Multi-Zone Thermostats
Choose smart thermostat replacements for each existing low-voltage HVAC zone, and avoid confusing room sensors or fans with true zone control.
Howeall Super Quiet Register Booster Fan: Dual intelligent thermostat and WIFI app control
This smart register booster fan fits standard 4x10 inch vents and eliminates uneven room temperatures by working seamlessly with your HVAC system. It solves the problem of hot or cold spots in rooms farthest from the thermostat, making it perfect for a home office, nursery, or master bedroom that always feels too warm or chilly.
Instead of fighting with your main thermostat, this fan actively monitors the temperature and adjusts its speed in real time. When the room reaches your desired temperature, it automatically turns off, saving energy. You can control it via the button on the unit or the app from anywhere, so you can cool down the baby's room before naptime while you're still in the kitchen.
The ultra-quiet PWM fan operates as low as 16 dBA, quieter than a whisper. In our test, we could watch TV in the same room without hearing the fan. The durable steel panel supports up to 300 lbs, so you can still walk on the vent. It's an upgrade for HVAC airflow that actually solves the problem of uneven temperatures.
Features
- Super quiet operation under 16 dBA
- Supports up to 300 lbs weight capacity
- Fits 4 x 10 inch register vents
- Energy-saving automatic on/off programming
- Dual intelligent thermostat and WIFI app control
General specs
- Brand: Howeall
- Seller: Retailer
- ID: B0CLLS82VW
- Airflow: 140 CFM
- Fan Type: Stator-blade PWM, Hydro-mechanical blades
- Material: 2mm Steel
- Application: Heating, Cooling, AC Vent
- Control Type: Dual Intelligent Thermostat, WIFI App Control, Button Control
- Power Source: WIFI
- Weight Capacity: 300 lbs
- (Low) Level Noise: 16 dBA
- Hole Register Size: 4" x 10"
- Operating Principle: Two-way airflow
- Compatible Duct Size: 4" x 10"
- Temperature Monitoring: Yes
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | Howeall | SANYCASA | VIVOHOME | Howeall | Quietcool | VIVOSUN |
| Model | HWVFSR | T4 | ||||
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| Price | RUB 4,530.44 | RUB 4,452.31 | RUB 5,467.93 | RUB 4,296.06 | RUB 3,828.10 | RUB 9,061.66 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 29, 2026 | May 29, 2026 | May 20, 2026 | Mar 21, 2026 | May 29, 2026 | May 24, 2026 |
| Airflow | 140 CFM | 120 CFM | 210 CFM | |||
| Fan Type | Stator-blade PWM, Hydro-mechanical blades | Register Booster Fan | Super Quiet Register Booster Fan, Ultra-quiet stator-blade PWM fans | |||
| Material | 2mm Steel | Aluminum, ABS | 2mm steel | |||
| Control Type | Dual Intelligent Thermostat, WIFI App Control, Button Control | App, Button | Dual Intelligent Thermostat, WIFI App Control, Button Control | |||
| Noise Level | 18 dBA | <18 dB | 16 dBA | 28 dB | ||
| Number of Speeds | 10 | 10 | 10 | |||
| Motor Type | EC Motor | DC motors | EC motor with PWM control | |||
Super Quiet Register Booster Fan White Dual intelligent thermostat and WIFI app control
RUB 4,530.44
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