TABLE 2.
CADR for different fan configurations and test conditions at high fan setting, unless noted
| Condition | CADR (CFM) | Device noise level (dbA) | Power consumption (W) | Initial cost ($) a | Weekly operating cost ($) b |
|---|---|---|---|---|---|
|
Baseline Low fan speed |
79.7 ± 3.1 | 35 | 58.8 ± 0.2 | 45.38 | 0.78 |
|
Baseline Medium fan speed |
96.9 ± 2.1 | – | 67.5 ± 0.6 | 45.38 | 0.89 |
|
Baseline High fan speed |
111.2 ± 1.3 | 55 | 77.1 ± 0.8 | 45.38 | 1.02 |
| Corner | 119.6 ± 4.4 | – | 78.4 ± 0.6 | 45.38 | 1.04 |
| Smoke | 4.31 ± 0.9 | – | 76.1 ± 0.6 | 45.38 | 1.00 |
| Dust | 22.9 ± 0.8 | – | 77.8 ± 0.3 | 45.38 | 1.02 |
| Bungee | 120.9 ± 11.9 | 63 | 77.8 ± 0.2 | 42.78 | 1.03 |
| Outlet | 121.3 ± 7.9 | 64 | 78.6 ± 0.3 | 45.38 | 1.04 |
| MERV11‐1″ | 63.6 ± 6.8 | 63 | 78.3 ± 0.6 | 43.65 | 1.03 |
| MERV13‐4″ | 247.9 ± 14.6 | 63 | 77.7 ± 0.3 | 72.81 | 1.03 |
| Fan B | 143.2 ± 8.2 | 75 | 104.8 ± 0.7 | 70.38 | 1.38 |
| Fan C | 124.3 ± 6.1 | 62 | 71.8 ± 0.4 | 39.38 | 0.95 |
| Shroud | 156.1 ± 3.6 | 62 | 77.6 ± 0.2 | 45.38 | 1.02 |
| Wedge | 263.1 ± 21.8 | 61 | 76.1 ± 0.4 | 54.78 | 1.01 |
| CR box | 400.9 ± 30.7 | 55 | 76.0 ± 1.1 | 73.59 | 1.00 |
|
Commercial Turbo fan speed |
118.9 ± 0.7 | 51 | 41.1 ± 0.2 | 123.05 | 0.54 |
a
Prices obtained from national retailers in April 2022, filter unit price derived from a pack of 6.
b
Prices estimated with the air cleaner being used for 8 h per day 7 days a week at an electricity cost of 23.58 ¢/kWh average price for CA in March 2022. 39 This does not include price of replacement filters.