QuietCool
QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF)
$1109
Best Whole House Fans · head-to-head
QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) vs Master Flow WHFS24M Direct Drive 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.
Master Flow
Master Flow WHFS24M Direct Drive Whole House Fan
$379.99Cheaper
Which is better: the QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) or Master Flow WHFS24M Direct Drive 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.
See QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) on Amazon Check Master Flow WHFS24M Direct Drive Whole House Fan price
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) | Master Flow WHFS24M Direct Drive Whole House Fan |
|---|---|---|
| US price | $1109 | $379.99 |
| Brand | QuietCool | Master Flow |
| Released | — | — |
| Airflow (CFM) | 4,415 / 3,402 CFM (high/low) | 4,500 CFM |
| Coverage (sq ft) | up to 2,208 sq ft | up to 2,000 sq ft |
| Speed settings | 2 | — |
| Drive type | ducted | direct_drive |
| Insulated damper | Yes | No |
| Remote or app control | Yes | No |
| Sound level note | ~54 dBA on high; acoustical duct + R5 damper box reduce noise/vibration | — |
| Motor warranty years | 10 | — |
Sources — QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF): lowes.com (verified 2026-08-16). Master Flow WHFS24M Direct Drive Whole House Fan: thelumberyard.com (verified 2026-08-16).
What's the difference between the QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) and Master Flow WHFS24M Direct Drive Whole House Fan?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Airflow (CFM): QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) 4,415 / 3,402 CFM (high/low) vs Master Flow WHFS24M Direct Drive Whole House Fan 4,500 CFM
- Coverage (sq ft): QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) up to 2,208 sq ft vs Master Flow WHFS24M Direct Drive Whole House Fan up to 2,000 sq ft
- Drive type: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) ducted vs Master Flow WHFS24M Direct Drive Whole House Fan direct_drive
- Insulated damper: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) true vs Master Flow WHFS24M Direct Drive Whole House Fan false
- Remote or app control: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) true vs Master Flow WHFS24M Direct Drive Whole House Fan false