---
product_id: 521905300
title: "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"
brand: "biowind"
price: "€ 111.75"
currency: EUR
in_stock: true
category: "Biowind"
url: https://www.desertcart.hr/products/521905300-biowind-quiet-register-booster-fan-fits-4-x-10-register
store_origin: HR
region: Croatia
---

# 140 CFM airflow 16 dBA ultra-quiet 10-speed remote control 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

**Brand:** biowind
**Price:** € 111.75
**Availability:** ✅ In Stock

## Summary

> 💨 Upgrade your airflow game—comfort that’s smart, silent, and stylish!

## Quick Answers

- **What is this?** 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 by biowind
- **How much does it cost?** € 111.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/521905300-biowind-quiet-register-booster-fan-fits-4-x-10-register)

## 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

- • **Energy-Smart Efficiency:** Maximize HVAC output while cutting energy costs with intelligent airflow circulation.
- • **Sleek & Seamless Design:** Premium anodized aluminum frame with CNC-machined details blends flawlessly with modern interiors.
- • **Remote-Controlled Comfort:** Adjust 10 fan speeds from anywhere with the intuitive remote—comfort at your fingertips.
- • **Whisper-Quiet Performance:** Advanced fan balancing and noise screening deliver powerful airflow without the noise.
- • **Effortless Climate Control:** Smart temperature sensor & programmable LED controller keep every room perfectly balanced.

## Overview

The BIOWIND AirBoost T4 Register Booster Fan fits 4"x10" vents, delivering 140 CFM airflow at a whisper-quiet 16 dBA. Featuring a smart temperature sensor, programmable LED controller, and 10-speed remote control, it balances room temperatures efficiently while saving energy. Its premium anodized aluminum frame offers a sleek, modern look, making it an easy, cost-effective upgrade for any home HVAC system.

## Description

Buy 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: Ventilation Fans - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- 2026 Fan Stability Upgrade: Built with dynamic fan balancing, motor start-up verification, and noise & vibration screening to support smoother airflow, quieter operation, and long-term reliability.
- Quiet Register Booster Fan: A quiet fan system designed to improve airflow from wall and floor vents in HVAC systems, helping increase home comfort. Built with a premium anodized aluminum frame and CNC-machined details, it offers a sleek, flush, and modern appearance that blends seamlessly with your home decor.
- Eliminate Uneven Room Temperatures: The Biowind smart register vent features a programmable LED controller and a high-precision temperature sensor that works with your HVAC system. It automatically turns the vent fan on or off to deliver warm or cool air to rooms at the right time, helping maintain balanced temperatures throughout your home.
- New Upgraded Remote Control: Easily adjust the fan speed (0–10 levels) with the remote to meet diverse user needs and achieve the perfect balance between airflow performance and quiet operation. Control your comfort without getting up, simple and convenient.
- Energy-Saving & Cost-Effective: This vent booster fan is more energy-efficient than traditional air-conditioning or cooling devices. By enhancing airflow and circulation, maximize the heating or cooling from your HVAC system with minimum energy. Even after your HVAC system shuts off, the fan continues running briefly to pull remaining warm or cool air into the room—helping you save energy and reduce electricity costs.
- Compact & Easy to Install: The Biowind smart register booster fan features a compact design that is easy to install and move when needed. Fits ONLY 4" x 10" duct opening (cutout) | Rated Power: 6W | AC Input: 100 to 240V | Airflow: 140 CFM | Noise: 16 dBA. Includes wall adapter, plug and play for quick setup.
- Affordable Comfort Upgrade: Compared with large air conditioning or cooling systems, booster fans are a simple and affordable solution for improving airflow and indoor comfort, making them accessible for most households.
- Please Measure Before Ordering: Please measure the duct opening (cutout) before ordering, not the old vent cover. The listed size refers to the actual duct opening in the wall or floor. The neck of the register booster fan fits inside the opening, while the face frame sits on top of the wall or floor surface. Measuring correctly helps ensure the best fit and helps avoid unnecessary returns. Listed Size: 4" × 10", Neck Size: 9.72" × 3.93", Face Size: 11.54" × 5.51", Neck Insertion Depth: 1.96".

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BS6H6XV2 |
| Air Flow Capacity | 140 Cubic Feet Per Minute |
| Best Sellers Rank | #948 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Household Ventilation Fans |
| Blade Material | Plastic |
| Brand Name | BIOWIND |
| Collection Name | AirBoost T4 |
| Color | White |
| Connector Type | Standard AC power connector |
| Control Method | Remote |
| Controller Type | Button Control |
| Customer Reviews | 4.3 4.3 out of 5 stars (2,469) |
| Electric Fan Design | Exhaust Fan |
| Finish Type | "Glossy White" or "Matte White" |
| Form Factor | Rectangular |
| Included Components | Cord, Remote |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Floor Mount, Wall Mount |
| Is Electric | Yes |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 1.96"D x 11.54"W x 5.51"H |
| Item Weight | 2.05 Pounds |
| Main Power Connector Type | Standard AC power connector |
| Manufacturer | BIOWIND |
| Material | Aluminum |
| Model Name | AirBoost T4 |
| Model Number | AirBoost T4 |
| Mounting Type | Floor Mount, Wall Mount |
| Noise Level | 16 Decibels |
| Number of Blades | 7 |
| Number of Power Levels | 10 |
| Number of Speeds | 11 |
| Power Source | Corded Electric |
| Recommended Uses For Product | Indoor |
| Room Type | Bedroom, Dining Room, Home Office, Kids Room, Living Room |
| Size | 4" x 10" |
| Smart Home Compatibility | Smart Home Compatible |
| Special Features | Remote Controlled |
| Specification Met | CE |
| Speed | 10 RPM |
| Style | Modern |
| Switch Type | Remote Control |
| Theme | Modern |
| Unit Count | 1.0 Count |
| Voltage | 100 Volts |
| Wattage | 6 watts |

## Product Details

- **Brand:** BIOWIND
- **Color:** White
- **Electric fan design:** Exhaust Fan
- **Mounting Type:** Floor Mount, Wall Mount
- **Power Source:** Corded Electric
- **Product Dimensions:** 1.96"D x 11.54"W x 5.51"H
- **Recommended Uses For Product:** Indoor
- **Room Type:** Bedroom, Dining Room, Home Office, Kids Room, Living Room
- **Special Feature:** Remote Controlled
- **Style:** Modern

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61XdWKBtV9L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## 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.

## 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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**Shop now:** [https://www.desertcart.hr/products/521905300-biowind-quiet-register-booster-fan-fits-4-x-10-register](https://www.desertcart.hr/products/521905300-biowind-quiet-register-booster-fan-fits-4-x-10-register)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-08*