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.
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.
Compare all
517 certified dehumidifiers →