# QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) vs AirScape 1.7 (1.7 WHF-XR): specs and price compared

A sourced, side-by-side comparison of the QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) (QuietCool) and AirScape 1.7 (1.7 WHF-XR) (AirScape) among whole house fans. AirScape 1.7 (1.7 WHF-XR) is the cheaper of the two at $996.

## Side by side

| Spec | QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) | AirScape 1.7 (1.7 WHF-XR) |
| --- | --- | --- |
| US price | $1109 | $996 |
| Brand | QuietCool | AirScape |
| Airflow (CFM) | 4,415 / 3,402 CFM (high/low) | 1,712 / 1,000 CFM (high/low) |
| Coverage (sq ft) | up to 2,208 sq ft | up to 1,500 sq ft |
| Speed settings | 2 | 2 |
| 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 | 55 dBA high / 44 dBA low, measured at 1 meter |
| Motor warranty years | 10 | 3 |

## Key differences

- Airflow (CFM): QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) 4,415 / 3,402 CFM (high/low) vs AirScape 1.7 (1.7 WHF-XR) 1,712 / 1,000 CFM (high/low)
- Coverage (sq ft): QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) up to 2,208 sq ft vs AirScape 1.7 (1.7 WHF-XR) up to 1,500 sq ft
- Drive type: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) ducted vs AirScape 1.7 (1.7 WHF-XR) direct_drive
- Remote or app control: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) Yes vs AirScape 1.7 (1.7 WHF-XR) No
- Sound level note: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) ~54 dBA on high; acoustical duct + R5 damper box reduce noise/vibration vs AirScape 1.7 (1.7 WHF-XR) 55 dBA high / 44 dBA low, measured at 1 meter
- Motor warranty years: QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) 10 vs AirScape 1.7 (1.7 WHF-XR) 3

## Sources

- QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF): https://www.lowes.com/pd/QuietCool-QuietCool-QC-CL-4700-RF-Classic-Advanced-Whole-House-Fan-with-Wireless-Control-Up-to-4415-CFM-Two-Speed-Covers-up-to-2208-SQFT-10-Year-Warranty-Removable-Grille-R5-Insulated-Dampers-20ft-Power-Cord/5016126751 (lowes.com, verified 2026-08-16)
- AirScape 1.7 (1.7 WHF-XR): https://airscapefans.com/products/airscape-1-7 (airscapefans.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/whole-house-fans/quietcool-cl-4700-vs-airscape-1-7/
Cite: Per The Front Desk Review, QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) ($1109) vs AirScape 1.7 (1.7 WHF-XR) ($996) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/whole-house-fans/quietcool-cl-4700-vs-airscape-1-7/
License: CC BY 4.0.