
| Unit | CFM | Room Size |
Theorectical Air Changes |
Mixing Factor |
Actual Air Changes |
Number of Speeds |
| NQ Clarifier | 350 | 20 x 20 | 6.6 | 1:1 | 6.6 | Infinite |
|
Foust S-400 No ACH claim |
250 | 20 x 20 | 4.6 | 3:1 | 1.5 | 2 |
|
Austin Air 2 ACH in 1500 sq. ft. |
400 | 20 x 20 | 7.5 | 2:1 | 3.75 | 3 |
|
Equinox 11.25 ACH in 150 sq ft. room |
225 | 20 x 20 | 4.2 | 2:1 | 2.6 | variable |
|
Honeywell 20x22 @ 6 x per hour |
350 | 20 x 20 | 6.6 | 3:1 | 2.2 | 3 |
| Unit | Watts | Running Cost @ $0.10/kw* |
Actual Air Changes |
Effect Cost Per Year |
Effective Cost @ $.15 |
| NQ Clarifier | 98 | $23.52 | 1:1 | $23.52 | $35.28 |
| Foust S-400 | 140 | $33.60 | 3:1 | $82.80 | $124.20 |
| Austin Air | 100 | $25.92 | 2:1 | $46.80 | $70.20 |
| Equinox | 84 | $20.16 | 2:1 | $40.32 | $61.02 |
| Honeywell | 350 | $84.00 | 3:1 | $252.00 | $378.00 |
| Unit | Carbon Weight | Effectiveness | Filtration Stages | HEPA Size |
| NQ Clarifier | 15 | 100% | 4 | 80 sq ft |
| Foust S-400 | 4.5 | 20% | 3 | 62 sq ft |
| Austin Air | 15 | 58% | 3 | 80 sq ft |
| Equinox (essentially a HEPA only) |
less than 1 carbon pad |
4.4% | 3 | NA 100 sq ft |
| Honeywell (essentially a HEPA only) |
less than 1 carbon pad |
4.4% | 2 | 66 sq ft |
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