Make the most of your HVAC system with an Inline duct fan – Hon&Guan

Make the most of your HVAC system with an Inline duct fan

The acronym "HVAC" stands for heating, ventilation, and air conditioning. HVAC is all about controlling the temperature in a small space so that it meets the needs of the people or things inside.

This system heats and cools both residential and commercial buildings. HVAC systems can be found in everything from single-family homes to submarines, where they provide the means for environmental comfort. These systems are becoming more and more common in new buildings because they use fresh air from outside to keep the air inside clean.

It is the process of moving or replacing air in a space. Taking away moisture, smoke, odors, heat, dust and other things that make the air smell bad and make it hot or cold, as well as controlling the temperature and adding oxygen to the air, is what this is all about. HVAC systems use mechanical, electrical, and I & C components to make people feel comfortable in a building or space, or to keep things like goods, products, and other things that are in the space safe.

Depending on how the HVAC is designed, cooling systems and heating systems may be combined or these may be separate. It also helps keep the machinery running on a large scale. The HVAC system helps keep a certain temperature in a space/hall/room where machines are installed. An important part of any industry is having water chillers that can meet its needs.

The basic parts of an HVAC system:

  1. A generator that makes hot water
  2. Cold water pumps
  3. A control centre for electrical power supply or for motor control (MCC)
  4. Air conditioners: For example, there is piping for both chilled and cool water, or water that goes to the condenser side of the water.
  5. Cold water and hot water valves
  6. Heating coils and cooling coils are in the air handling units (AHU).
  7. As for the ventilation system, there are many ducts (supply ducts and return ducts)
  8. Ducts and grills in the HVAC system
  9. HVAC controls (instrumentation and control parts) are installed in different places.
  10. HVAC software for controlling the heating and air conditioning in a building or for managing a building (BMS)

As a whole, how does an HVAC system work?

Three of the main functions of an air conditioner or heat pump are linked together, especially when it comes to providing good indoor air quality and comfortable temperatures. It can be hard to figure out how heating and air conditioning system works, but if it doesn't work, you'll know right away. An HVAC system has nine parts that you need to know about. These are the air return and filter; the ducts; the electrical elements; the outdoor unit; compressor, coils and blower; and so on.

Air return:

In your home, your air return is the part of your system that starts the ventilation process. This return takes in air, passes it through a filter, and then sends it into the rest of the machine. The best way to keep your filters clean is to keep your returns clean. Debris and dust can quickly build up on them.


It is the second part of the air return that air goes through. It is important to make sure to change your filters often to keep your system running at its best.

Outlets for Exhaust:

Another part of your system is the exhaust outlets, which are where the exhaust from your heating system is pushed out of the house. Check your chimney flue or vent stack once a year and fix it if it needs it.

An Outdoor Unit:

This is likely the part of your system that comes to mind when someone talks about an HVAC system. The fan that moves air is in the outside unit. It can be dangerous for plants to get sucked into your fan if they get caught in the blades. Keep your unit free of debris and vegetation.


When the compressor is part of the outdoor unit, it turns refrigerant from a gas to a liquid and sends it to the coils, which are outside. It is a good idea to check your compressor if something doesn't work the way you expect. When things don't work out, it's often the reason for them.


In most cases, coils are another part of the outdoor unit. They help cool the air as it moves through them with a little help from the refrigerant. It is advisable to check your coils once a year.

However, an inline duct fan runs more quietly and moves more air. It's likely you'll need to cool a lot of space or have a specific use for an inline duct fan, like in an AV closet. Inline duct fans can also be used to keep the humidity down. You can use less energy and set up a booster fan more quickly than you can with a normal fan. It's louder and not as powerful. A booster fan, on the other hand, can most likely be set up without the help of an electrician, which will save you money.

1. Hon&Guan 6-Inch Metal Inline Duct Booster Fan

Using the Active Air Inline Booster Fans to boost airflow and remove ventilation exhaust from your grow room is a great way to get the job done, no matter what. It comes in 2 different sizes "models that are 4"、6" are also there. 


Improved air flow can be used wherever that would benefit from reduced humidity, clearer air, and lower temperatures, such as grow rooms, basements, and kitchens.

 It is possible to utilize it in conjunction with a variable speed controller (bought separately). It is lightweight and can be set up almost anywhere.

Helps with air delivery issues in ducts that run a long way. With the low wattage: 15W (ACFB6), 37W Pros:

 Ceramic-coated metal housing is very durable.

 UL-approved parts

A high-quality impeller was moulded.

The noise level is quite low.


Speed control is not included.

This isn't strong enough for excessive usage.

2. Hon&Guan 4 Inch Ultra Silent Inline Fan with Wireless Controller

TheHon&Guan 4 Inch Ultra Silent Inline Fan is a mixed flow design, inline duct fan that can be used for a wide range of ventilation needs. It’s main use is to get rid of air through ducting. You can use it to get rid of smells in grow tents or indoor gardens with Activated Charcoal Carbon Filters in them. Noisy environment can make people feel irritable, if you want to know more about noise, you can read this article: How to Reduce Inline Fans Noise?


It's best to put this unit with a carbon filter near its duct collar so that the fan can be attached to it as close to the filter as possible.

Keep the number of elbows or turns in the ducting as low as you can. Each turn or elbow in ducting cuts the airflow output by 10 to 12 percent.

This inline fan has a central part that can be removed for easier maintenance and cleaning. To get the central section of the fan out, you'll need to pry up and remove two grey buckles on the top of the unit.

Then, twist the central section by 30° while keeping the side shrouds in place.


It is made of ABS Plastic.

It weighs just 6.17Lbs, so it's very light.

It comes with a built-in speed controller.


It costs a little more than other things.

3. Hon&Guan 4 Inch Exhaust Fan with Grille 55 CFM

In grow tents/rooms, this is a great way to keep things cool and dry. A powerful blower with a fan speed of 2100RPM that moves 55 CFM of air. It moves air through your target area quickly and efficiently for optimal ventilation.


Fitted with a flow deflector that concentrates the fan stream and reduces the noise level to just 30dB.

There are flanges on both the inlet and outlet ends, which makes it easy to connect. A cord length of 5.9 feet also makes it easy to set up.

Lightweight, the small fan takes up very little space; For situations where bigger fans won't fit, this is the best inline duct fan. The flow deflector feature is very good at increasing airflow and cutting noise.


Engineered to get the most boost with the least noise.

The motor has a bearing that is always lubricated, so it runs very quietly and doesn't need to be serviced.

Fix air delivery problems without major system changes or costs.

Can be used in any place, like bathrooms, attics, grow rooms for better airflow.


It doesn't come in a lot of sizes.

 It doesn't work for very long with carbon paper


In a heating and cooling system, multiple types of equipment work together to provide heating, cooling, and indoor climate management. You may have considered an inline duct fan to boost your home's heating and cooling system. Your HVAC system probably works hard but not necessarily smart.

If an inline duct fan is what you need, we've put together a list of some of the best ones in the article.





Sold Out