Data through April 2026
Cost to run · Washington · 14.4¢/kWh residential average
How much does it cost to run an air purifier in Washington?
$21/yr · median certified model
Residential electricity in Washington runs 14.4¢/kWh — 24% under the U.S. average — putting the median certified air purifier at about $21 a year, versus $28 nationally.
Washington ranks 11 of 51 jurisdictions for air purifier running costs — solidly mid-table. Model choice matters as much as geography: at Washington rates the most efficient certified model (Blueair 4612522000) costs $4.31 a year while the most power-hungry (Fellowes Aeramax SV) costs $70 — a spread of $66 every year. 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 Washington rates
| # | Model | kWh/yr | $/yr in WA |
|---|---|---|---|
| 1 | Blueair 4612522000most efficient | 30 | $4.31 |
| 2 | AeroNova DH-JH01Amost efficient | 33 | $4.74 |
| 3 | AeroNova MK01Amost efficient | 33 | $4.74 |
| 4 | ALROCKET MK01Amost efficient | 33 | $4.74 |
| 5 | AROEVE MK01Amost efficient | 33 | $4.74 |
| 6 | BREEZOME MK01Amost efficient | 33 | $4.74 |
| 7 | Greenlite G-Pure-7Wmost efficient | 33 | $4.74 |
| 8 | KLOUDIC MK01Amost efficient | 33 | $4.74 |
| 9 | REEMKIZZ MK01Amost efficient | 33 | $4.74 |
| 10 | ALROCKET DH-JH020US-A00most efficient | 36 | $5.17 |
Price any model at Washington rates
Your rate, your numbers
- Per day
- 6¢
- Per month
- $1.77
- Per year
- $21
148 kWh/yr × 14.4¢/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 Washington?
- About $21 a year for the median ENERGY STAR certified air purifier, at Washington's average residential rate of 14.4¢/kWh — that's $1.77 a month.
- Is electricity expensive in Washington?
- Washington's residential average of 14.4¢/kWh is 24% below the U.S. average of 18.8¢/kWh, ranking 11 of 51 jurisdictions (1 = cheapest).
- What's the cheapest air purifier to run in Washington?
- Among currently certified models, the Blueair 4612522000 costs the least at about $4.31 a year at Washington rates (30 kWh/yr).
- How does Washington 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). Washington sits at $21.
Keep digging
- All certified air purifiers compared
- Air Purifiers costs in Arkansas (rank 9 of 51)
- Air Purifiers costs in Nevada (rank 10 of 51)
- Air Purifiers costs in Louisiana (rank 12 of 51)
- Air Purifiers costs in South Dakota (rank 13 of 51)
- Running a clothes dryer in Washington
- Running a clothes washer in Washington
- Running a computer monitor in Washington
- Running a dehumidifier in Washington
Rate source: US EIA, average residential price of electricity, see methodology.