Best Whole House Fans · head-to-head

QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) vs Tamarack HV1000 Whole House Fan

A sourced, side-by-side comparison. Tamarack HV1000 Whole House Fan is cheaper at $709. Every spec and price links to its source.

Which is better: the QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) or Tamarack HV1000 Whole House Fan?

On the specs we track, they're closely matched. The Tamarack HV1000 Whole House Fan is the cheaper at $709.

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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) Tamarack HV1000 Whole House Fan
US price $1109 $709
BrandQuietCoolTamarack
Released
Airflow (CFM) 4,415 / 3,402 CFM (high/low) 1,000 CFM
Coverage (sq ft) up to 2,208 sq ft under 1,600 sq ft
Speed settings 2 1
Drive type ducted direct_drive
Insulated damper Yes Yes
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 3

Sources — QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF): lowes.com (verified 2026-08-16). Tamarack HV1000 Whole House Fan: tamtech.com (verified 2026-08-16).

What's the difference between the QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) and Tamarack HV1000 Whole House Fan?

Where the two actually differ on the specs we track (6 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 Tamarack HV1000 Whole House Fan 1,000 CFM
  • Coverage (sq ft): QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) up to 2,208 sq ft vs Tamarack HV1000 Whole House Fan under 1,600 sq ft
  • Speed settings: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) 2 vs Tamarack HV1000 Whole House Fan 1
  • Drive type: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) ducted vs Tamarack HV1000 Whole House Fan direct_drive
  • Remote or app control: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) true vs Tamarack HV1000 Whole House Fan false
  • Motor warranty years: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) 10 vs Tamarack HV1000 Whole House Fan 3

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