Best Portable Air Conditioner for Grow Room/Grow Tent

Do you have a grow room in your home? If yes, then you know the importance of providing an ideal weather condition in the tent room for optimum plant growth. Crucial elements that will determine whether the plant in the grow room will thrive or not include the quality of air circulation, humidity levels, and temperature.

During colder months, most small farmers use heaters to prevent temperatures from falling below the recommended level that is harmful to the plant. On the other hand, during warmer months, portable air conditioners are used to help regulate heat, humidity, and quality of air inside the grow room.

If the temperature is too high, then plants in the grow room will grow slowly, and the yield will not be impressive.

High heat also lowers nutrients and contribute to plant rot. The best way to create an ideal condition in the grow room for your plants to thrive during summer months is to install a portable air conditioner for a grow room.

Today, many portable AC brands claim to sell quality portable air conditioner. Unfortunately, not all of them sell the quality product as they claim. So without the right guidance, you can end up buying low quality portable AC that will consume more harm than good.

Luckily, today you have landed in the right place because we have conducted extensive research on your behalf and compiled a list of 10 best portable AC for grow room.

Top 10 Best Grow Room/Grow Tent AC For The Money:

Honeywell MN10CESBB Portable AC (10000 BTU)

If you are looking for an efficient and reliable portable air conditioner for your grow room, then you won’t go wrong if you choose Honeywell MN10CESBB. This portable AC is powerful, dependable, and safe. It is equipped with overall thermal protection on the motor and compressor that help to prevent them from overworking.

It also features an easy to clean filtration system that not only protects the portal AC against damage from overheating, but it also helps to extend its life span. The filtration system helps to filter pets dander, hair, and dust, thus reducing impurities that can affect the growth of the plant in the grow room. The filter is straightforward to clean. All that you need to do is run a filter under running water, and within minutes, it will be clean.

All accessories that are crucial for the normal functioning of this machine are including in the package. It comes with an easy to read the user manual for easy installation. This portable AC is also equipped with the lasts technology the enable it to operate efficiently without consuming too much power as it is usually the case with other brands

The Honeywell MN10CESBB is very efficient and operates quietly even at the highest speed setting, thanks to the dual-motor technology that it is equipped with.


  • 10000 BTU
  • Quiet operation
  • Easy to store
  • Easy to maintain
  • The control panel and display are strategically located for easy use
  • Easy to clean the filter
  • It is energy efficient
  • Lightweight and easy to install


  • Quite expensive

Whynter ARC-14SH Portable AC

Whynter ARC-14SH is powerful, efficient, and mobile. The 14000BTU is ideal for people who want to keep their grow room cool during summer months for optimum plant growth. The unit is equipped with an auto drain technology that collects and recycles moisture to produce cold air. The dual hose operation that it features helps to speed the cooling process.

The Whynter ARC-14SH features four operational modes, including the dehumidifier, fan, heater, and air conditioner. The unit can heat/cool up to 500 feet of space, making it ideal to be used in a grow room.

Its washable pre-filter and activated carbon filter help to improve air quality while the 24 hours programmable timer, auto drain function, and full thermostatic control help to make operation easy. This unit is designed to provide quiet and efficient cooling to any grow room.


  • Operates quietly
  • Energy efficient
  • Award-winning brand
  • Eco-friendly
  • Full thermostatic control
  • Four operational modes
  • Easy to install
  • 140000 BTU
  • Strategically placed control panel for smooth operation
  • Active carbon filter for improved air quality
  • Can heat up to 500 SF space
  • Remote control


  • It is quite expensive

JHS Portable AC

If you want to keep your grow room cool during the warm summer months, then JHS portable air conditioner is an ideal choice for you. This unit can cool up to 170 sq. Ft, making it suitable for the grow room. This unit allows you to select between three functions, including the fan, air conditioner, and dehumidifier.

JHS portable air conditioner is also equipped with an LED digital panel and a remora control for smooth operation. The 24 hours programmable filter timer and sleep mode ensure that the unit operates efficiently even when you are not present to monitor it. JHS portable air conditioner is also easy to clean and install.


  • Easy to clean
  • Easy to install
  • Operate quietly
  • Has three functions to choose from
  • Portable and consume less space
  • The unit can cool up to 170 sq. Ft.
  • 8000BTU for fast cooling capacity


  • It requires a window opening to operate smoothly

Della Portable AC (8000 BTU)

Della provides up to 8000 BTU cooling power that is sufficient to cool 300-350 sq. Ft. grow room space. In addition to cooling, this unit also serves as a dehumidifier that prevents mold and bacteria from thriving in the grow room. The three-speed cooling fan helps to enhance air circulation for optimum plant growth.

The control panel of this unit features an LED display and a timer that is easy to use. They are also strategically located for smooth operation. The timer allows you to turn the unit on and off at your preference.

This unit also features a self-evaporation technology, meaning that you need to worry about emptying a bucket as it is usually the case with other brands.


  • A 24-hour programmable timer helps to save energy
  • Quiet operation
  • Strategically located and easy to use control panel
  • 8000 BTU that comfortably cools up 350 sq. Ft.
  • Remote control for smooth operation
  • Easy mobility
  • Window kit included
  • Self-evaporation technology


  • Only suitable for small grow room

LG LP1417SHR portable AC

If you have been looking for the best LD portable air conditioner, then LG LP1417SHR is probably the best you will ever find. This portable AC is equipped with 140000 BTU cooling power that can cool your grow room no matter how big it looks. This unit is suitable for a space measuring up to 400 sq.

It also features a heat pump technology that provides even and consistent heating /cooling in all parts of the room. Its sleek and compact design ensures that it consumes less storage space. LG LP1417SHR is also equipped with a dehumidifier function that helps to prevent indoor humidity levels. Its control display is strategically located for easy use.


  • Exclusive heat pump technology
  • 14000 BTU cooling capacity that cools room of up to 400 sq. Ft.
  • Energy-efficient easy to install
  • Auto swing air vent technology
  • Noise-free
  • East to clean


  • It is quite expensive

Honeywell portable AC (12000 BTU)

Just like other Honeywell portable air condemners, Honeywell 12000 BTU is stylish, dependable, and reliable. It features dual filters that help to protect your grow room from dust, thus improving the air quality. The filters are easy to clean and maintain.

Honeywell 12000 features three fan speed, digital controls, sleep mode, remote control with digital display, and 24 hours energy-saving timer for enhanced comfort. Unlike other portable air conditioners that require constant monitoring, most functions of this unit are automated, meaning that it needs minimal supervision.

Honeywell 12000 BTU is equipped with auto evaporation, an exclusive feature that enables it to function without a bucket to empty except when humidity in the grow room is high. It also features a built-in dehumidifier that removes moisture from the grow room.


  • Quiet operation
  • Easy to install and use
  • Consumes less storage space
  • 12000BTU cooling power
  • Features a stress-free auto evaporation feature


  • It is quite costly

Black+ Decker Portable AC (10000 BTU)

Black+ Decker is ideal for grow rooms that are approximately 150-250 square feet. The vertical motion helps to create a compelling and steady airflow that provides consistent temperature in the grow room.

This unit is also equipped with programmable electronic controls, a clear LED digital display, and 24 hours on/off timer and sleep mode that enable you to operate the unit it easy even when you are far away from the grow room.

In addition to cooling the grow room, this unit is also equipped with a fan that enhances air circulation and a dehumidifier that removes moisture in the grow room, thus creating an ideal condition for your plants to thrive.


  • 10000 cooling power
  • Programmable electronic controls
  • Extremely durable
  • Easy to install and use
  • Compact design that consumes less storage space
  • Washable filters
  • Environmentally friendly


  • Only works in a sliding or double-hung windows

Costway Portable AC

If your grow room has high moisture levels, then the Costway portable air conditioner is the ideal device for you. It is perfect for preventing moisture in the grow room. It features a washable filter that eliminates dust from the air, thus ensuring that your grow room has clean, fresh air.

It also features a ready to click electronic controls, a digital humidity readout, a three-speed fan (high, med/low), drain hose outlet that ensures continuous draining, child lock, and a 24 hour on/off timer. The two side handles and four caster wheels on the bottom make it easy to move this unit from one room to another.


  • Very efficient in controlling moisture in a grow room
  • Easy to use control panel
  • Easy to install
  • It’s highly portable, thanks to four wheels and two side handles
  • Environmental friendly
  • Two years warranty


  • It is quite expensive

Frigidaire FFRA0511R1E 5000BTU

Frigidaire FFRA0511R1E is ideal for cooling grow room of up to 150 square feet with a dehumidifier that delivers up to 1.1 pints per hour. The fact that it is mounted on the wall means that it consumes less space. It also features two fans sped that help to enhance air circulation in the room.

The mechanical rotary control that it features allows you to control the unit with ease. It also features a two way direction control that allows you to direct air where you want.


  • Dependable controls
  • 5000 BTU cooling power
  • Easy to install
  • The filter provides cool fresh air
  • Quiet operation


  • Needs to be mounted on the wall

Pioneer WYSO12 portable air conditioner (1200 BTU)

If you are looking for a compact and ultra-silent portable air conditioner for your grow room, then Pioneer WYSO12 is an excellent choice for you. This unit comes with everything that you need, including all accessories and a user manual. The compressor comes with a five years warranty.

This portable AC is not only powerful but is also consumes less space. The control panels feature an LED display that displays everything that you need to know about the AC. The large LCD wireless remote enables you to control even when you are far from the grow room.

Pioneer WYSO12 is built with the least technology for enhanced comfort, efficiency, and performance.


  • LCD wireless remote
  • Comes with 16 installation kit
  • Easy to install and sue
  • Eco-friendly
  • Energy efficient
  • Consume less space
  • Delivers up to 12000 cooling power


  • It is quite expensive

How To Choose The Best Portable Air Conditioner For Grow Room/Grow Tent?

Essential factors to consider when selecting the best portable air conditioner include:

  • Type of air conditioner
  • Brand
  • Warranty
  • Customer reviews and rating
  • Filter
  • Energy efficiency
  • Ease of use
  • Ease of installation
  • Ventilation features
  • Durability
  • Ease of cleaning


How Many BTU Do I Need For My Own Grow Room?

It depends on the size of your grow room. However, experts recommend that portable AC for grow room should be more than 5000 BTU. (pdf)

How Do I Empty Della AC?

  1. Disconnect the unit from the power
  2. Locate the drain cap then place a bucket under it before opening
  3. Allow water to drain on the bucket then close the cap once the process is done
  4. Restore power

How To Clean Portable Air Conditioner

A portable air conditioner for the grow room should be cleaned every month. If your AC has a washable filter, remove it then wash in on faucet. Allow it to dry before returning it to the unit. Other parts of the unit should be wiped with dry clothes.

What Is The Ideal Size Of AC For My Grow Room

It depends on the size of your grow room, the weather condition of your area, and what you have planted. Talk to a professional for help. (learn more)

What Is The Average Price Of A Good Portable AC?

About $300

Final Verdict

From the above review, it is evident that portable air conditioning for grow room comes in different sizes, designs, and shapes. When choosing an AC unit for your grow room, ensure that you consider several factors such as the size of your grow room, your budget, portability, ease of use, and weather condition before making your final decision. Choose a portable AC that suits your grow room needs.

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I am a homesteading enthusiast, a published writer, and director at FROMSCRATCHMAG. My experience in areas such as brand management, graphic design, and photography are valuable additions to our writing team. When I am not writing or publishing anything, I am out gardening in my small farm or cooking. I am also an herbalist, an experience I use to spread the word about sustainable living.

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