Air Vent
Air Vent 24 in. Direct Drive Whole House Fan (54301)
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Best Whole House Fans · head-to-head
Air Vent 24 in. Direct Drive Whole House Fan (54301) vs CentricAir 3.4
A sourced, side-by-side comparison. CentricAir 3.4 is cheaper at $1449. Every spec and price links to its source.
CentricAir
CentricAir 3.4
$1449
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Air Vent 24 in. Direct Drive Whole House Fan (54301) | CentricAir 3.4 |
|---|---|---|
| US price | — | $1449 |
| Brand | Air Vent | CentricAir |
| Released | — | — |
| Airflow (CFM) | 3,500 CFM | 3,242 / 1,409 CFM (high/low, CA Title 24 / HVI-916 rated) |
| Coverage (sq ft) | up to 1,500 sq ft | up to 2,500 sq ft (1-story) / up to 3,400 sq ft (2-story) |
| Speed settings | 2 | 2 |
| Drive type | direct_drive | ducted |
| Insulated damper | No | Yes |
| Remote or app control | No | Yes |
| Sound level note | — | 49 dBA high / 47 dBA low |
| Motor warranty years | 10 | 15 |
Sources — Air Vent 24 in. Direct Drive Whole House Fan (54301): sutherlands.com (verified 2026-08-16). CentricAir 3.4: centricair.com (verified 2026-08-16).
What's the difference between the Air Vent 24 in. Direct Drive Whole House Fan (54301) and CentricAir 3.4?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- Airflow (CFM): Air Vent 24 in. Direct Drive Whole House Fan (54301) 3,500 CFM vs CentricAir 3.4 3,242 / 1,409 CFM (high/low, CA Title 24 / HVI-916 rated)
- Coverage (sq ft): Air Vent 24 in. Direct Drive Whole House Fan (54301) up to 1,500 sq ft vs CentricAir 3.4 up to 2,500 sq ft (1-story) / up to 3,400 sq ft (2-story)
- Drive type: Air Vent 24 in. Direct Drive Whole House Fan (54301) direct_drive vs CentricAir 3.4 ducted
- Insulated damper: Air Vent 24 in. Direct Drive Whole House Fan (54301) false vs CentricAir 3.4 true
- Remote or app control: Air Vent 24 in. Direct Drive Whole House Fan (54301) false vs CentricAir 3.4 true
- Motor warranty years: Air Vent 24 in. Direct Drive Whole House Fan (54301) 10 vs CentricAir 3.4 15