# Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan: specs and price compared

A sourced, side-by-side comparison of the Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan (Cool Attic) and Triangle Engineering CC3623 Comfort Cooler Whole House Fan (Triangle Engineering) among whole house fans.

## Side by side

| Spec | Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan | Triangle Engineering CC3623 Comfort Cooler Whole House Fan |
| --- | --- | --- |
| US price | not published | $914.01 |
| Brand | Cool Attic | Triangle Engineering |
| Airflow (CFM) | 4,600 / 3,200 CFM (high/low) | — |
| Coverage (sq ft) | 1,200-1,800 sq ft | 1,500-2,500 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 | 1 |

## Key differences

- Coverage (sq ft): Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan 1,200-1,800 sq ft vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan 1,500-2,500 sq ft
- Motor warranty years: Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan 10 vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan 1

## Sources

- Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan: https://www.amazon.com/Cool-Attic-CX24DDWT-2-Speed-Shutter/dp/B001AH5BAQ (amazon.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/cool-attic-cx24ddwt-vs-triangle-engineering-cc3623/
Cite: Per The Front Desk Review, Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan (not published) vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan ($914.01) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/whole-house-fans/cool-attic-cx24ddwt-vs-triangle-engineering-cc3623/
License: CC BY 4.0.