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 AirScape 1.7 (1.7 WHF-XR)
A sourced, side-by-side comparison. AirScape 1.7 (1.7 WHF-XR) is cheaper at $996. Every spec and price links to its source.
AirScape
AirScape 1.7 (1.7 WHF-XR)
$996
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) | AirScape 1.7 (1.7 WHF-XR) |
|---|---|---|
| US price | — | $996 |
| Brand | Air Vent | AirScape |
| Released | — | — |
| Airflow (CFM) | 3,500 CFM | 1,712 / 1,000 CFM (high/low) |
| Coverage (sq ft) | up to 1,500 sq ft | up to 1,500 sq ft |
| Speed settings | 2 | 2 |
| Drive type | direct_drive | direct_drive |
| Insulated damper | No | Yes |
| Remote or app control | No | No |
| Sound level note | — | 55 dBA high / 44 dBA low, measured at 1 meter |
| Motor warranty years | 10 | 3 |
Sources — Air Vent 24 in. Direct Drive Whole House Fan (54301): sutherlands.com (verified 2026-08-16). AirScape 1.7 (1.7 WHF-XR): airscapefans.com (verified 2026-08-16).
What's the difference between the Air Vent 24 in. Direct Drive Whole House Fan (54301) and AirScape 1.7 (1.7 WHF-XR)?
Where the two actually differ on the specs we track (3 of 8). Matching specs are omitted.
- Airflow (CFM): Air Vent 24 in. Direct Drive Whole House Fan (54301) 3,500 CFM vs AirScape 1.7 (1.7 WHF-XR) 1,712 / 1,000 CFM (high/low)
- Insulated damper: Air Vent 24 in. Direct Drive Whole House Fan (54301) false vs AirScape 1.7 (1.7 WHF-XR) true
- Motor warranty years: Air Vent 24 in. Direct Drive Whole House Fan (54301) 10 vs AirScape 1.7 (1.7 WHF-XR) 3