Master Flow
Master Flow WHFS24M Direct Drive Whole House Fan
$379.99Cheaper
Best Whole House Fans · head-to-head
Master Flow WHFS24M Direct Drive Whole House Fan vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan
A sourced, side-by-side comparison. Master Flow WHFS24M Direct Drive Whole House Fan is cheaper at $379.99. Every spec and price links to its source.
Triangle Engineering
Triangle Engineering CC3623 Comfort Cooler Whole House Fan
$914.01
Which is better: the Master Flow WHFS24M Direct Drive Whole House Fan or Triangle Engineering CC3623 Comfort Cooler Whole House Fan?
On the specs we track, they're closely matched. The Master Flow WHFS24M Direct Drive Whole House Fan is the cheaper at $379.99.
Check Master Flow WHFS24M Direct Drive Whole House Fan price See Triangle Engineering CC3623 Comfort Cooler Whole House Fan on Amazon
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Master Flow WHFS24M Direct Drive Whole House Fan | Triangle Engineering CC3623 Comfort Cooler Whole House Fan |
|---|---|---|
| US price | $379.99 | $914.01 |
| Brand | Master Flow | Triangle Engineering |
| Released | — | — |
| Airflow (CFM) | 4,500 CFM | — |
| Coverage (sq ft) | up to 2,000 sq ft | 1,500-2,500 sq ft |
| Speed settings | — | 2 |
| Drive type | direct_drive | direct_drive |
| Insulated damper | No | No |
| Remote or app control | No | No |
| Sound level note | — | — |
| Motor warranty years | — | 1 |
Sources — Master Flow WHFS24M Direct Drive Whole House Fan: thelumberyard.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 Master Flow WHFS24M Direct Drive Whole House Fan and Triangle Engineering CC3623 Comfort Cooler Whole House Fan?
Where the two actually differ on the specs we track (1 of 8). Matching specs are omitted.
- Coverage (sq ft): Master Flow WHFS24M Direct Drive Whole House Fan up to 2,000 sq ft vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan 1,500-2,500 sq ft