.72 | 100 |
| 44 | Washington | 13.11 | $44.57 | $23.73 | $68.96 | $3.71 | 41 |
| 45 | Utah | 13.07 | $44.44 | $23.66 | $68.75 | $3.70 | 218 |
| 46 | Montana | 12.98 | $44.13 | $23.49 | $68.27 | $3.68 | 163 |
| 47 | Arkansas | 12.84 | $43.66 | $23.24 | $67.54 | $3.64 | 153 |
| 48 | Louisiana | 12.57 | $42.74 | $22.75 | $66.12 | $3.56 | 117 |
| 49 | Nebraska | 12.34 | $41.96 | $22.34 | $64.91 | $3.50 | 157 |
| 50 | Idaho | 11.82 | $40.19 | $21.39 | $62.17 | $3.35 | 48 |
| 51 | North Dakota | 11.81 | $40.15 | $21.38 | $62.12 | $3.35 | 199 |
340 kWh a year times each state's 2025 home price (559 models, ENERGY STAR data as of 2 Oct 2026).
CSVPay less
- Model spread: 10th percentile 181 kWh, 90th 526; the 345 kWh gap is $59.69 a year at 17.30 ¢ and $140.04 at 40.59 ¢ (Hawaii).
- 129 models meet the Most Efficient 2025 criteria: median 257 kWh against 340, $14.36 a year at 17.30 ¢.
- Location: 3.4 times between Hawaii ($138.01) and North Dakota ($40.15); 100% of utilities in Hawaii list a time-of-use rate (EIA-861).
Where the kWh comes from
Annual energy on the ENERGY STAR listing. Median 340 kWh, 10th to 90th percentile 181 to 526, range 105 to 2,808, 559 models. Certified models only. Method: appliance hub.
Sources
| Source | Retrieved |
|---|---|
| ENERGY STAR Certified products | 2 Oct 2026 |
| EIA retail sales | 1 Oct 2026 |
| EPA eGRID2023 | 2 Oct 2026 |
| DOE formula | 2 Oct 2026 |
More
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Questions
Cost to run a dehumidifier for a year?
$58.82 at 17.30 ¢ and 340 kWh; $40.15 in North Dakota to $138.01 in Hawaii.
Most expensive state for a dehumidifier?
Hawaii: $138.01 at 40.59 ¢.
Cheapest state for a dehumidifier?
North Dakota: $40.15 at 11.81 ¢.
kWh used by a dehumidifier?
Median 340; 10th to 90th percentile 181 to 526; 559 models.
Does the model matter for a dehumidifier?
Yes: 90th against 10th percentile is $59.69 a year at the U.S. price.
CO2 from a dehumidifier?
118 kg a year at 0.348 kg per kWh (U.S.).
Why would my dehumidifier bill differ?
Median 340 kWh is for new certified models; 17.30 ¢ is an average.
Fixed charges in the dehumidifier cost?
Not included.