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Air purifiers ยท Blueair
Blueair model 4512311000 air purifier
Rated for rooms up to 250 sq ft. Puts out 161 cfm of smoke-free air per minute.
Where it ranks
#5 in Best air purifiers for rooms up to 300 sq ft115 models compared#2 in Best air purifiers for rooms up to 300 sq ft with app control29 models compared#1 in Best air purifiers for rooms up to 300 sq ft rated most efficient52 models compared#8 in Best air purifiers for allergies in rooms up to 300 sq ft with app control29 models compared
Full specs
Cleaning power
| Room size it is rated forThe largest room it cleans well in the certification test. | 250 sq ft | |
| Clean air per minute: smokeHow much smoke-free air it puts out each minute. Higher cleans faster. | 161 cfm | |
| Clean air per minute: dustThe same test for dust. | 163 cfm | |
| Clean air per minute: pollenThe same test for pollen. Matters most for allergies. | 179 cfm |
Running cost
| Electricity per yearMeasured use when running all year. Multiply by your power price. | 110 kWh | |
| Among the most efficient of 2025 | Yes |
Filters
| Main filter | HEPA-Type |
Safety
| Ozone it gives offOzone irritates lungs. 0 means none was measured. | 1 ppb |
Features
| Automatic modeAn air quality sensor adjusts the speed on its own. | No | |
| App control | Yes |
Source: this model on the ENERGY STAR list, checked 2026-11-09. Model number 4512311000.