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💨 Elevate your airflow game—smart, silent, and effortlessly powerful!
The AC Infinity Automatic Duct Fan 100mm is a compact, high-performance inline ventilation fan designed to boost airflow in duct systems. Featuring a smart differential pressure switch, it automatically activates based on duct pressure changes, eliminating manual adjustments. With five PWM-controlled speeds powered by a brushless EC motor, it offers precise, quiet airflow at 230 CFM and 60 dBA noise. Its versatile mounting options and compatibility with UK voltage make it ideal for both residential and industrial HVAC applications.
| Air Flow Capacity | 230 Cubic Feet Per Minute |
| Asin | B0C2W14V6L |
| Best Sellers Rank | 314,483 in DIY & Tools (See Top 100 in DIY & Tools) 639 in Bathroom Fans |
| Blade Length | 4 Inches |
| Brand Name | AC Infinity |
| Collection Name | Home |
| Colour | Black |
| Control Method | App |
| Controller Type | manual |
| Country Of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (125) 4.5 out of 5 stars |
| Electric Fan Design | Exhaust Fan |
| Global Trade Identification Number | 00819137023789 |
| Included Components | Cord |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Inline |
| Is Product Cordless | No |
| Item Dimensions D X W X H | 23.5D x 30.2W x 23.1H centimetres |
| Item Type Name | Duct Fan |
| Item Weight | 2.27 Kilograms |
| Manufacturer | AC Infinity |
| Material | Metal |
| Model Name | Automatic Duct Fan 4" |
| Model Number | AC-BFP4 |
| Motor Type | Brushless |
| Mounting Type | Wall Mount |
| Noise Level | 60 Decibels |
| Number Of Blades | 10 |
| Number Of Power Levels | 5 |
| Number Of Speeds | 5 |
| Part Number | AC-BFP4 |
| Power Source | Corded Electric |
| Recommended Uses For Product | Air Circulation, Cooling, Exhausting |
| Room Type | Bathroom |
| Size | 4 Inches |
| Special Features | Pressure Switch |
| Style | Industrial |
| Switch Type | Toggle |
| Unit Count | 1.0 count |
| Upc | 819137023789 |
| Voltage | 12 Volts |
| Wattage | 31.44 watts |
User
Triggers reliably. Can be used as make up air unit.
Triggers reliably, relatively quiet.I'm using this as a make up air unit for my laundry room. I put the pitot tube on my dryer, while the fan is just behind a damper on an intake duct. Because of the intended use as a booster, this is programmed to shut off for a bit every five minutes to see if there is still flow with the motor off. For my use I wish there was a mode that doesn't need to shut off to sense, as the fan is on a different duct. This is still a very affordable universal make up air unit.
User
Fantastic booster fan
It's a great basic duct booster fan. It's a simple design. Great value!The airflow is great with minimal noise.
User
Easy to use.
This is fairly straightforward to install. I have a basement dryer with a pipe that was ducted far too long, yet the only way it could be ran with this basement layout. I recommend buying a prefilter and installing before this fan in the pipe air flow. I haven't had any issues with it getting stuck on or failing to come on.
User
It works!
It works! Used to boost airflow to far end of house from a concealed duct heat pump. The automatic pressure detect works perfectly. I can even set my heat pump to 1% fan speed and the unit still detects the pressure difference and turns on!Glad i found it. Seems like a better option than the floor register boosters.
User
Recommend great product quite
Very good. Not noisy Automatic great. Boosts under power microwave. No more kitchen smells or false smoke alarms
Trustpilot
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