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Cool Attic
Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan
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Best Whole House Fans · head-to-head
Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan
A sourced, side-by-side comparison. Triangle Engineering CC3623 Comfort Cooler Whole House Fan is cheaper at $914.01. Every spec and price links to its source.
Triangle Engineering
Triangle Engineering CC3623 Comfort Cooler Whole House Fan
$914.01
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan | Triangle Engineering CC3623 Comfort Cooler Whole House Fan |
|---|---|---|
| US price | — | $914.01 |
| Brand | Cool Attic | Triangle Engineering |
| Released | — | — |
| 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 |
Sources — Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan: amazon.com (verified 2026-08-16). Triangle Engineering CC3623 Comfort Cooler Whole House Fan: hvacdirect.com (verified 2026-08-16).
What's the difference between the Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Fan and Triangle Engineering CC3623 Comfort Cooler Whole House Fan?
Where the two actually differ on the specs we track (2 of 8). Matching specs are omitted.
- 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