---
product_id: 555441958
title: "BIOWIND Smart Register Vent, Quiet Register Booster Fan Fits 4'' x 10'' Register Holes with Remote Control and Thermostat Control, Heating Cooling Ventilation Air Vent Fan - White"
brand: "biowind"
price: "¥27916"
currency: JPY
in_stock: true
reviews_count: 5
category: "Biowind"
url: https://www.desertcart.jp/products/555441958-biowind-smart-register-vent-quiet-register-booster-fan-fits-4
store_origin: JP
region: Japan
---

# 120 CFM airflow boost Remote + thermostat control Ultra-quiet 16 dB noise BIOWIND Smart Register Vent, Quiet Register Booster Fan Fits 4'' x 10'' Register Holes with Remote Control and Thermostat Control, Heating Cooling Ventilation Air Vent Fan - White

**Brand:** biowind
**Price:** ¥27916
**Availability:** ✅ In Stock

## Summary

> 🌬️ Upgrade your airflow game—comfort just a remote away!

## Quick Answers

- **What is this?** BIOWIND Smart Register Vent, Quiet Register Booster Fan Fits 4'' x 10'' Register Holes with Remote Control and Thermostat Control, Heating Cooling Ventilation Air Vent Fan - White by biowind
- **How much does it cost?** ¥27916 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/555441958-biowind-smart-register-vent-quiet-register-booster-fan-fits-4)

## Best For

- biowind enthusiasts

## Why This Product

- Trusted biowind brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek, Modern Design:** Flush-mounted white finish blends seamlessly with your décor, adding style without bulk.
- • **Plug & Play Installation:** Fits standard 4" x 10" registers and installs in minutes—no tools or modifications needed.
- • **Whisper-Quiet Performance:** Operates at a barely-there 16 decibels, perfect for bedrooms and home offices where silence matters.
- • **Effortless Climate Control:** Adjust fan speed remotely with 10 power levels for personalized comfort without leaving your seat.
- • **Smart Thermostat Activation:** Automatically turns on/off based on room temperature, optimizing energy use and comfort.

## Overview

The BIOWIND Smart Register Vent is a compact, energy-efficient booster fan designed to enhance HVAC airflow through standard 4" x 10" vents. Featuring a quiet 16 dB operation, 120 CFM airflow capacity, and remote plus thermostat controls, it ensures faster, more consistent room temperature regulation. Easy to install and stylishly designed, it’s the perfect affordable upgrade for uneven heating or cooling in any home.

## Description

Brand: AONELAS.

Review: Register Booster Fan – Noticeable Improvement in Room Comfort - I installed this register booster fan to help with uneven heating/cooling in one of our rooms, and it has made a noticeable difference. Installation was very straightforward — it dropped right into the existing floor vent and plugged into a nearby outlet with no modifications needed. Once running, the airflow increase was immediate. The room now reaches temperature much faster compared to before, especially during colder days. On lower speed settings, the fan is very quiet and barely noticeable. Higher speeds do create some noise, but it’s still reasonable and expected for the amount of airflow it delivers. I also like that it turns on and off automatically based on temperature (if your model has a thermostat), so it only runs when needed and doesn’t feel wasteful. Build quality feels solid and the fan sits flush with the register, so it doesn’t look out of place. Overall, this is a great solution for rooms that don’t get enough airflow, and I would definitely recommend it.
Review: Game-Changer for My Sun-Drenched South-Facing Room - I've been using the BIOWIND Quiet Register Booster Fan for just over a month now, and I have to say—this little device has made a *huge* difference in my home comfort. My room faces south and gets blasted with sunlight all day, making it one of the warmest rooms in the house, especially during summer. Despite having central AC, the airflow to this room was always weak, and the temperature was noticeably higher than the rest of the house. Enter the BIOWIND booster fan. Installation was super easy—just plug and play into my 4" x 10" floor register. The compact design fits perfectly and doesn’t stick out awkwardly. What impressed me most is how *quiet* it is. Even at higher speeds, it’s barely noticeable, which is a big plus since I use it in my bedroom. The smart thermostat feature is brilliant. It automatically kicks in when the room starts heating up and helps pull in cool air even after the HVAC shuts off. I’ve noticed a much more consistent temperature throughout the day, and the room no longer feels like a sauna by mid-afternoon. The remote control is a nice touch—super convenient to adjust the fan speed without getting up. I usually keep it around level 6 or 7, which gives me a great balance between airflow and noise. Also worth mentioning: it’s energy-efficient. I’ve seen a slight dip in my electricity bill since I started using it, probably because my AC isn’t working as hard to cool the room. Overall, this booster fan has exceeded my expectations. If you have a room that’s always hotter or colder than the rest of your house, especially one that gets a lot of sun, I highly recommend giving this a try. It’s affordable, effective, and makes a noticeable difference!

## Features

- Quiet Register Booster Fan: A quiet fan system designed for improving wall and floor vents airflow from HVAC systems to increase home comfort.
- New Upgraded Remote Control: Remotely adjust the fan speed(0-10 level）to meet user different needs and make a perfect balance between noise and comfort. No need to get up, More convenient.
- Affordable: Compared to large-scale air conditioning and cooling devices, booster fans are relatively inexpensive and affordable, making them accessible to ordinary households.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BS6H6XV2 |
| Air Flow Capacity | 120 Cubic Feet Per Minute |
| Blade Length | 10 Inches |
| Brand | BIOWIND |
| Brand Name | BIOWIND |
| Collection Name | AirBoost T4 |
| Color | White |
| Colour | White |
| Connector Type | Standard AC power connector |
| Control Method | Remote |
| Controller Type | Remote Control |
| Customer Reviews | 4.4 out of 5 stars 1,582 Reviews |
| Electric Fan Design | Exhaust Fan |
| Electric fan design | Exhaust Fan |
| Finish Type | "Glossy White" or "Matte White" |
| Form Factor | Rectangular |
| Included Components | Remote |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Wall Mounted |
| Is Electric | Yes |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 5D x 29.3W x 14H centimeters |
| Item Weight | 2.05 Pounds |
| Main Power Connector Type | Standard AC power connector |
| Manufacturer | BIOWIND |
| Material | Acrylonitrile Butadiene Styrene |
| Model Name | AirBoost T4 |
| Model Number | AirBoost T4 |
| Mounting Type | Wall Mount |
| Noise Level | 16 Decibels |
| Number of Blades | 7 |
| Number of Packs | 1 |
| Number of Power Levels | 10 |
| Number of Speeds | 11 |
| Power Source | Corded Electric |
| Power source | Corded Electric |
| Product dimensions | 5D x 29.3W x 14H centimeters |
| Recommended Uses For Product | Cooling |
| Room Type | Home Office |
| Size | 4" x 10" |
| Special Features | Remote Controlled |
| Specification Met | CE |
| Speed | 10 RPM |
| Style | Modern |
| Switch Type | Remote |
| Theme | Cooling |
| Unit Count | 1.0 Count |
| Voltage | 100 Volts |
| Wattage | 6 watts |

## Product Details

- **Brand:** BIOWIND
- **Colour:** White
- **Electric fan design:** Exhaust Fan
- **Mounting type:** Wall Mount
- **Power source:** Corded Electric
- **Product dimensions:** 5D x 29.3W x 14H centimeters
- **Recommended uses for product:** Cooling
- **Room type:** Home Office
- **Special features:** Remote Controlled
- **Style:** Modern

## Images

![BIOWIND Smart Register Vent, Quiet Register Booster Fan Fits 4'' x 10'' Register Holes with Remote Control and Thermostat Control, Heating Cooling Ventilation Air Vent Fan - White - Image 1](https://m.media-amazon.com/images/I/61XdWKBtV9L.jpg)
![BIOWIND Smart Register Vent, Quiet Register Booster Fan Fits 4'' x 10'' Register Holes with Remote Control and Thermostat Control, Heating Cooling Ventilation Air Vent Fan - White - Image 2](https://m.media-amazon.com/images/I/81CEe0oV1ZL.jpg)
![BIOWIND Smart Register Vent, Quiet Register Booster Fan Fits 4'' x 10'' Register Holes with Remote Control and Thermostat Control, Heating Cooling Ventilation Air Vent Fan - White - Image 3](https://m.media-amazon.com/images/I/7144GAMh4yL.jpg)
![BIOWIND Smart Register Vent, Quiet Register Booster Fan Fits 4'' x 10'' Register Holes with Remote Control and Thermostat Control, Heating Cooling Ventilation Air Vent Fan - White - Image 4](https://m.media-amazon.com/images/I/81qRjv2LIPL.jpg)
![BIOWIND Smart Register Vent, Quiet Register Booster Fan Fits 4'' x 10'' Register Holes with Remote Control and Thermostat Control, Heating Cooling Ventilation Air Vent Fan - White - Image 5](https://m.media-amazon.com/images/I/81Zbgph5u+L.jpg)

## Questions & Answers

**Q: could you put in on a window ac?**
A: No, it’s made for an ac register

**Q: can i install it on window?**
A: I wouldn't use window to hold it in place but I don't see why you couldn't use it in window.

**Q: The plug felt pretty hot after this was running for a while.  Is that normal?**
A: Mine didn't feel hot so probably you should contact customer service for help

**Q: Will the duct fan turn on or off automatically?**
A: The duct booster fan will automatically turn on or off based on the temperature of the air in the duct.　It has a heating setting and a cooling setting.　when the air in the duct rises to the heating set-point or drops below the cooling set-point, the device turns on and runs.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Register Booster Fan – Noticeable Improvement in Room Comfort
*by M***I on 29 December 2025*

I installed this register booster fan to help with uneven heating/cooling in one of our rooms, and it has made a noticeable difference. Installation was very straightforward — it dropped right into the existing floor vent and plugged into a nearby outlet with no modifications needed. Once running, the airflow increase was immediate. The room now reaches temperature much faster compared to before, especially during colder days. On lower speed settings, the fan is very quiet and barely noticeable. Higher speeds do create some noise, but it’s still reasonable and expected for the amount of airflow it delivers. I also like that it turns on and off automatically based on temperature (if your model has a thermostat), so it only runs when needed and doesn’t feel wasteful. Build quality feels solid and the fan sits flush with the register, so it doesn’t look out of place. Overall, this is a great solution for rooms that don’t get enough airflow, and I would definitely recommend it.

### ⭐⭐⭐⭐⭐ Game-Changer for My Sun-Drenched South-Facing Room
*by S***. on 11 August 2025*

I've been using the BIOWIND Quiet Register Booster Fan for just over a month now, and I have to say—this little device has made a *huge* difference in my home comfort. My room faces south and gets blasted with sunlight all day, making it one of the warmest rooms in the house, especially during summer. Despite having central AC, the airflow to this room was always weak, and the temperature was noticeably higher than the rest of the house. Enter the BIOWIND booster fan. Installation was super easy—just plug and play into my 4" x 10" floor register. The compact design fits perfectly and doesn’t stick out awkwardly. What impressed me most is how *quiet* it is. Even at higher speeds, it’s barely noticeable, which is a big plus since I use it in my bedroom. The smart thermostat feature is brilliant. It automatically kicks in when the room starts heating up and helps pull in cool air even after the HVAC shuts off. I’ve noticed a much more consistent temperature throughout the day, and the room no longer feels like a sauna by mid-afternoon. The remote control is a nice touch—super convenient to adjust the fan speed without getting up. I usually keep it around level 6 or 7, which gives me a great balance between airflow and noise. Also worth mentioning: it’s energy-efficient. I’ve seen a slight dip in my electricity bill since I started using it, probably because my AC isn’t working as hard to cool the room. Overall, this booster fan has exceeded my expectations. If you have a room that’s always hotter or colder than the rest of your house, especially one that gets a lot of sun, I highly recommend giving this a try. It’s affordable, effective, and makes a noticeable difference!

### ⭐⭐⭐⭐⭐ Easy set up, reliable temperature controls and operation, reasonable noise level
*by C***R on 12 July 2026*

The register booster installed easy. I did read the manual but honestly it came ready to plug and play in two minutes. The on and off temps were easy to set and it has a feature to work in cold only (summer) or heat only (winter). It also has a speed adjustment which I like. The box is in our living room and although the 10 provides good airflow I find that the 5 setting still makes a difference but is quiet enough that it does not disturb our tv viewing. It fit perfectly in my vent and worked right out of the box. The thing with a register booster is that it does need to plug into the wall to operate so you have a cord that runs from the register to the baseboard and up to the socket. It's best if your register is near a wall that has a socket although it is low voltage so it's not like your extension cord needed to be a special guage.

## Frequently Bought Together

- BIOWIND Quiet Register Booster Fan Fits 4" x 10" Register Holes, 10-Speed Smart Heating Cooling AC Vent Fan with Remote Control and Thermostat Control - White
- Home Intuition Heat and Air Vent Deflector 8.5" to 15" Magnetic Non Melting Adjustable for Vents, Sidewall, and Ceiling Registers, 2 Pack

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-27*