Best Air Conditioner with Low Power Consumption (Reviews) in 2021

Best Air Conditioner with Low Power Consumption overviewSome air conditioners kill lots of torque or power and bring a vast electricity bill that is sucked for the mini AC users. Some users also found the AC fan is not properly working, and a few distances the AC is not cool down. On the other hand, durability is one of the great issues. I am also going on this issue. So, I think now it is essential for us to choose the Best air conditioner with low power consumption.

You may know that it is tricky to find out the best one according to your budget. I think these reviews narrow your confusion, and you can win your desire one. So, let’s check out my list and follow the buying guide.

Top 7 Best air conditioner with low power consumption for 2021

1. DoubleFly Portable Air Conditioner

DoubleFly Portable Air ConditionerDoubleFly is a lightweight, inexpensive, and low energy consumption portable air conditioner for small space. This latest unit comes with evaporate cooling technology, which allows the unit to draw in hot air and provide cooling air. When I use this unit on my RV, it needs to start below one minute because of its 3 fan speed.

This portable conditioner has a 4-in-1 function that supports me in getting different facilities. Well, you just need to input water or ice and then plug the USB cable into the power bank, and it automatically starts to work.


  • Low energy consumption
  • Lightweight and portable
  • Easy to operate
  • 4-in-1 function facilities
  • Used 3-speed fan


  • It is not ideal for medium or large space

2. SereneLife SLACHT128 Air Conditioner

SereneLife SLACHT128 Air ConditionerThis SereneLife air conditioner is suitable for 450 SQ FT of your room, RV, boat, and other space. It operates with battery (not included) and remote with long distance. For easily portable, this component has 4-wheels and lightweight built-in conditions. Well, you may explorer 4-mode from this unit, such as heating, cooling, dehumidifier, and the fans.

However, the device has 12000 BTU (British Thermal Unit), which easily covers your space and starts to fast work. It has automatically active power on which is a peach of mind.


  • Environment friendly
  • Control the humidity level
  • Have 4-different mode
  • Easy to portable
  • Automatically active power on


  • Some users found it leakage issue

3. Efast Portable Space Air Conditioner

Efast Portable Space Air ConditionerThe Efast portable air conditioner is highly reliable in my need. Eco-friendly and low energy consumption is one of the best features. However, this component also allows me to get fast service because of its advanced technology and powerful fan. Portable design, compact size, you can easily carry it out.

It has not any power failure and used a 2000 mAh power bank. This device has multiple power supply facilities, such as the ability to charge from the laptop USB port and other devices.


  • 12-hours work without a break
  • Provide fast service
  • Small size and portable design
  • Low-energy consumption
  • Used advance technology


  • Some users found posting level missing

4. OVPPH Portable Air Conditioner

OVPPH Portable Air ConditionerThis OVPPH is a portable air conditioner that is suitable for office, bedroom, family, camper, hiking, and other sides. Comes with a 3-in-1 fast cooling method included humidifier and purify the air around you. For great fun, the manufacturer uses this unit 7 LED color light, which works 3 to 5 hours.

According to my research, the fan is not capable of cooling the space certainly. Well, I found an excellent and easy to operate display with on-off switch, brightness, and other things that are very easy and fast working.


  • 7 LED color
  • 3-in-1 fast cooling method
  • Ideal for anywhere
  • Have a powerful control panel
  • Of course durable


  • The fan may not as powerful as I expect

5. ADDCC Evaporative Air Conditioner

ADDCC Evaporative Air ConditionerAre you searching for instant cool at a maximum 47-degrees F air conditioner? This ADDCC has a powerful motor with 3-fans and 3-modes. The auto oscillation 700ml water tank capacity makes this component more reliable. Included a powerful 5000 mAh A grade rechargeable battery that runs up to 9 hours continuously.

You will charge this unit with the USB port of your laptop. When it comes to energy, the table fan of this unit is 10W low energy consumption, which saves your electricity bill in the summer.


  • Continuously work around 9 hours
  • Used a powerful grade battery
  • Low energy consumption
  • Able to install cool the space
  • It is a quiet air conditioner


  • None

6. SHSTFD Portable Air Conditioner

SHSTFD Portable Air ConditionerThis is my 6th top pick, which comes with affordable prices, of course, excellent features. When it across to me, I discover that it has multiple functions for changing it in different modes. The compact design and perfect size (5.7″ L x 3.9″ W x 9.5″ H) allows you to easily portable outside of the home.

It is made of solid construction and materials (environment-friendly) that supports the model’s long-run. Well, this component comes with DC adapter mode, I also expected the AC adapter. But this DC adapter and machine take low energy which saves your electricity.


  • Used perfect measurement
  • Budget-friendly air conditioner
  • Used environmental friendly materials
  • Have DC adapter facility
  • Save your electricity bill


  • After 5-ft away it may not be able to work

7. COMLIFE Portable Air Conditioner

COMLIFE Portable Air ConditionerThe power failure is one of sucking thing. This air conditioner reduces the power failure because it comes with a powerful 5000 mAh rechargeable battery. Well, this mini air conditioner supports 60/120 degrees of the proper setting. It also has 3 adjustable airflow and cooling levels, which instant work.

Whatever for continuously work, COMLIFE is used 700ml vast water tank capacity. In addition to serving as an air cooler, this air conditioner can also control humidifier and purifier. But the humidity prevents with very small space.


  • Have 3-adjustment airflow
  • 700ml vast water tank capacity
  • Reduce power failure
  • Easy to portable
  • User-friendly


  • The warranty is not clear

Best air conditioner with low power consumption Buying Guide:

Energy-saving mode

This feature doesn’t come with all of AC. This productiveness and make the air conditioner cost-effective is the energy saver or eco-mode. This is just calculating the fan how they work and how much they cost the energy. For saving electricity bill you many need to choose an air conditioner which has eco-mode.

Coverage area

It is a total waste of money when the ac is not able to cover the area. The coverage area always works when the model has the ability. First, know your room or other space area size, and then you can match the ac with the size. For the value of your money, I think you should not avoid this section.

Easy to portable

It is a pleasure when you go with your AC in summer. Portability helps us to use the product with any kind of space. However, to easily choose a portable AC, you should remember the weight, handlebar, and wheels. When the three features meet perfect, it is sure that the model is portable, and you can easily carry.

Power source

Well, there are two types of power source electricity and battery. When you though electricity power, you may also think about power failure. On the other hand, when it comes to battery, you should focus two things, such as charge and battery mAh. When you think both are well, you can go for the product.

Frequently Asked Questions (FAQs)

Q: Which AC has low power consumption?

A: According to my research, the Efast, SereneLife SLACHT128, DoubleFly, is one of the best low power consumption AC, which has eco-mode facilities.

Q: How many watts does it take to run a small air conditioner?

A: Central AC only needs 750 watts. But the largest windows AC needs 1440-watts.


This is the end of my guide. I really hope that now you are well prepared and up to date about the products. I think it is time you can choose the best air conditioner with low power consumption. As always, I appreciate the feedback on the comment section left by you.

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About the author

Sharif Miah

I am Sharif, 22, a student, currently doing the BBA program. Besides, I am an online Blogger.

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