Cost to Run a Air Purifier in Massachusetts
Massachusetts's average residential electricity rate is 28.8¢/kWh as of May 2026 — the 47th cheapest in the country, 57% above the U.S. average. At typical usage (24 hours/day (always on)), a air purifier here costs $8.40 per month.
Per hour
1.2¢
at 20–100 W
Per day
$0.28
24 hours/day (always on)
Per month
$8.40
29 kWh
Per year
$101
350 kWh
By usage level in Massachusetts
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.14 | $4.20 | $50.46 |
| Typical (24 hrs/day) | $0.28 | $8.40 | $101 |
| Heavy (24 hrs/day) | $0.55 | $16.81 | $202 |
Massachusetts 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 Massachusetts?
At Massachusetts's current average residential rate of 28.8¢/kWh (May 2026), a air purifier with typical usage costs about $0.28 per day, $8.40 per month, or $101 per year.
Is running a air purifier in Massachusetts more expensive than average?
Yes. Massachusetts's electricity costs about 57% more than the U.S. average, so the same usage costs $8.40 per month here versus $5.37 nationally.
What does electricity cost in Massachusetts right now?
Massachusetts residents pay an average of 28.8¢ per kWh as of May 2026 — the 47th cheapest rate of the 51 U.S. jurisdictions we track.