Cost to Run a Air Purifier in Hawaii
Hawaii's average residential electricity rate is 48¢/kWh as of July 2026 — the 51st cheapest in the country, 162% above the U.S. average. At typical usage (24 hours/day (always on)), a air purifier here costs $14.01 per month.
Per hour
1.9¢
at 20–100 W
Per day
$0.46
24 hours/day (always on)
Per month
$14.01
29 kWh
Per year
$168
350 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.23 | $7.00 | $84.10 |
| Typical (24 hrs/day) | $0.46 | $14.01 | $168 |
| Heavy (24 hrs/day) | $0.92 | $28.02 | $336 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a air purifier in Hawaii?
At Hawaii's current average residential rate of 48¢/kWh (July 2026), a air purifier with typical usage costs about $0.46 per day, $14.01 per month, or $168 per year.
Is running a air purifier in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 162% more than the U.S. average, so the same usage costs $14.01 per month here versus $5.34 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 48¢ per kWh as of July 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.