Air Vent
Air Vent 24 in. Direct Drive Whole House Fan (54301)
—
Best Whole House Fans · head-to-head
Air Vent 24 in. Direct Drive Whole House Fan (54301) vs Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan
A sourced, side-by-side comparison. Air Vent 24 in. Direct Drive Whole House Fan (54301) is cheaper at —. Every spec and price links to its source.
No photo yet
Cool Attic
Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan
—
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) | Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan |
|---|---|---|
| US price | — | — |
| Brand | Air Vent | Cool Attic |
| Released | — | — |
| Airflow (CFM) | 3,500 CFM | 4,600 / 3,200 CFM (high/low) |
| Coverage (sq ft) | up to 1,500 sq ft | 1,200-1,800 sq ft |
| Speed settings | 2 | 2 |
| Drive type | direct_drive | direct_drive |
| Insulated damper | No | No |
| Remote or app control | No | No |
| Sound level note | — | — |
| Motor warranty years | 10 | 10 |
Sources — Air Vent 24 in. Direct Drive Whole House Fan (54301): sutherlands.com (verified 2026-08-16). Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan: amazon.com (verified 2026-08-16).
What's the difference between the Air Vent 24 in. Direct Drive Whole House Fan (54301) and Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan?
Where the two actually differ on the specs we track (2 of 8). Matching specs are omitted.
- Airflow (CFM): Air Vent 24 in. Direct Drive Whole House Fan (54301) 3,500 CFM vs Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan 4,600 / 3,200 CFM (high/low)
- Coverage (sq ft): Air Vent 24 in. Direct Drive Whole House Fan (54301) up to 1,500 sq ft vs Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan 1,200-1,800 sq ft