Cost to Run a Ductless Mini-Split in Washington
Washington's average residential electricity rate is 14.4¢/kWh as of April 2026 — the 12th cheapest in the country, 23% below the U.S. average. At typical usage (8 hours/day), a ductless mini-split here costs $28.02 per month.
Per hour
$0.12
at 400–2,000 W
Per day
$0.92
8 hours/day
Per month
$28.02
195 kWh
Per year
$336
2,336 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.46 | $14.01 | $168 |
| Typical (8 hrs/day) | $0.92 | $28.02 | $336 |
| Heavy (16 hrs/day) | $1.84 | $56.03 | $673 |
Washington vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a ductless mini-split in Washington?
At Washington's current average residential rate of 14.4¢/kWh (April 2026), a ductless mini-split with typical usage costs about $0.92 per day, $28.02 per month, or $336 per year.
Is running a ductless mini-split in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 23% below the U.S. average: $28.02 per month here versus $36.58 nationally.
What does electricity cost in Washington right now?
Washington residents pay an average of 14.4¢ per kWh as of April 2026 — the 12th cheapest rate of the 51 U.S. jurisdictions we track.