What CADR does your room need?
| Room area | Min smoke CADR (8 ft) | Min at 9 ft | Qualifying models |
|---|---|---|---|
| 100 sq ft | 67 cfm | 75 cfm | 120 |
| 150 sq ft | 100 cfm | 112 cfm | 107 |
| 200 sq ft | 133 cfm | 150 cfm | 93 |
| 250 sq ft | 167 cfm | 188 cfm | 71 |
| 300 sq ft | 200 cfm | 225 cfm | 68 |
| 400 sq ft | 267 cfm | 300 cfm | 45 |
| 500 sq ft | 333 cfm | 375 cfm | 26 |
| 600 sq ft | 400 cfm | 450 cfm | 9 |
| 800 sq ft | 533 cfm | 600 cfm | 2 |
| 1000 sq ft | 667 cfm | 750 cfm | 0 |
Source: AHAM Verifide 2/3 rule. Or use the calculator.