Best Register Booster Fan Review in 2020 – New Guide

Register Booster Fan Reviews

LAST UPDATED: January 13th, 2021

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A good ventilation system in a room is important to ensure the comfort of the people in it, and booster fans are a big part of it because they help in spreading the air in the whole room to maintain the same temperature everywhere.

That’s why getting a great booster fan is crucial as you have to make sure that it will perform excellently.

While there are a lot of products like this out in the market, not all will give you the performance that you need.

This review will talk about 10 of the register booster fans out in the market to help you decide if they are what you need

Best Register Booster Fan Comparison

Last update on 2021-01-26 / Affiliate links / Images from Amazon Product Advertising API

Top 10 Register Booster Fan Review in 2021

Best Register Booster Fan

If we are going to talk about all of the booster fans out in the market, you’ll probably spend your whole day reading this review.

So, we have chosen the best ones, and we’ll talk about them here. Let’s find out which among them will be best suited for your needs.

Suncourt Equalizer EQ2

Suncourt Equalizer EQ2

This model is one of the most popular picks. It is ideal for wall or floor registers and can be placed over a standard 6 x 12-inch floor register or smaller and can be plugged into a 110V outlet.

For wall vents, it is also easy to install with just four screws. Although, you should take note that it is not recommended for ceiling registers.

One of the good points of this product is its built-in adjustable thermostat, as well as its ability to automatically switch on when airflow is sensed.

Aside from that, it also saves money on heating and cooling bills. It is energy efficient as it only uses 20 watts to operate.

When planning to buy this particular model, you should take into account that it has a polarized plug. This means that one of its blades is wider than the other. Therefore, this is not intended to be used in non-polarized outlets.

Inside the box, you will be provided with the product itself and an owner’s manual, which might come in handy when assembling it.

The product weighs 2.25 lbs with its length at 12 inches, width at 6 ¼ inches, and height at 3 ¼ inches. For its very affordable price and its great features, this device is definitely a steal.


  • Easy to use and install
  • Affordable price point
  • Can save up on your heating and cooling bills
  • It already has a built-in adjustable thermostat
  • Works automatically when it senses airflow
  • Can be used for all seasons


  • Can be difficult to clean due to its built
  • Using the product for ceiling registers is not recommended
  • Can’t be used in non-polarized outlets

Tjernlund AS1 AireShare

Tjernlund AS1 AireShare

This is another good option that you have if you are looking for something durable. Its housing material is made of galvanized steel, and its wheel and frame material ismade of aluminum.

It is perfect for space heaters, wood stoves, fireplaces, and split system applications. And it also includes a white intake grille and a supply diffuser which can be mounted either high or low on the wall.

You can also choose between a hard-wired version if you want to activate it off of a wall switch or thermostat, or you may opt for the plug-in version with a switch on the unit itself.

The product weighs 9.7 lbs, which might be a bit heavy as compared to others but the materials used in it are very durable. Its length is 14 inches, and its width is 18 inches, with a height of 9 inches.

It is also quite easy to install with the help of hand tools. The kit comes with a cutting diagram to make the proper cuts on the sides of the wall, too.

The downside is that it requires installation near an outlet and it is not advisable to install this device into an exterior wall, a fire-rated wall or in the ceiling. So, if you are looking for a durable booster fan for a reasonable price, you should go for this one.


  • Made of good quality materials that make it durable
  • Option to choose between a hard-wired version or a plug-in version
  • Compact, straightforward, and easy to install
  • A white grille and diffuser are already included


  • The device should be installed near an outlet
  • Can’t be installed in outside walls and ceilings

Related Guide: Deck Screw Gun Reviews

Cyclone 9004150

Cyclone 9004150

If you are looking for something affordable and functional, then this might be the match for you. This model is perfect for boosting the idle air from the vents outward into the rooms where it is needed.

The product itself weighs 3.4 lbs and fits into any 3 x 10 inch as well as any 4 x 10-inch register boot opening. It also can be installed easily.

One good point of this product is its built-in 45-degree turning vanes. These will guide air to the center of the room. It also features sturdy steel construction and a grounded 6 feet power cord.

You may also choose whether you want it to operate manually or automatically with its built-in sensor. This means that it senses heated or cooled air and turns the fan on and off automatically, which saves a lot of energy. Expect it to work well with all types of seasons.

It is also great news that it only needs 20 watts to operate. So, if you love saving energy and money for your bills, then you’ll love this model. Equipped with a crossflow blower, it is quiet, and it has no buzzing sounds like most fans.


  • Does its job well at an affordable price
  • Lightweight and fits into both 3 x 10 inch and 4 x 10-inch register boot opening and can be installed easily
  • Has 45-degree turning vanes
  • Can be operated manually or automatically due to its built-in sensor
  • Good for all seasons
  • Energy-efficient as it only needs 20 watts to operate


  • Difficult to adjust the unit
  • You cannot set your desired specific temperature
  • It only has one speedoption, so you can’t adjust it

Tjernlund RB10

Tjernlund RB10

Another option you might want to consider is this very straightforward model. This register fan installs directly into your floor and delivers hot or cold air from your HVAC system.

It is very easy to install, and it only takes a few minutes. No hard-wiring is required because you only need to plug the attached 6-foot power cord into the nearest electrical outlet. It can also be installed into existing register boosts.

The product itself weighs 3 lbs, very lightweight but durable due to its all-metal construction. It is also available with white or brown colored floor grilles. They have models that fit both 4 x 10 inches and 4 x 12 inches register.

Inside its box are the product itself, the main unit grille, diffuser, and mounting hardware.
The fan is equipped with a cross-flow blower, which enables the fan to be 50% quieter and eliminates buzzing that can be heard from typical booster fans.

It also has an on/off toggle switch beneath its grille which will turn the unit completely off when you don’t need or want it to be running. But do note that everything is manual, and it has no temperature sensor for automatic on/off.

So, if you want a durable and functional booster fan and don’t mind switching it on and off manually, then you’ll probably love this one.


  • Very easy installation and installs directly into your floor
  • Can be installed into existing register boosts
  • Does not require hard-wiring
  • Lightweight but durable with its all-metal construction
  • 50% quieter compared to typical booster fans
  • It has an on/off toggle switch


  • It has an on/off toggle switch

Air Flow Breeze ULTRA

Air Flow Breeze ULTRA

Looking for a booster fan that has its own remote control? If so, this will be something you’ll definitely love. You can place this unit on your floor, wall, or ceiling vent then plug in to help move more air.

It is also very easy to install or set up as you only need to slide it directly into the floor register opening then plug into a standard outlet.

This booster fan will fit any register opening that measures 6 x 10 inches or 6 x 12 inches. It weighs 2.8 lbs, which is fairly light.

One of its good features is having its own remote control and thermostat control. Once plugged in, you program the settings using the included remote. Its programming is quite easy and also well-explained. The remote is small and well-labeled as well.

It also has a 3-speed adjustable fan setting with automatic shut off. Aside from that, it uses 2 low-voltage fans to move the air quietly. They are also energy efficient and claim to cost less than $5 a year to operate, which seems reasonable.

Moreover, it automatically turns on when it senses heat or the air conditioner on. You can also tell it when to turn off, which is a good feature to have as well.

Although one downside is that its price could be expensive if you would compare it to other register booster fans in the market.


  • Easy to install or set up, no assembly is needed
  • Has its own remote control and thermostat control
  • Remote is small and well-labeled
  • Has a 3-speed adjustable fan setting
  • Moves air quietly
  • Energy efficient
  • Automatically turns on as it senses heat or AC and you can tell it when to turn off


  • Price is quite expensive compared to most register booster fans

Suncourt Flush Fit HC500

Suncourt Flush Fit HC500

It is another booster fan from Suncourt, which does a great job of improving a room’s circulation and comfort. This unit can help in enhancing the performance of your existing air conditioner and heating system as it can boost airflow up to 85%. With this, you’ll surely be more comfortable in your room.

Aside from that, it also operates quietly, with its 3-speed dual fans increasing airflow without any excess noise.

Moreover, the product also comes with a smart sensor that detects temperature change and automatically starts when it does.

They are also made to stop automatically when it detects ambient temperature. So all you have to do is to set your desired fan speed as well as temperature.

This unit is also very easy to install, although, one thing to take note about it is that it only fits the standard 4 x 10-inch register.

The good thing is that they have their own adaptor that is available to purchase if you want to install it into larger sizes. Ceiling installation is not recommended, though.

Another great feature of this particular brand is that it is energy efficient. You won’t have to spend a lot of money to maximize your heating or air conditioning system.

The unit is available in either white or brown color. Inside its box, it comes with a power adaptor and installation instructions.


  • Boosts airflow up to 85%
  • Operates quietly
  • Has a smart sensor to automatically start/stop the unit
  • Easy to install
  • Comes with adaptor for larger sizes (other than 4 x 10 inches)
  • Energy efficient


  • Can only fit the standard 4 x 10 inch register and will cost you an extra for the adaptor
  • Not recommended for ceiling vents

AC Infinity AIRTAP T4

AC Infinity AIRTAP T4

Are you looking for a booster fan that has a smart programming system? In that case, the AIRTAP T4 will probably make you delighted! This unit actually has an LCD thermal controller that automatically adjusts airflow strength in response to heating and cooling temperatures you have set.

Aside from the temperature display, it also features an easy power on/off as well as back up memory. It also has automated fan speeds, and if you are concerned about noise, you don’t have to worry as it operates quietly.

Its build is also very good. The mounting frame is constructed of premium aluminum with CNC-machined detailing and is painted with a mattewhite finish, which gives it a professional appearance.

It also has PWM-controlled stator blade fans, which are designed for high static pressure applications.

Upon purchase, it includes the fan unit, user manual, thermal probe, and everything needed to secure the unit into an existing register opening and power it through an outlet. Plus, it is very easy to install on wall or floor registers.

What’s more, is that it can help you save energy costs while increasing comfort. The unit itself also weighs 2 lbs only, which is already quite light compared to the other brands. One downside, though, is that it only fits into 4 x 10-inch standard registers.


  • Equipped with an LCD thermal controller
  • Features easy power on/off and back up memory
  • Automated fan speeds
  • Operates quietly
  • Made of materials that have good quality
  • Has PWM-controlled stator blade fans
  • Easy to install on floor and wall registers
  • Energy efficient


  • Not recommended for ceiling installation
  • Not recommended for ceiling installation

Tjernlund CBBL CM-300

Tjernlund CBBL CM-300

This unit is a good choice for people who do are not good at complicated installations because it is very easy to install.

You can simply drop it into any 3 x 10 inch or 4 x 10-inch register boot opening and plug it in. Take note that it does not need an external power supply, which makes it even more convenient.

You also wouldn’t have issues with its durability and quality, as it is very sturdy and is made out of steel and has a grounded power cord. It weighs 3.25 lbs and also has built-in 45 degree turning vanes which help guide air to the center of the room.

The unit also includes a 20-watt low energy crossflow blower, which means it can operate quietly, without the annoying buzzing sounds. It can help you save energy as well by getting air to where you really want it to be.

Aside from those, you may also choose whether you want to operate it manually or automatically. Its built-in sensor will help draw more heat into the room that gets too cold during winter and help draw more air conditioning into the room that gets too hot during summer.


  • Easy to install and takes only a few minutes
  • Very convenient plug and play unit
  • Very convenient plug and play unit
  • Has its built-in 45 degree turning vanes that help guide air towards the center of the room
  • Can operate quietly, thanks to its 20-watt low energy crossflow blower
  • Energy efficient
  • You may choose between manual or automatic operation
  • You may choose between manual or automatic operation


  • Since the electric cord used in this unit is heavy-duty, it is quite thick and bulky
  • Only fits 3 x 10 inch or 4 x 10 inch register boot openings

Cyclone 9004151

Cyclone 9004151

The booster fan will help you make your home more comfortable by getting air to where you really want it to be at.

This 3-pound unit won’t fail your expectations when it comes to durability as it features a sturdy steel construction as well as a grounded power cord.

Aside from that, it is also very easy to install and will perfectly fit any register boot opening that is 3 x 10 inches or 4 x 10 inches.

It’s best used for floor registers but can also be used on wall registers. It is not recommended for use on ceiling registers, though.

Another good point that this product has is its built-in 45-degree turning vanes. These will help in guiding air towards the center of the room.

You also have the option of whether you want it to operate manually or automatically with its built-in sensor.

Having its own sensor means that it will sense heated or cooled air and will turn the fan on and off automatically. This will save a lot of energy. It also works well with all types of seasons.

On top of all these, it is equipped with a 20-watt low energy crossflow blower. This means you wouldn’t have to worry about it being noisy.


  • Good built, made of sturdy steel and has grounded power cord
  • Easy installation
  • Has 45 degree turning vanes which helps guide air towards the center of the room
  • You can choose to operate it manually or automatically
  • Has a built-in sensor
  • Helps in saving energy
  • Works well with all types of seasons


  • Can only fit either 3 x 10 inches or 4 x 10 inches register boot opening
  • Not recommended for ceiling registers

Air Flow 1000-0001

Air Flow 1000-0001

The unit is ideal for use in rooms with vents located on the floor or at the base of a wall. This booster fan will surely help you in increasing airflow into a poorly vented area.

It is also safe for children and pets, which is a good point to take note of if you’re looking for kid-friendly and pet-friendly products.

One good thing about this unit is that it is very easy and simple to install as well as to operate. You can simply install it to replace your existing vent.

First, turn the knob to warm or cool and then select your desired speed setting. After these, your booster fan is ready to be placed in your existing vent opening. As simple as that!

The product is fairly light and is made of flame-retardant plastic. Its size fits the standard 4 x 10 inch register boot opening. The power cord length of this unit is 6 feet, which is also fairly long.

It is also equipped with built-in temperature sensors which activate the unit for increased warm or cool air. Power consumption is at 8 watts only that makes it truly energy efficient. With this, you won’t have to worry about paying a lot to operate.


  • Safe for children and pets
  • Installation is simple and easy
  • Easy to operate
  • You can select between three speed settings (slow, medium, fast)
  • Has built-in temperature sensors to activate the unit
  • Energy saving


  • Only fits the standard 4 x 10 inch register boot opening
  • Made of plastic which can be less durable compared to those made of steel

What to Look for Before Buying Register Booster Fan?

Looking for what particular unit you want to buy is no easy task. There are tons of register booster fans that are available in the market right now.

But the question is, which one should you get? What are the things that you should look for before purchasing the item? Let’s talk more about that.

Performance and Features

Of course, one of the most important things to consider when purchasing something is its performance. How well will it perform, or how good is its performance when compared to other units?

This is also where your needs come into the picture. What features do you need your booster fan to have for you to be satisfied with its performance?

Do you need it to have temperature sensors? Do you want control over its speed settings? Do you want to turn it on/off manually, or perhaps you prefer it to start automatically?

When buying your own booster fan, it is best to consider this so that you won’t regret your purchase.

Noise Sensitivity

Another thing you might want to consider is how quiet the fan is. After all, it isn’t pleasant to hear a continuous annoying buzzing sound when the unit is in use.

Nowadays, many manufacturers offer fans that perform really well but still work silently. So when it comes to this, it’s best to look for the booster fan that will suit your needs and still be able to operate as quietly as possible.


Who would want their purchase to be put to waste because the unit isn’t durable enough? Everyone wants something that would last for quite some time, and that being said, you should consider the product’s durability when purchasing it.

What materials were used for its body? Is it made of steel or plastic? Looking at things like this will save you time and will make sure that you get the booster fan that will really be useful in the years to come.


Aside from all the above-mentioned considerations, another very important thing to take note of is the unit’s size.

If you will be getting one, of course, you should be sure that it will fit your current register boot opening. Most booster fans fit the standard size 4 x 10 inches, but if you need one in a different size, that’s when you need to look for different options as different units may also offer different sizes.

Easy Installation

Finally, it is also a good idea to choose one that is fairly easy to install, without the need for too many tools. Something that could actually replace your existing unit without a lot of complicated assembling to do. This is especially helpful. Simple installation makes everything easier.

Frequently Asked Questions

What are register booster fans?

These are usually plug-in units that can replace your usual registers and grills. The internal fan helps draw air from the duct and into the room, increasing the pressure and, of course, the heating and cooling to the space you desire.

What are the advantages of using register booster fans?

Most of the register booster fans available are very easy to install, easy to control, and you can buy them at an affordable price point. These are some of the reasons why many people opt to buy them.

What are the disadvantages of using register booster fans?

If there are upsides to using them, there are also downsides in using them. First on the list is that most of them can’t be used on ceilings. Some can’t even be used on walls.

They’ll also cost extra energy usage although most of them don’t really cost so much. Lastly, they might not fit into your current registers.

Do booster fans work as a heater or air conditioner?

No, it doesn’t. From the name itself, booster fans work as “boosters” to your existing central heating and cooling system. Thus, its job is not like a heater or AC, but it helps increase the flow of conditioned air to the room.

What results can I expect?

Under normal conditions, these products can improve the temperature in the room by several degrees. In most cases, that particular room will be at the same temperature as your thermostat setting.

Final Words

Booster fans are indeed a great addition to your ventilation system. We hope that this review gave you an idea about some of the best register booster fans out in the market, which will help you decide on what kind of unit you should get for your home.

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