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 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
$914.01Cheaper
Which is better: the QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) or Triangle Engineering CC3623 Comfort Cooler Whole House Fan?
On the specs we track, they're closely matched. The Triangle Engineering CC3623 Comfort Cooler Whole House Fan is the cheaper at $914.01.
See QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) on Amazon See Triangle Engineering CC3623 Comfort Cooler Whole House Fan on Amazon
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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) | Triangle Engineering CC3623 Comfort Cooler Whole House Fan |
|---|---|---|
| US price | $1109 | $914.01 |
| Brand | QuietCool | Triangle Engineering |
| Released | — | — |
| Airflow (CFM) | 4,415 / 3,402 CFM (high/low) | — |
| Coverage (sq ft) | up to 2,208 sq ft | 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 | ~54 dBA on high; acoustical duct + R5 damper box reduce noise/vibration | — |
| Motor warranty years | 10 | 1 |
Sources — QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF): lowes.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 QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) and Triangle Engineering CC3623 Comfort Cooler Whole House Fan?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Coverage (sq ft): QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) up to 2,208 sq ft vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan 1,500-2,500 sq ft
- Drive type: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) ducted vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan direct_drive
- Insulated damper: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) true vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan false
- Remote or app control: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) true vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan false
- Motor warranty years: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) 10 vs Triangle Engineering CC3623 Comfort Cooler Whole House Fan 1