Data through April 2026
Running cost · Dehumidifiers · ENERGY STAR certified
Honeywell Home DHM120R4000/U
Under the DOE test basis, the Honeywell Home DHM120R4000/U draws 556 kWh — about $105 at the U.S. average rate, concentrated in the months you actually run it. It sits near the bottom of the certified table — using 62% more than the median dehumidifier (rank 461 of 481) — so the state you live in matters more than usual. Where you live moves the bill from $69 a year in North Dakota to $259 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$105/yr
- Per month
- $8.72
- Per day
- 29¢
- Certified use
- 556 kWh/yr
- Type
- Whole-home Dehumidifier
- Capacity
- 94.33 pints/day
- Efficiency (IEF)
- 2.22 L/kWh
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $97 | |
| Alaska | 27.4¢ | $152 | |
| Arizona | 15.5¢ | $86 | |
| Arkansas | 14.2¢ | $79 | |
| California | 35.3¢ | $196 | |
| Colorado | 16.5¢ | $92 | |
| Connecticut | 32.2¢ | $179 | |
| Delaware | 18.8¢ | $104 | |
| District of Columbia | 25.4¢ | $141 | |
| Florida | 15.4¢ | $86 | |
| Georgia | 15.4¢ | $85 | |
| Hawaiipriciest | 46.6¢ | $259 | |
| Idaho | 12.7¢ | $71 | |
| Illinois | 20.5¢ | $114 | |
| Indiana | 17.9¢ | $100 | |
| Iowa | 13.9¢ | $77 | |
| Kansas | 15.8¢ | $88 | |
| Kentucky | 15.0¢ | $84 | |
| Louisiana | 14.4¢ | $80 | |
| Maine | 28.4¢ | $158 | |
| Maryland | 22.1¢ | $123 | |
| Massachusetts | 29.4¢ | $164 | |
| Michigan | 21.4¢ | $119 | |
| Minnesota | 16.4¢ | $91 | |
| Mississippi | 16.8¢ | $93 | |
| Missouri | 14.0¢ | $78 | |
| Montana | 13.9¢ | $77 | |
| Nebraska | 13.3¢ | $74 | |
| Nevada | 14.3¢ | $79 | |
| New Hampshire | 27.2¢ | $151 | |
| New Jersey | 23.5¢ | $131 | |
| New Mexico | 15.2¢ | $84 | |
| New York | 29.4¢ | $164 | |
| North Carolina | 16.3¢ | $90 | |
| North Dakotacheapest | 12.3¢ | $69 | |
| Ohio | 19.5¢ | $108 | |
| Oklahoma | 13.3¢ | $74 | |
| Oregon | 15.8¢ | $88 | |
| Pennsylvania | 21.5¢ | $119 | |
| Rhode Island | 28.3¢ | $157 | |
| South Carolina | 17.1¢ | $95 | |
| South Dakota | 14.5¢ | $81 | |
| Tennessee | 14.9¢ | $83 | |
| Texas | 17.0¢ | $94 | |
| Utah | 13.3¢ | $74 | |
| Vermont | 24.6¢ | $137 | |
| Virginia | 17.4¢ | $97 | |
| Washington | 14.4¢ | $80 | |
| West Virginia | 16.1¢ | $89 | |
| Wisconsin | 19.2¢ | $107 | |
| Wyoming | 14.7¢ | $82 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Honeywell Home DHM090R4000 | 556 | $105 |
| Santa Fe 4047200most efficient | 565 | $106 |
| Airecoler Sailing P155 | 530 | $100 |
| Airecoler Sailing P155A | 530 | $100 |
| Airecoler Sailing S155 | 530 | $100 |
| Airecoler Sailing S155A | 530 | $100 |
Run your own numbers
Your rate, your numbers
- Per day
- 29¢
- Per month
- $8.72
- Per year
- $105
556 kWh/yr × 18.8¢/kWh = $105/yr
Prefilled with this model's certified 556 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE test basis for standardized annual runtime. Damp basements that run a unit year-round will exceed it; seasonal use will come in under.
Certified variants covered by this entry
DHM120R4000/U · DHM120R4000/U
Questions, answered with the data
- How much electricity does the Honeywell Home DHM120R4000/U use?
- ENERGY STAR certifies the Honeywell Home DHM120R4000/U at 556 kWh per year. The certified annual kWh comes from the DOE test basis for standardized annual runtime. Damp basements that run a unit year-round will exceed it; seasonal use will come in under.
- How much does the Honeywell Home DHM120R4000/U cost to run per month?
- About $8.72 a month at the U.S. average residential rate (18.8¢/kWh) — 29¢ a day, or $105 a year. Your state's rate moves this up or down; see the table above.
- Is the Honeywell Home DHM120R4000/U energy efficient?
- It uses 62% more electricity than the median certified dehumidifier, which puts it among the least efficient certified models.
- What does the Honeywell Home DHM120R4000/U cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $69 a year in North Dakota (12.3¢/kWh) and $259 in Hawaii (46.6¢/kWh).
- Does this figure cover other model numbers?
- Yes — 2 certified retail variants (color, finish, and store-specific SKUs) share this exact energy certification. They're listed under "Certified variants" on this page.