Data through April 2026
Cost to run · Washington · 14.4¢/kWh residential average
How much does it cost to run a dehumidifier in Washington?
$49/yr · median certified model
Washington's 14.4¢/kWh rate undercuts the national average by 24%, so the typical certified dehumidifier costs roughly $49 a year here instead of $65.
In the national ranking, Washington lands at 11 of 51 for what a dehumidifier costs to run. Model choice matters as much as geography: at Washington rates the most efficient certified model (CONCETTA AS-CSJ72XK-2WT-OL) costs $15 a year while the most power-hungry (Healthy Climate HCWHD#-130) costs $403 — a spread of $388 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median dehumidifier would cost $42 and $160 a year there.
The cheapest dehumidifiers to run at Washington rates
| # | Model | kWh/yr | $/yr in WA |
|---|---|---|---|
| 1 | CONCETTA AS-CSJ72XK-2WT-OLmost efficient | 105 | $15 |
| 2 | Dr. Prepare DDH12LAmost efficient | 105 | $15 |
| 3 | DUMOS AS-CSJ72XK-2WT-OLmost efficient | 105 | $15 |
| 4 | edx AS-CSJ72XK-2WT-OLmost efficient | 105 | $15 |
| 5 | Gianna AS-CSJ72XK-2WT-OLmost efficient | 105 | $15 |
| 6 | IULULU AS-CSJ72XK-2WT-OLmost efficient | 105 | $15 |
| 7 | JIOABL AS-CSJ72XK-2WT-OLmost efficient | 105 | $15 |
| 8 | KMFurnila AS-CSJ72XK-2WT-OLmost efficient | 105 | $15 |
| 9 | NEWBULIG AS-CSJ72XK-2WT-OLmost efficient | 105 | $15 |
| 10 | OLIXIS AS-CSJ72XK-2WT-OLmost efficient | 105 | $15 |
Price any model at Washington rates
Your rate, your numbers
- Per day
- 13¢
- Per month
- $4.10
- Per year
- $49
343 kWh/yr × 14.4¢/kWh = $49/yr
Prefilled with the median certified dehumidifier (343 kWh/yr). Every model page on this site carries its exact certified figure.
Questions, answered with the data
- How much does it cost to run a dehumidifier in Washington?
- About $49 a year for the median ENERGY STAR certified dehumidifier, at Washington's average residential rate of 14.4¢/kWh — that's $4.10 a month.
- Is electricity expensive in Washington?
- Washington's residential average of 14.4¢/kWh is 24% below the U.S. average of 18.8¢/kWh, ranking 11 of 51 jurisdictions (1 = cheapest).
- What's the cheapest dehumidifier to run in Washington?
- Among currently certified models, the CONCETTA AS-CSJ72XK-2WT-OL costs the least at about $15 a year at Washington rates (105 kWh/yr).
- How does Washington compare with other states?
- The same median dehumidifier costs $42 a year in North Dakota (the cheapest state) and $160 in Hawaii (the priciest). Washington sits at $49.
Keep digging
- All certified dehumidifiers compared
- Dehumidifiers costs in Arkansas (rank 9 of 51)
- Dehumidifiers costs in Nevada (rank 10 of 51)
- Dehumidifiers costs in Louisiana (rank 12 of 51)
- Dehumidifiers costs in South Dakota (rank 13 of 51)
- Running an air purifier in Washington
- Running a clothes dryer in Washington
- Running a clothes washer in Washington
- Running a computer monitor in Washington
Rate source: US EIA, average residential price of electricity, see methodology.