Quietcool 3G-OTH-81411 — Technical Specifications
The QUIETCOOL RM WHF-4.0-DB is a roof-mount whole house fan with a 22-inch blade, delivering a maximum airflow of 3,543 cfm and coverage of 2,771 sq ft. It operates on 115V AC, single-phase power (nameplate 120V AC) and features three speeds, a high-efficiency motor, and a quiet design. This square rough-opening unit is speed-controllable and designed for high-static-pressure applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Max. | 3,543 cfm |
| Type | 2,771 sq ft Coverage, Low Noise |
| Blade | 22 in |
| Brand | QUIETCOOL |
| Speeds | 3 |
| Quiet Design | Yes |
| Nominal Voltage | 115V AC, Single Phase |
| Number Of Speeds | 3 |
| Mounting Location | Roof |
| Nameplate Voltage | 120V AC |
| Rough Opening Type | Square |
| Speed Controllable | Yes |
| High-Efficiency Motor | Yes |
| Motor Efficiency Broad | High-Efficiency Motor |
| Maximum Airflow - Range | 3,000 to 4,999 cfm |
| Manufacturer Part Number | RM WHF-4.0-DB |
| For High-Static Pressure Applications | Yes |