Inline duct fan is essential equipment if you are growing indoors. Right equipment helps to grow healthier and give more harvest seasons per year. Today we will help you to choose your first inline fan, it is not hard to choose but yet it is confusing. Read below to choose right product according to your plant.


It is very important to maintain the right temperature levels all the time for perfect indoor growing. We all know lights produce heat and the reflective surface of your tent increases the heat level inside the tent. Which is not suitable for many plants, this can burn your plant.

To treat the excess of heat indoor growers use inline fans for ventilation. Actually this a ventilation system for plants that are growing in tents where they do not get fresh air. Proper ventilation removes the carbon dioxide out of the plant and allows fresh air to enter inside. Fresh air gives strength to the stems and leaves as we human beings need fresh air to live, the same rule applies to plant growth they also need clean and fresh air to breathe.

The fresh breeze helps to prevent several problems like mold, mites, rot etc


Choosing a right size fan is an easy process. Everything is described here read carefully

and choose well.

First of all, consider the area where you want to use it or the size of the is you want to ventilate by the duct fan.

CFM: It stands for “cubic feet per minute” this means the amount of air a fan can through in a minute.


This formula helps you to calculate the right amount of CFM you need and then you can choose right product according to CFM.

LENGHT x WIDTH x HEIGHT OF GROW AREA (unit in feet). than multiplied it by 125% (or with 1.25).

If you have a limited budget to spend on inline duct fan do the following to get minimum CFM ratings.

Do the above calculation and divide it by number 3.

IT also depends upon which type of light technology you are using because some lights produce more heat energy than others. Identify the amount of heat emitted by your light then choose the higher GFM rating inline fan.

Choose the diameter according to your growing area but in case you are unable to calculate we advise you to choose 6 inches,4 inches, 8 inches. These are the common type of setups normally found everywhere.


Scroll the list below and read a review on each branded and top-selling perfect duct fan.

Can Fan Pro Series Inline Fans

inline duct fan
inline duct fan

Can Fan Pro series is a line of effective and durable duct fans. They made all high-quality inline fan. Fiberglass material gives extra strength to plastic components. The company claimed that they consume less energy and run smoother than Max fans. All the components meet UL and CSA requirements. Here are the ratings. 6 inches fan 420CFM whereas 8 inches 863 CFM. Both come with 3-speed control options. Which make it easy to adjust the speed according to the growth cycle.

VIVOSUN 8 inches 720 CFM inline duct fan.

duct fan
duct fan

Energy efficient fan for ventilation runs at speed of 2450 rpm. This is quite high speed and little noise at this RPM is normal. But still, company make great efforts to lower down the noise level. VIVOSUN never compromise with the quality of the product so if you are choosing vivosun fan you are choosing better quality.

It only needs 1.6 amperes of electric current at the voltage of 110/120 volts. If we talk in watts it is of total 190 watts (powerful motor at this size). durable plastic fan holding sockets which can easily handle this weight. Variable speed controls to adjust it when needed. Removable duct ends for easy cleaning.

APOLLO horticulture 4 inches speed controller duct fan

inline duct fan

APOLLO Horticulture is the manufacturer of indoor grow equipment. They make latest products at low prices as much as possible. This is their another ventilation fan use to remove smell, carbon and other odors from the space. The fan is designed to give maximum durability.

Energy saving technology with low noise fan motor. A built-in speed controller to adjust the speed according to present conditions. Good quality of plastic is used so that you and your pant can breathe easily without any harmful effect.

Voltage: 115AC, power in watts 35W, current consumption: 0.13amps, 2500 RPM.

VenTech VT inline Duct Fan With Charcoal Carbon Filter

inline fan

VenTech Fan is a superior quality fan for indoor growers. This is a strong fan with steel structure which gives it full strength and this is the reason it is more in weight as compared to its competitors. This professional product is also used in other places like nursing homes, hotels etc.

The power rating of this fan is low as compared to the market but they give carbon filter with this which make it a great deal. This filter removes the excess of carbon from your grow area. If you go for other fans you have to buy filter separately but with this deal, it comes together with a fan.

The product is backed by the one year warranty.

Vortex Powerfans 6 inches

best inline fan

Vertex power fans are constructed with high quality steel and to increase the durability they are coated with a hammertone finish. Rustproof fans for long-run operations. The motor produces 449 CFM which is good and ideal for plants. Vibration free motor does not make any noise or the noise levels are almost negligible. It produces much sound than an air conditioner.

Easy to install horizontally or vertically both options are available as both brackets are given on sides for extra convenience. The heavy-duty motor is impact resistance, do not have to lubricate. The product comes with the long warranty of 10 years.

Hurricane INLINE DUCT FAN 12 inches.


Hurricane manufacture inline duct fans with UL rated components and give powder coated finish for maximum performance. The finish prevents rust and makes it rust proof inline fan. Many sizes are available in this brand like 4 inches 171 CFM, 6 inches 435 CFM, 8 inches 745 CFM, 10 inches 780 CFM, and 12 inches 1060 CFM.

Easy to install the package contains everything you need to install.

Active Air Ventilation Fan


Great product to buy for small growing areas. 10 inches in size with the air flow of 760 CFM. It has ceramic coatings which prevent rust and dust particles away from the motor. The internal functional motor is thermally protected which means with the long run operations the motor does not get hot.

Like other fans, it also produces low noise which does not disturb you if you are studying or sleeping near the fan. Highly efficient internal components which increase the overall performance of Fan.