Best Inline Fans Reviews
How Do Inline Fans Help You Grow Cannabis?
Inline Fans For Cannabis provide the perfect ventilation for your grow room or tent and keep your plants healthy.
Proper ventilation helps to remove CO₂ depleted air, creates good airflow across all your plants and keeps humidity levels stable.
They are also the best solutions for keeping your grow space at the right temperature to avoid burning your cannabis. Lights create heat, which will burn your plants if not properly dissipated. Inline fans make indoor growing easier and more efficient with all of the air circulation and exhaust system benefits.
Even if you have no concerns about heat in your grow tent or room, however, the air still needs to be swapped for fresher air every 1–3 minutes.
A decent breeze helps to strengthen stems. And frequent refreshing of the air helps to prevent problems like mold, rot, mites and mildew, by dispersing water vapor and heat evenly.
How to Decide the Right Size Fan
When choosing a fan, it is important to consider the size of the area that you are using and will need to ventilate. You’ll also need to adjust for certain other equipment you might be using—we’ll give you a handy formula below. Then simply pick the fan with the appropriate CFM rating.
What is CFM ?
CFM is “Cubic Feet per Minute”, the amount of air that the fan can move in a minute, measured in cubic feet. Fans are rated according to this measure.
Calculating fan requirements
The formula for finding the best inline fan with the appropriate capacity is the length x width x height (in feet) of your grow space multiplied by 125% (1.25). This number is the amount of air your fan should be able to remove each minute and the CFM rating of the fan you’ll need.
The extra 25% allows for some wiggle room in case of resistance from carbon filters or ducting.
So a fan rated at 180 CFM, for instance, will exchange 180 cubic feet of air every minute.
Finally, if you’re on a tight budget, here’s how to get the absolute minimum CFM rating you’ll need:
Do the calculation above, but then divide the final number by anything up to 3. This is because the air in your indoor grow room needs to be exchanged every 1–3 minutes. Ideally, every minute. However, if you live somewhere cold, you can get away with less often than once a minute
How to adjust for heat when using HID lights
Another important consideration for choosing the correct size fan for your cannabis grow area is what type of lighting you are using. Some lights generate more heat, which require more airflow to dissipate.
For example, if you are using HID grow lights, always go for a higher CFM fan since these lights create more heat than LED grow lights.
Specifically, add 5% for every air-cooled HID grow light and 10-15% for every non-air-cooled HID light.
If in doubt…
If in doubt, always get a fan with a higher CFM than you think you need and an adjustable speed controller. Especially as there are times in the grow cycle when it can be helpful to be able to circulate more air.
It’s also possible to vary duct and inline fan speed with a separate speed controller.
Anything else?
As with many things to do with growing weed, rules of thumb will serve you well, but you can go into extremely fine detail if you really want to. If that’s you, here’s a great in-depth discussion of how to calculate fan requirements for an indoor garden.
What diameter of inline fan will I need?
Inline fans come in a range of different diameters, as you’ll see in the selection we have for you below.
If you’re not sure what diameter you need though, we recommend a 6inch inline fan. Because the most common setups use 4, 6 and 8 inch openings—so if it turns out 6 inches isn’t the right diameter, you can just buy a converter and very easily fit it to smaller or larger openings.
Best Inline Fans for Cannabis Grow Rooms and Tents – Reviews
Now that you know what you are looking for, scroll through the list below of the best inline fans for cannabis grow rooms and tents, and choose which one will work best for you.
Eco Farm Inline Fans
Pros:
- Made of high quality steel
- Completely eliminates marijuana odor
- Works in bathrooms, attics, warehouses and grow tents
- Lots of different options to choose from
Cons:
- Does not come with a speed controller
Eco Farm inline fan provides a great set of products for hydroponic growers who have smaller budgets, or who are just starting out in growing cannabis. Their smaller sized and lower CFM booster fans are not quite as rugged as some of the others listed here, but they work great and provide the same cooling as a more expensive fan.
Eco Farm also manufactures more high quality fans for a higher price, but it is worth mentioning their lower cost alternatives for beginners. Also, if you use LED lights you may want to consider one of the less expensive fans since your cooling needs will not be as great as a grow op using HID bulbs.You can choose whether to purchase the fan by itself, or with a filter included.
Pros:
- Reliable
- Powerful
- Speed control
- Compact.
- A little bit loud.
As anyone who has experience with growing cannabis and using inline fans will tell you, the fans have a tendency to overload and overheat, which can be hazardous for them and the plants. That’s why it’s important that your fan has some sort of protection against this.
And that’s exactly why this model has a thermal motor which resets itself after it reaches its limit.
What’s more, the Inline Fans For Cannabis and motor are permanently lubricated which means that they will last for a long time.
Don’t let the size of the fan fool you though, even though it’s so compact, it’s very powerful. The best part about it is that it’s speed controllable.
But you won’t be able to control your love for it so be sure to get it right away!
Pros:
- Comes in different sizes
- Extremely durable due to the ceramic
- Offers a quiet operation.
Cons:
- The design could’ve been better.
Vivosun inline fan is an ideal option for small to indoor grow tents as it has a diameter of mutiple inches and cubic feets to choose. It will move air effectively to provide maximum ventilation.
With a noise output of only 49dB, you can expect that it will produce minimal noise, despite the fact that it comes with a powerful fan.
The durability of this model is also unquestionable. Most of the parts are made of galvanized steel. They are also factory-painted, which is beneficial in terms of being able to resist corrosion.
Lastly, it has an aerodynamic design, which will allow it to generate a strong air flow in the grow tent.
Summing Up
Inline Fans For Weed are a crucial piece of equipment for growing indoors. Installing these fans is simple with the instructions included with each fan. With all of the options above you can easily pick which fan will work best in your gardening area, to ensure healthy and happy cannabis plants.
Now you’ve had a look at this review of the best inline fans, you may also want to check out this round up of the best CO2 regulators.
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