# Air Vent 24 in. Direct Drive Whole House Fan (54301) vs CentricAir 3.4: specs and price compared

A sourced, side-by-side comparison of the Air Vent 24 in. Direct Drive Whole House Fan (54301) (Air Vent) and CentricAir 3.4 (CentricAir) among whole house fans.

## Side by side

| Spec | Air Vent 24 in. Direct Drive Whole House Fan (54301) | CentricAir 3.4 |
| --- | --- | --- |
| US price | not published | $1449 |
| Brand | Air Vent | CentricAir |
| 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 |

## Key differences

- 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) No vs CentricAir 3.4 Yes
- Remote or app control: Air Vent 24 in. Direct Drive Whole House Fan (54301) No vs CentricAir 3.4 Yes
- Motor warranty years: Air Vent 24 in. Direct Drive Whole House Fan (54301) 10 vs CentricAir 3.4 15

## Sources

- Air Vent 24 in. Direct Drive Whole House Fan (54301): https://sutherlands.com/products/item/4519047/air-vent-24-inch-whole-house-fan-direct-drive-with-shutter (sutherlands.com, verified 2026-08-16)
- CentricAir 3.4: https://www.centricair.com/whole-house-fan-products-and-prices/centricair-3-4/ (centricair.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/whole-house-fans/air-vent-54301-vs-centricair-3-4/
Cite: Per The Front Desk Review, Air Vent 24 in. Direct Drive Whole House Fan (54301) (not published) vs CentricAir 3.4 ($1449) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/whole-house-fans/air-vent-54301-vs-centricair-3-4/
License: CC BY 4.0.