Data through April 2026
Cost to run · Montana · 13.9¢/kWh residential average
How much does it cost to run an air purifier in Montana?
$21/yr · median certified model
Montana's 13.9¢/kWh rate undercuts the national average by 26%, so the typical certified air purifier costs roughly $21 a year here instead of $28.
Montana ranks 7 of 51 jurisdictions for air purifier running costs — solidly mid-table. At local rates, certified models span $4.17 (Blueair 4612522000) to $68 (Fellowes Aeramax SV) per year — $64 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median air purifier would cost $18 and $69 a year there.
The cheapest air purifiers to run at Montana rates
| # | Model | kWh/yr | $/yr in MT |
|---|---|---|---|
| 1 | Blueair 4612522000most efficient | 30 | $4.17 |
| 2 | AeroNova DH-JH01Amost efficient | 33 | $4.59 |
| 3 | AeroNova MK01Amost efficient | 33 | $4.59 |
| 4 | ALROCKET MK01Amost efficient | 33 | $4.59 |
| 5 | AROEVE MK01Amost efficient | 33 | $4.59 |
| 6 | BREEZOME MK01Amost efficient | 33 | $4.59 |
| 7 | Greenlite G-Pure-7Wmost efficient | 33 | $4.59 |
| 8 | KLOUDIC MK01Amost efficient | 33 | $4.59 |
| 9 | REEMKIZZ MK01Amost efficient | 33 | $4.59 |
| 10 | ALROCKET DH-JH020US-A00most efficient | 36 | $5.00 |
Price any model at Montana rates
Your rate, your numbers
- Per day
- 6¢
- Per month
- $1.71
- Per year
- $21
148 kWh/yr × 13.9¢/kWh = $21/yr
Prefilled with the median certified air purifier (148 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 an air purifier in Montana?
- About $21 a year for the median ENERGY STAR certified air purifier, at Montana's average residential rate of 13.9¢/kWh — that's $1.71 a month.
- Is electricity expensive in Montana?
- Montana's residential average of 13.9¢/kWh is 26% below the U.S. average of 18.8¢/kWh, ranking 7 of 51 jurisdictions (1 = cheapest).
- What's the cheapest air purifier to run in Montana?
- Among currently certified models, the Blueair 4612522000 costs the least at about $4.17 a year at Montana rates (30 kWh/yr).
- How does Montana compare with other states?
- The same median air purifier costs $18 a year in North Dakota (the cheapest state) and $69 in Hawaii (the priciest). Montana sits at $21.
Keep digging
- All certified air purifiers compared
- Air Purifiers costs in Oklahoma (rank 5 of 51)
- Air Purifiers costs in Iowa (rank 6 of 51)
- Air Purifiers costs in Missouri (rank 8 of 51)
- Air Purifiers costs in Arkansas (rank 9 of 51)
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Rate source: US EIA, average residential price of electricity, see methodology.