4 Best grow Tent Heaters To Keep Grow Room Warm During Winter

Your grow room should never be too warm or too cold. To help you keep the temperature ideal in your grow room, one of the best things that you can do is to get a grow tent heater. It can be quite overwhelming to choose which heater is the best, but I’m here to help you out.

The success of growing your plants indoors is dictated by a few things, and the temperature in your grow room is one of these.

If your grow room is cold, the oxygen level inside is more likely high. When this is the case, germination is less likely to happen.

Another thing that could happen when your grow room is high in oxygen level is that the roots of your plants will absorb too much oxygen.

This will simply result in poor plant growth. There’s also a high chance that your grow room will be too damp for your plants.

And so, a grow room heater is just ideal to include in your setup, especially if you live in a place where the cold is constant.

However, it’s still ideal to have even if you live in a warm place as it’s something that can still be useful during winter.

4 Of the Best Grow tent Heaters to Buy in 2019

Benefits of a heater for the grow tent or grow room

Aside from avoiding the problems I’ve mentioned above, getting a grow room heater can do you and your plants more good.

It’s simply the perfect device that could help you control the temperature in your grow space.

What should the humidity be in a grow room

Whether you live in a cold place or not, there are times when the heat is simply hard to come by.

It could be because your grow space is enclosed or sealed or that your grow room is in a separate place with no furnace.

It’s also possible that your light setup is not producing enough heat or warmth for your plants.

You’ll know that this is what’s happening if you check the temperature in your tent. The ideal temperature should range from 80 to 85 degrees Fahrenheit.

What kind of heater should I use in a grow room or tent?

There are plenty types of heater out there that you could get. However, not all these types can be compatible with your grow room.

Here are the common types of heaters that a lot of gardeners use in their grow space.

What Kind Of Heater Should I Use In A Grow Room Or Tent_

1: Electric Heater

An electric heater functions just like how its name sounds. It’s a type of heater that converts electricity or electrical energy into heat.

Instead of gathering heat from its environment, it instead gathers electricity that passes through its resistor and comes out as heat energy.

2: Hydronic Heater

This may be the most efficient type of heater that you could use not only in your grow room, but also all throughout your house.

A hydronic heater simply heats water and allows it to move through closed pipes throughout your place, including your grow space.

3: Oil Filled Radiator Heater

This type of heater still requires electricity to run, but it’s still dependent on oil. This sounds like it involves burning the oil in its reservoir, but it’s not how it works.

What it does is that it uses the oil as a heat reservoir. The oil is what becomes the heating agent as it flows around the cavities of the heater.

4: Ceramic Heater

A ceramic heater is mainly ideal for small spaces, and so this is perfect to use for a small grow space or area.

It’s a bit similar to fan heaters as this, after all, still works with a fan. What it really does is that it generates heat through a heating element of a ceramic.

5: Duct Fan

A duct fan is also something that you could use to heat up your grow room. It is also known as an inline fan. This is best for people who would like to save space in their grow space.

It could be very efficient as most duct or inline fans made for grow room nowadays are multi-purpose. This means that these can be used for both cooling and heating.

The Best Heaters for your Grow Tent or Grow Room

And so here is the part where I share my suggestions about what may be the best set of grow tent heaters out there.

I’ve compiled a list of different types of heaters that I find very efficient when it comes to grow room usage.

1: Best For 5x5 Grow Tent: KLOUDIC QN04 Portable Ceramic Space Heater

The KLOUDIC QN04 is a ceramic space heater that you can bring anywhere. This makes it a great buy as you can also use it when camping. Its modern look is also a great addition to your grow space.

This portable heater is a 600-watt energy-saving space heater. This is ideal for grow tent setups that are 4x4 to 5x5 big. It could quickly heat up your grow space for just two seconds.

It needs a 12-volt power source. Its sleek design is also what makes it very appealing.

This is designed for indoors and so it is safe to use. You won’t have to worry about carbon monoxide exposure.

Features:

  • Energy-saving setting
  • One-touch swing button
  • Auto shut-off feature

Another great feature is that it automatically shuts off when it gets too hot. So you also won’t have to worry about your grow room getting too warm.

It has three functions: High Heating, Low Heating, and Natural Wind, so this means that it can also function as a fan.

You can use the Natural Wind feature during the summer when your grow room won’t require heating.

It has a swing feature so it means that it could deliver a wide-angle heat with automatic oscillation. It basically looks like one of those bladeless fans that you can get.

Once the heater shuts-off but you still need it to work, you’ll have to wait for 8 seconds before it can power up again.

2: Best For 4X4 Grow Tent: AC Infinity CLOUDLINE T4 4’’ Inline Duct Fan

This inline duct fan is designed to quickly and quietly heat and also cool your grow space.

This inline fan from CLOUDLINE is specifically made for grow rooms or hydroponics setup.

This could work as part of your ventilation system as it could both heat and cool your grow space quietly and efficiently.

Features:

  • Ventilate function
  • Smart Programming
  • Energy-efficient
  • Quiet PWM motor
  • Plug and play

Its airflow can go up to 152 CFM and it’s very quiet as it could only produce a maximum of 28 dBA.

This duct fan only requires 12 Volts to power up and uses 15 watts of power. It could operate at a temperature of 14 to 230°F.

Its smart programming feature includes an intelligent controller that allows you to control its temperature. It has precise temperature sensors too.

The life expectancy of this heater is up to 67,000 hours. It’s very straightforward to use as it is a plug and play device.

3: Best For Grow Room: Brightown’s 400-watt Portable Ceramic Mini-Heater

Perfect for small to medium-sized grow spaces, Brightown’s portable ceramic mini-heater is another energy-efficient and budget heater that you can get.

However, you can also use this in your grow space or tent that is up to 5 x 5 big. It’s ETL-Listed, and so it only means that it is safe to use.

Features:

  • Low-Power input
  • ETL-Listed
  • Auto shut-off feature

It has an auto-shutoff feature. This device automatically shuts off when its internal components reach a specific temperature.

It claims to be quiet but some users said they would still hear a bit of humming sound.

It only runs in 400 watts of power so this is not too bad and won’t be a great addition to your electricity bill.

The manufacturer pointed out that this should never be used in damp or wet locations. This is why it should be partnered with a dehumidifier when you place it in your grow tent or room.

4: Best For 8x8 Grow Tent: Gazeled’s Portable Ceramic Space Heater

This PTC Ceramic Heater from Gazeled is quiet and safe to use indoors, like in your grow room. It is compact in size, but it’s still a powerful space heater.

Small but terrible, this space heater runs in up to 1500 watts of power supply. You also have the option to just use it with 800 watts of power.

It is also ELT-Listed so it’s generally safe to use indoors. It also comes with a tip-over protection, which means that this heater would automatically shut off if it accidentally tips over.

Features:

  • Adjustable thermostat
  • Quick and Easy Heat
  • Oscillating
  • Overheat protection
  • Tip-over protection

The same goes for its overheat protection feature. This heater automatically shuts off if it becomes too hot. 

What’s great is that it can also automatically turn on and get back to work once it has cooled down. You won’t have to worry about it overheating ever.

It has three settings: Low heat, high heat, and fan setting. And so, you can still use this during the summer to cool off your grow space.

Since it has fan settings, it can also blow heat out of your grow space. It can oscillate in all settings or modes, so it could cover a wide range of your space.

Another great feature is its carrying handle. Which makes it easy for you to take it anywhere. The adjustable thermostat that it has works when the heater is in high heating mode.

It means that it can maintain consistent heat according to its thermostat setting. There’s no need for you to consistently check on it when it’s in high heat mode.

What You Should Really Look for When Shopping for a Grow Tent Heater

Now, if you haven’t purchased a grow room heater before, it may be hard to choose which one it is that you really need for your grow room.

While I already gave you a few great choices of what you could get, it’s perfectly fine to still want to know some options for yourself.

There are multiple things that you should look for when you’re shopping for the right heater. What you really should keep in mind that the perfect heater will really depend on the grow room, tent, or space that you have.

If you don’t know what you should be looking for when shopping for the best heater for your grow room, here are some ideas:

  • Required power usage – you’ll need to check how many watts the heater will require for it to run. This will let you know what to expect when it comes to how much your electricity bill will be once you use it.
  • Type of heat – this will be mainly dictated by the type of heater you’re looking at. There are heaters that would function as a fan, while some are rather stationary.
  • Auto Power – There are now heaters out there that have this feature. This is not required but it could be very convenient especially if you can’t monitor your grow room for a day or few.
  • The size capacity – a heater will be useless if it’s too small for your grow space. Know how big your grow room is so that you know how powerful your heater should be.
  • Energy Efficiency – Most of the time, it’s the electronic heater that is 100 percent efficient. This means the energy it uses doesn’t turn into a harmful waste.

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The truth is that the best heater will really depend on the kind of grow room you have. The size and the power of the heater are what you should mainly look at. 

Other features are simply good points to consider if the heater you’re looking at is right for you.

The general rule is that you should get a high-power heater if you have a big grow space.

Meanwhile, if you only work with grow tents, you can just get portable heating devices that could already work with just 300 or 400 watts of power supply.

I’d generally suggest to just stick with electric heaters and avoid oil-filled ones as they may require more maintenance.

I hope this list helped you out when it comes to deciding which grow room heater you should get !

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