Best Lowest Wattage Air Conditioners To Buy In 2023

Are you looking for the lowest wattage air conditioner? If yes, then don’t worry. We will tell you about the lowest wattage air conditioner in this article.

As you know, air conditioners are important appliances for many living in that areas where the climate is too hot. Air conditioners provide relief and comfort from the heat and improve indoor air quality, preventing health problems.

Although, air conditioners can also consume a lot of electricity, increasing your energy bills and the environmental impact. This is why most people seek the lowest wattage air conditioner, which saves their money and works efficiently. You can also look for the air conditioner wattage chart to understand the watts. In terms of saving electricity you need to know how to save electricity when using an ac.

So, in this article, we will review five different lowest-wattage air conditioners and tell you about their specifications, their features, pros and cons, and our experience when we use them. Let’s get into the depth of this review.

Lowest wattage air conditioner:

The lowest wattage portable air conditioner is those devices that use less power compared to the average other models. Plus, they have a high energy efficiency rate, basically the ratio of the cooling capacity to the power consumption.

The higher the efficiency rate, the lower the electricity the air conditioner will use per unit of cooling. This kind of air conditioner will lower the electricity bill and decrease the carbon footprint and greenhouse gas emissions.

Types of low-watt air conditioners:

There are various types of lowest-wattage air conditioners: window units, mini-split systems, portable units, and central systems. Every type has advantages and disadvantages, depending on your needs, budget, space, and preference. Sometimes there is a problem with people that split ac not cooling but fan is running. So you need to focus on the outdoor of ac.

You need to consider some factors when purchasing the lowest wattage air conditioner: the size of the room you want to cool, noise level, features, climate, warranty, and installation requirements.

Benefits of using lowest wattage air conditioner:

Before explaining the different air conditioners, we must learn a few benefits of using the lowest wattage air conditioner. Here are some benefits:

• You can save money on energy bills because low-wattage air conditioner uses low electricity. They have a high rate of efficiency rating, which means they give you more cooling per unit of power consumption. They have energy star certification, meaning they fulfill the high energy efficiency standards that the Environmental Protection Agency sets.
• You can decrease the environmental impact because the lowest wattage air conditioner will emit less carbon dioxide and greenhouse gases than average models. They are also helpful for natural converse and lower the amount of fossil fuels. If you use these air conditioners, then you will take part in fighting against climate change and global warming.
• Lowest wattage air conditioner cool your room efficiently and effectively so you will enjoy a healthy and comfortable indoor environment. They have various fan speeds and 4-way deflection, which helps distribute the cool air throughout the room. They also have evaporated function, removing the room’s excess moisture. It will stop mold and mildew growth and enhance the quality of the indoors. As you know, mold is frustrating, and you should know how to clean mold out of the window air conditioner.

Best Lowest Wattage Air Conditioner That Works Smoothly and Efficiently

Now, we are going to discuss the lowest air conditioner, and we will review them properly.

1. LG LW8016ER Window-Mounted Air Conditioner:

Overview:

It is a window-mounted air conditioner that can cool the room up to 350 square feet. The air conditioner has a cooling capacity of 8,000 BTU and a 12.0 energy efficiency rate. It has evaporated function, which removes more than 2.2 pints of moisture per hour. The air conditioner has a timer, three cooling fan speeds, and remote control. It is designed to run at a low noise level of 53 dB in low mode. It is a good low wattage window air conditioner.

Specifications LG LW8016ER Window-Mounted Air Conditioner:

Brand	LG
Energy Efficiency	13
Cooling Power	8000
Wattage	660 watts

Full Review:

It is a window-mounted air conditioner that cools up to 350 square feet of a medium-sized room. It has a remote control feature that allows you to adjust the fan speed timer, temperature, and mode by sitting any ware in the room.

You can also use the electronic control panel on the unit, which contains an LED display and has buttons that are easy to use. The ac has three cooling and fan speed plus energy saver functions, which turn off the fan when the compressor is not running properly. In addition, you can also set the unit to turn it off or on automatically at a particular time by using the timer function.

Pros and Cons LG LW8016ER Window-Mounted Air Conditioner

Pros:

• Remote control
• Energy-efficient and energy star certification
• Multiple fan speed and 4-way air deflection
• Auto-restart function

Cons:

• Not attractive
• Not have smart features
• Requires tools and skills for installation
• Not powerful enough

2. Frigidaire FFRE0533S1 Window-Mounted Air Conditioner:

Overview:

It is a window-mounted air conditioner that cools a room up to 150 square feet. The Frigidaire has a 5,000 BTU cooling capacity and a 12.2 energy efficiency ratio. It is the lowest-wattage air conditioner with the evaporation feature, and it can remove 1.1 pints of moisture per hour from the air. The air conditioner has three cooling speeds, fan speeds, as well as 24 hours off-timer. It also has a mesh filter feature, low-power start-up, and remote control.

Specifications Frigidaire FFRE0533S1:

Brand	Frigidaire
Energy Efficiency	13
Cooling Power	5000
Wattage	410 watts

Full Review:

The air conditioner offers an efficient and reliable cooling performance for small spaces and rooms. It has a compact design that fits most standard windows and contains a simple installation kit. The remote control and digital display make this air conditioner run and customize.

It has various cooling and fan options and an evaporating feature, which improves the air quality of your room. Because of the energy-saving mode feature, the air conditioner will decrease the noise level and power consumption.

Although there doesn’t need to be an advantage to one thing, it has no drawbacks. So, the drawback of this lowest-wattage air conditioner is that it becomes noisy when the fan’s speed is high. This is not suitable for the individual who wants a quiet air conditioner.

The air conditioner is small and can’t cool large rooms with high humidity and heat. It does not have a fresh air vent and heating function, which might limit its use in different climates and seasons. You can also learn how to clean ac unit outside because it is also important.

At last, we recommend this air conditioner to people looking for an efficient window-mounted air conditioner at affordable prices for small spaces and rooms. They have a simple design and size, and you can also easily install them. Although, we don’t recommend this air conditioner who want powerful and quiet Noise. 

Pros and Cons of Frigidaire FFRE0533S1:

Pros:

• Easy to operate and install
• Eco-friendly and energy efficient
• Versatile and customizable

Cons:

• High Noise at high fan speed
• Small and not powerful enough to cool large rooms
• Don’t have heating and fresh air vent function

3. Haier ESAQ406T Window Air Conditioner:

Overview:

The air conditioner can cool a room up to 250 square feet and has a 6,000 BTU cooling capacity and a 12.2 energy efficiency ratio. Haier ESAQ406T Window Air Conditioner has three fan speeds, four cooling speeds, and a 24-hour on/off timer. It also has a feature of sleep mode, remote control, and a washable filter.

Specifications Haier ESAQ406T:

Brand	Haier
Energy Efficiency	12.2
Cooling Power	6000
Wattage	490 watts

Detailed Review:

It is the 3rd best air conditioner that offers a smooth and quiet cooling performance for small and medium rooms or spaces. The air conditioner has a sleek design that fits most standard windows and contains a small installation kit.

The Haier ESAQ406T has a digital display and remote control feature, making this ac easy to use and run. It contains four cooling, three fan options, and a sleep mode, which provides a high level of comfort at night. The lowest wattage air conditioner Haier ESAQ406T has energy saving mode, decreasing noise levels and power consumption.

As a result, it is a great choice for those looking for a quiet and smooth window air conditioner for small and medium size rooms or spaces. Because of the sleek design comes with easy installation, customizable settings, and eco-friendly and user-friendly operation. Although, it might be better for those who want powerful, functionality, and versatility from their ac.  

Pros and Cons Haier ESAQ406T:

Pros:

• It has a compressor blanket which reduces vibration and Noise both
• Smart and convenient, along with a digital display
• Sleep mode, which automatically adjusts the temperature

Cons:

• Heavyweight, like 55.6 pounds, measures 21.25 x 18.13 x 12.44 inches. This will make it more difficult in terms of installation and removal from the window.
• Low cooling capacity
• Don’t have advance level features and functions

4. LG LW8016ER:

Overview:

It is a simple window air conditioner that will cool your room up to 340 square feet and has an 8,000 BTU cooling capacity and a 12.1 energy efficiency ratio. The air conditioner’s evaporation feature removes 2.2 pints of moisture per hour.

The lowest wattage air conditioner LG LW8016ER has three fan speeds and three cooling speeds and has a 24-hour on/off timer. The feature of this air conditioner includes auto-restart and remote control.

Specifications of LG LW8016ER:

Brand	LG
Energy Efficiency	12
Cooling Power	8000
Wattage	660 watts

Detailed Review:

The LG LW8016ER air conditioner is powerful and effective and offers great cooling performance for large rooms or spaces. Contain a simple design that meets the standard windows and contains an easy installation kit. The air conditioner had a digital display, and remote control, which made it easy to run and customize. The lowest-wattage air conditioner LG LW8016ER comes with three cooling and fan options. It has an energy-saving mode that decreases power consumption and other noise levels.

Lastly, we recommend this air conditioner to those finding an ac that is powerful enough to cool large rooms and spaces. Because of the normal and simple design, it comes with easy installation, energy-efficient and user-friendly operation. Although, it might be better for those users who want a quiet air conditioner.

Features of LG LW8016ER:

8,000 BTU cooling capacity, which can easily cool a room up to 340 square feet

A 12 energy efficiency ratio that fits with the Energy Star standards and saves money on electricity bills

An evaporate function that can remove up to 2.2 pints of moisture per hour from the air

A washable filter that decreases the bacteria, odors, and dust in the air

It has a remote control that allows you to adjust the temperature and settings from any place in the room

Pros and Cons of LG LW8016ER:

Pros:

• Powerful, effective, and great cooling capacity
• User-friendly and smooth, along with a digital display and remote control feature
• The air conditioner had energy saver mode, which cycles the fan on and off to maintain and set the temperature.

Cons:

• Produce Noise and have a loud compressor which disturbs people
• Not versatile and customizable and contains only three fan and cooling options without any heating function.
• Does not have advanced level features like filter check indicator, sleep mode, smart thermostat, and Wi-Fi connectivity.

5. Keystone KSTAW06BE:

Overview:

It is a window air conditioner that cools your room up to 250 square feet. The air conditioner had a 6,000 BTU cooling capacity and a 12.2 energy efficiency ratio. Because of the dehumidifying function can remove up to 1.5 pints of moisture per hour from the air. The Keystone KSTAW06BE air conditioner has three cooling speeds, three fan speeds, and an auto mode. The feature of this air conditioner includes sleep mode, remote control, and washable filter.

Specification of Keystone KSTAW06BE:

Brand	Keystone
Energy Efficiency	11.1
Cooling Power	6000
Wattage	560 watts

Full Review:

The lowest wattage air conditioner Keystone KSTAW06BE is a window air conditioner that provides easy or effective cooling performance for medium or small size rooms. The air conditioner has a simple design that meets the high-standard windows and contains an easy installation kit.

Keystone KSTAW06BE has an LCD display and a remote control feature, making it easy to operate and customize according to your preference.

Lastly, the Keystone KSTAW06BE is a great choice for those searching for an easy, effective air conditioner for tiny rooms and spaces. Because of its simple design, it is easy to install but has more weight. So, you need another person when you are installing it.

Conversely, people looking for a quiet air conditioner will not buy it, and those who want versatile and powerful ac to cool large rooms will not. It is a low watt portable air conditioner.

Features:

• 6,000 BTU cooling capacity, which can cool a room up to 250 square feet
• 11.1 energy efficiency ratio, which fulfills the Energy Star standards and saves money on electricity bills
• Because of its evaporate function, it can remove up to 1.5 pints of moisture per hour from the air.
• A washable filter that decreases bacteria, odors, and dust in the air
• A remote control that allows you to adjust the temperature and settings from anywhere in the room

Pros and Cons of Keystone KSTAW06BE:

Pros:

• Easy to install and had a window mounting kit and LCD
• Comfortable and smooth, along with an auto mode that automatically selects the best cooling option for your room.
• Eco-friendly and energy-efficient, along with energy saver mode, cycles the fan on and off to balance and set the temperature.

Cons:

• The heavyweight, which is 45.4 pounds and produces so much Noise, irritates people and disturbs their sleep. Two people can pick it up, install it, or remove it from the window.
• Low cooling capacity and had no heating function or air vent.

Which is the best lowest wattage air conditioner?

The Air 5 air conditioner we mention above has the lowest wattage. But if we compare them all, according to our point of view, LG LW8016ER is best. Here are the reasons why we consider this air conditioner is best:

Cooling Capacity: It has a cooling capacity of 8,000 BTU, which is perfect for cooling a room up to 340 square feet. This makes this air conditioner effective for medium-sized rooms.

Energy Efficiency: With an energy efficiency rating of 12.1, this air conditioner fits with the Energy Star standards, ensuring high energy efficiency. It helps save money on electricity bills while providing efficient cooling.

Evaporate Function: The air conditioner has an evaporate function that can remove up to 2.2 pints of moisture per hour from the air. This helps in balancing a comfortable indoor environment by decreasing excess humidity.

Multiple Cooling and Fan Speeds: LG LW8016ER offers three cooling speeds and three fan speeds, which allow you to adjust the cooling and airflow according to your needs and comfort level.

User-Friendly Features: A remote control enables smooth operation from anywhere in the room. The unit’s digital display and easy-to-use buttons further increase the user experience.

Energy-Saving Mode: The LG LW8016ER has an energy-saving mode that cycles the fan on and off to maintain the desired temperature while lowering power consumption. This helps in saving energy and reducing noise levels.

Quality and Brand Reputation: LG brand has a great image in the electronics industry and is known for producing high-quality products. The LG LW8016ER is a reliable air conditioner because of the brand’s reputation.

Considering the cooling capacity, energy efficiency, user-friendly features, and brand reputation, the LG LW8016ER Window-Mounted Air Conditioner is the best option among the mentioned air conditioners.

Conclusion:

Finding the lowest-wattage air conditioner is a priority for those people who want comfort and energy efficiency. By selecting air conditioners with high energy efficiency ratings, you can enjoy cooling while reducing your electricity bills and decreasing your environmental impact.

The LG LW8016ER Window-Mounted Air Conditioner offers a cooling capacity of 8,000 BTU and an energy efficiency rating of 12.0. It has an evaporate function, a timer, three cooling fan speeds, and a remote control. ON THE OTHER HAND, Frigidaire FFRE0533S1 Window-Mounted Air Conditioner has a cooling capacity of 5,000 BTU and an energy efficiency ratio of 12.2. It includes evaporation, a mesh filter, and a remote control.

The Haier ESAQ406T Window Air Conditioner boasts a cooling capacity of 6,000 BTU and an energy efficiency ratio of 12.2. It comes with three fan speeds, four cooling speeds, and a sleep mode, among other features. The LG LW8016ER is a simple window air conditioner with an 8,000 BTU cooling capacity and an energy efficiency ratio of 12.1. It offers an evaporate function, three fan speeds, and a 24-hour on/off timer.

The Keystone KSTAW06BE is a window air conditioner with a cooling capacity of 6,000 BTU and an energy efficiency ratio of 11.1. It includes dehumidification, sleep mode, and remote control.

Each of these air conditioners has its own advantages and disadvantages, so it’s important to consider your specific needs and preferences when deciding. Whether you’re looking for a powerful cooling performance, easy installation, or quiet operation, there is an option that suits your requirements.

Frequently Asked Questions: Lowest Wattage Air Conditioner:

How many watts is a small AC?

If we compare all small, medium, and large AC watts, then a large window AC can use approximately 1,440 watts, a medium size window AC uses 900 watts, and small AC uses watts around about 500 watts.

What is the lowest of an air conditioner?

Many air conditioners have lower thermostat settings that are around 60 degrees.

Which AC runs at the lowest voltage?

The Inverter AC runs on low energy and can rapidly adapt to the electricity supply when operating.