Aprilaire E100 Electricity Cost
Whole-home Dehumidifier · 85 pints/day
Estimated electricity cost, national average rate
ENERGY STAR certifiedENERGY STAR Most Efficient
$151 per year
about $12.55 per month · at the US average
residential rate of 18.34¢/kWh (June 2026, EIA)
The math
821 kWh/year × 18.34¢ per kWh = $150.57 per year
Uses the standardized annual kWh figure every certified model reports to EPA — so any two pages on this site compare fairly. Run it harder or in a damper room and your number rises; how we compute this.
Quick facts
- Rated annual energy use: 821 kWh/year (ENERGY STAR test basis).
- That is $88/year more than the median ENERGY STAR certified dehumidifier ($62/year).
- Removes 85 pints of water per day (federal Appendix X1 test).
- Efficiency: 2.35 liters per kWh (integrated energy factor) — higher is better.
- Meets ENERGY STAR Most Efficient criteria for 2026.
What it costs in every state
Same appliance, different rates — June 2026 residential average per EIA.
| State | Rate (¢/kWh) | Cost / year | Cost / month |
|---|---|---|---|
| Alabama | 16.40¢ | $135 | $11.22 |
| Alaska | 28.21¢ | $232 | $19.30 |
| Arizona | 15.18¢ | $125 | $10.39 |
| Arkansas | 14.12¢ | $116 | $9.66 |
| California | 34.74¢ | $285 | $23.77 |
| Colorado | 17.13¢ | $141 | $11.72 |
| Connecticut | 24.32¢ | $200 | $16.64 |
| Delaware | 19.29¢ | $158 | $13.20 |
| District of Columbia | 24.39¢ | $200 | $16.69 |
| Florida | 15.10¢ | $124 | $10.33 |
| Georgia | 16.36¢ | $134 | $11.19 |
| Hawaii | 52.72¢ | $433 | $36.07 |
| Idaho | 14.37¢ | $118 | $9.83 |
| Illinois | 19.89¢ | $163 | $13.61 |
| Indiana | 17.51¢ | $144 | $11.98 |
| Iowa | 15.93¢ | $131 | $10.90 |
| Kansas | 15.71¢ | $129 | $10.75 |
| Kentucky | 14.26¢ | $117 | $9.76 |
| Louisiana | 13.49¢ | $111 | $9.23 |
| Maine | 29.59¢ | $243 | $20.24 |
| Maryland | 21.84¢ | $179 | $14.94 |
| Massachusetts | 29.61¢ | $243 | $20.26 |
| Michigan | 22.99¢ | $189 | $15.73 |
| Minnesota | 17.52¢ | $144 | $11.99 |
| Mississippi | 14.88¢ | $122 | $10.18 |
| Missouri | 16.22¢ | $133 | $11.10 |
| Montana | 15.14¢ | $124 | $10.36 |
| Nebraska | 13.25¢ | $109 | $9.07 |
| Nevada | 13.11¢ | $108 | $8.97 |
| New Hampshire | 27.01¢ | $222 | $18.48 |
| New Jersey | 24.95¢ | $205 | $17.07 |
| New Mexico | 15.06¢ | $124 | $10.30 |
| New York | 29.49¢ | $242 | $20.18 |
| North Carolina | 14.74¢ | $121 | $10.08 |
| North Dakota | 14.12¢ | $116 | $9.66 |
| Ohio | 19.19¢ | $158 | $13.13 |
| Oklahoma | 14.33¢ | $118 | $9.80 |
| Oregon | 16.32¢ | $134 | $11.17 |
| Pennsylvania | 21.73¢ | $178 | $14.87 |
| Rhode Island | 29.23¢ | $240 | $20.00 |
| South Carolina | 15.55¢ | $128 | $10.64 |
| South Dakota | 15.36¢ | $126 | $10.51 |
| Tennessee | 14.07¢ | $116 | $9.63 |
| Texas | 15.94¢ | $131 | $10.91 |
| Utah | 13.37¢ | $110 | $9.15 |
| Vermont | 24.44¢ | $201 | $16.72 |
| Virginia | 17.22¢ | $141 | $11.78 |
| Washington | 14.91¢ | $122 | $10.20 |
| West Virginia | 15.45¢ | $127 | $10.57 |
| Wisconsin | 19.56¢ | $161 | $13.38 |
| Wyoming | 15.24¢ | $125 | $10.43 |
Specifications
| Brand | Aprilaire |
|---|---|
| Model number | E100 |
| Type | Whole-home Dehumidifier |
| Capacity | 85 pints/day |
| Annual energy use | 821 kWh/year |
| Integrated energy factor | 2.35 L/kWh |
| Refrigerant | R32 |
| Smart / connected | No |
| ENERGY STAR certified | 2025-09-23 |
| UPC | 686720006500 |
Find this model
Aprilaire E100 — check current prices at your usual retailer; this page only covers what it costs to RUN.