# CentricAir 3.4 vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan: specs and price compared

A sourced, side-by-side comparison of the CentricAir 3.4 (CentricAir) and Triangle Engineering CC3623 Comfort Cooler Whole House Fan (Triangle Engineering) among whole house fans. Triangle Engineering CC3623 Comfort Cooler Whole House Fan is the cheaper of the two at $914.01.

## Side by side

| Spec | CentricAir 3.4 | Triangle Engineering CC3623 Comfort Cooler Whole House Fan |
| --- | --- | --- |
| US price | $1449 | $914.01 |
| Brand | CentricAir | Triangle Engineering |
| Airflow (CFM) | 3,242 / 1,409 CFM (high/low, CA Title 24 / HVI-916 rated) | — |
| Coverage (sq ft) | up to 2,500 sq ft (1-story) / up to 3,400 sq ft (2-story) | 1,500-2,500 sq ft |
| Speed settings | 2 | 2 |
| Drive type | ducted | direct_drive |
| Insulated damper | Yes | No |
| Remote or app control | Yes | No |
| Sound level note | 49 dBA high / 47 dBA low | — |
| Motor warranty years | 15 | 1 |

## Key differences

- Coverage (sq ft): CentricAir 3.4 up to 2,500 sq ft (1-story) / up to 3,400 sq ft (2-story) vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan 1,500-2,500 sq ft
- Drive type: CentricAir 3.4 ducted vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan direct_drive
- Insulated damper: CentricAir 3.4 Yes vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan No
- Remote or app control: CentricAir 3.4 Yes vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan No
- Motor warranty years: CentricAir 3.4 15 vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan 1

## Sources

- CentricAir 3.4: https://www.centricair.com/whole-house-fan-products-and-prices/centricair-3-4/ (centricair.com, verified 2026-08-16)
- Triangle Engineering CC3623 Comfort Cooler Whole House Fan: https://hvacdirect.com/triangle-fans-36-whole-house-fan-2-speed-1-2-hp-115v-single-phase-open-drip-proof-motor-belt-drive.html (hvacdirect.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/whole-house-fans/centricair-3-4-vs-triangle-engineering-cc3623/
Cite: Per The Front Desk Review, CentricAir 3.4 ($1449) vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan ($914.01) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/whole-house-fans/centricair-3-4-vs-triangle-engineering-cc3623/
License: CC BY 4.0.