Cost to Run a Air Purifier in Kentucky
Kentucky's average residential electricity rate is 15¢/kWh as of April 2026 — the 16th cheapest in the country, 20% below the U.S. average. At typical usage (24 hours/day (always on)), a air purifier here costs $4.38 per month.
Per hour
0.6¢
at 20–100 W
Per day
$0.14
24 hours/day (always on)
Per month
$4.38
29 kWh
Per year
$52.56
350 kWh
By usage level in Kentucky
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | 7.2¢ | $2.19 | $26.28 |
| Typical (24 hrs/day) | $0.14 | $4.38 | $52.56 |
| Heavy (24 hrs/day) | $0.29 | $8.76 | $105 |
Kentucky 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 Kentucky?
At Kentucky's current average residential rate of 15¢/kWh (April 2026), a air purifier with typical usage costs about $0.14 per day, $4.38 per month, or $52.56 per year.
Is running a air purifier in Kentucky more expensive than average?
No — it's cheaper. Kentucky's rate is about 20% below the U.S. average: $4.38 per month here versus $5.49 nationally.
What does electricity cost in Kentucky right now?
Kentucky residents pay an average of 15¢ per kWh as of April 2026 — the 16th cheapest rate of the 51 U.S. jurisdictions we track.