VIVOHOME Register Booster Fan - 4'' x 12'' Opening with Adjustable Louver
This VIVOHOME register booster fan is designed for homeowners who want to balance room temperatures without cranking up the HVAC. Think of it as a targeted solution for that one room that's always too hot or cold, like a sun-baked home office or a drafty basement bedroom.
Instead of just moving air, it thinks for you. The built-in thermostat triggers the fan only when the vent temperature hits your preset, so it's not running unnecessarily. After the AC cycles off, you can set it to 'fan only' mode to keep air circulating—helpful for stuffy rooms. The 10-speed EC motor is surprisingly quiet (under 18 dB), so you won't hear it during a conference call or while sleeping.
The WiFi app gives you control from anywhere: adjust speed, set a schedule, or review temperature history to optimize comfort. Adjustable louvers let you direct airflow where needed, and the auto-swing option covers the whole room. Even if the power goes out, your settings are remembered. This isn't just a fan—it's a smarter way to even out your home's climate.
Features
- Smart thermostat auto on/off
- Super quiet below 18 dB
- Powerful airflow up to 120 CFM
- Adjustable louvers 60°-120° auto-swing
- Memory recall after power outage
- Child safety lock
- Easy installation on floor, ceiling, wall
- Durable aluminum and ABS build
- Wi-Fi app control with scheduling
General specs
- Brand: VIVOHOME
- Seller: Amazon
- ID: B0G1SDYVPT
- Airflow: 120 CFM
- Material: Aluminum, ABS
- Auto Swing: Yes
- Motor Type: EC Motor
- Scheduling: Yes
- Noise Level: <18 dB
- Sleep Timer: Yes
- Fan Mode Only: Yes
- Use Locations: Floor, Ceiling, Wall, Basement, Bedroom, Attic, Office, Living Room, Laundry, Kitchen, Bathroom
- Number of Speeds: 10
- Smart Thermostat: Yes
- Child Safety Lock: Yes
- App Control Fi Wi: Yes
- History Temperature: Yes
- Compatible Depth Vent: >2"
- Compatible Vent Width: 3⁷⁄₈"-5¹⁄₂"
- Compatible Length Vent: 9⁷⁄₈"-12⁷⁄₈"
- Adjustable Angle Louver: 60°-120°
- Memory Outage Post Recall: Yes
- First listed by seller: 5/20/26
If you are interested in more details, you can find full information on the seller's page.
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| Model | HWVFSR | AFG SMT ES-3.0 | ||||
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| Price | $55.99 | $52.99 | $28.49 | $49.00 | $49.99 | $289.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | May 20, 2026 | May 29, 2026 | May 29, 2026 | May 29, 2026 | Mar 21, 2026 | May 29, 2026 |
| Material | Aluminum, ABS | 2mm Steel | 2mm steel | |||
| Motor Type | EC Motor | DC motors | Electronically Commutated Motor (ECM) | |||
| Noise Level | <18 dB | 18 dBA | 16 dBA | |||
| Number of Speeds | 10 | 10 | 10 | 3 | ||
| Fan Type | Stator-blade PWM, Hydro-mechanical blades | Register Booster Fan | Super Quiet Register Booster Fan, Ultra-quiet stator-blade PWM fans | |||
| Control Type | Dual Intelligent Thermostat, WIFI App Control, Button Control | App, Button | Dual Intelligent Thermostat, WIFI App Control, Button Control | |||
Register Booster Fan - 4'' x 12'' Opening with Adjustable Louver White Wi-Fi app control with scheduling
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