Most Energy Efficient Air Conditioners – {Top 12} In 2021

If you are seeking for the most energy efficient window ac for a small room then 6000 BTU’s unit is perfect for you. The Energy Star rated portable air conditioners are suitable for room size ranging from 145 to 240 square feet. In addition its energy efficient ratio ERR is 12.2 which ensures its working standards.

Moreover, the energy efficient window unit comes up with amazing features like auto restart function that uses already saved settings. Apart from this, it has a digital thermostat, digital remote and a twenty-four-hour timer. In addition, it has three options to adjust the cooling speed of the air conditioner.

Above all, the “Auto Air” feature provides air circulation throughout the room. The filters of the best energy star air conditioner are antimicrobial that make their maintenance and cleaning easy. The company offers a warranty of one year cost free maintenance.

LG is a well renowned and popular brands due to its performance and reliable electronics appliances. LG Window-Mounted 8,000 BTU 115V upholds the claims of performance and repute of LG. This energy efficient window ac unit is specially designed for medium sized rooms. It has best rated 8,000 BTU’s that can cool a room size ranging from 250 to 340 square feet.

One aspect of this air conditioner is its noise that is quite higher for indoors 54dba and for outdoors its 60dba. So, it may be a worrying factor to some users or not to others.  Moreover, the emery efficiency ratio is 12.2 making this air conditioner Energy Star certified portable air conditioners. The air conditioner has modes to save the energy, provide reminders for filter cleaning end exceptional in terms of its performance.

According to customer reviews, this model by Frigidaire is the most energy efficient air conditioners along with Wi-Fi enabled and other smart options. The best energy efficient air conditioners suitable for large size room size up to 550 square feet. The EER rating of this most energy efficient ac is 12.0. Frigidaire official websites entitled that it is an Energy Star qualified air conditioner.

The air conditioner is a smart device because once you install the Frigidaire app on your mobile, you can easily control all the settings and temperature options from mobile. This feature allows you to make your room cool before you come home and can turn off the unit if you forget.

Moreover, it is large and bulky in design that it should be as it is a 12,000 BTU’s low power consumption air conditioner. This product is quite expensive that is why it is recommended for large rooms.

Most people complain about their noisy and loud air conditioner. It is a little bit noisy due to heavy machinery, motor, compressor, and fan are working together in your surroundings. Mostly, this noise is more in 6000 BTU cheap energy efficient window air conditioners.

The quietest model by Haier has attained the market due to its low noise ratio of 54.5 DBA. This noise ratio is 8 times lesser as compared to the LG Window-Mounted 8,000 BTU 115V. So, if you are searching for a most energy efficient air conditioner window unit that will not disturb your sound sleep, work or other activities then buy this model.

Although its EER is quite low 11.2 which means it is not an Energy Star qualified air conditioner. However, its working performance, quiet motor and effective cooling options make it among the top energy efficient air conditioners.

A budget friendly and economically priced most energy efficient air conditioners. People who wants to have a cool breeze in hot summer days without spending extra penny should buy this model immediately.

As it a 6000 BTU air conditioner so it is suitable for small rooms up to 260 square feet. It is Energy Star certified portable air conditioners with an ERR rating of 12.1. It is a low price energy efficient window unit that doesn’t compromise on its quality. This air conditioning unit fulfills the customer’s demand ensuring high quality parts and exceptional performance.

In addition, this model has a remote control with LED display, digital panel, and energy saver function. Washable filters are easy to clean and wash.

PIONEER comes in the market with its exclusive equipped electronic devices. This 12,000 BTU by Pioneer is completely remarkable. This most energy efficient ac can be used for any large area up to 450 square feet.

It can make large rooms like a basement, garage, or workspace centrally air conditioner. It is easy to install and make it ready to work. The features that make it a low power consumption air conditioner are its Energy efficiency rating of 11.0 and the Seasonal Energy efficiency ratio is 19.0.

Moreover, you can enable the sleep mode this feature will automatically increase or decrease the temperature. Above all, this energy saving air conditioner does have a “follow me” feature in which the air conditioner cools the atmosphere according to your location. The sensor in the remote control figures out your location.

One of the most energy efficient air conditioners available in the market. A 5,000 BTU air conditioner is capable to cool a windowed room up to 150 square feet. These energy efficient window ac units are suitable for living areas and bedrooms.

Above all, it is gives the guarantee that this most energy efficient air conditioner window unit can cool a space of 150 square feet within fifteen minutes. The overall design is simply small and compact with minimum electrical tools.

Specially designed for cooling an entire level of the building, extremely large office halls or an entire home. This 24,000 BTU energy saver air conditioner is capable to cool an area up to 1500 square feet.

This best energy saving air conditioner is very expensive to buy. But, wait just look at the exclusive and extra ordinary features of this ac unit. It is to be observed that its SEER rating is 20.50 and its EER rating is 12.5. Thus, these high ratings give you one of the most energy efficient air conditioners.

In addition, this ac unit has a remote to control its modes, speeds, timer and settings as per your needs. Some interesting features are self-cleaning mode. Dehumidifier, leak detection, heat options, and many others.

Another product by Senville, similar to above mentioned air conditioner unit. But, the difference lies in its price. This model is affordable and budget friendly.  This 12,000 BTU can cool only an area of 750 square feet. However, this air conditioner unit is suitable to cool down medium sized areas.

Moreover, the best Energy Star air conditioner has an ERR of 12.5 and SEER of 30.5. It one of the most energy efficient air conditioners available in the market at reasonable prices. It is also featured with the follow me a function that enables it to read the temperature of your surroundings with the help of sensors in the remote. Thus, it capable to yield more cooling as per requirement.

Seeking for energy efficient window air conditioners with a digital thermostat then this is a perfect option for you. This LG BTU 115V Window Air Conditioner is budget friendly with cooling flexibility.

A 6,000 BTU best energy efficient window air conditioner can cool an area up to 260 square feet. You can install this air conditioner in your small living rooms or bedrooms. It has the dehumidify mode that works at 1.8 pints per hour. Moreover, it provides you 3 cooling speeds and 3 fan speeds to choose ad adjust the temperature of the room.

It has the energy saver function that will save you money. Therefore, its energy saver function automatically shut down the fan and compressor

Amana is lading in the market just like a rising star. This brand is launching various electronics products. One of the exceptional and remarkable 15,000 BTU air conditioner is presented by this brand. These energy efficient window ac units are quick and easy to install.

It gives you flexibility by choosing between three different cooling options. Above all, it does have auto options for automatic control. Its 3 prongs grounded plug requires 115 volts to drive this small energy efficient window air conditioner.

Moreover, it can cool a room space of 700 square feet. Its dehumidification is done at 3.52 pints per hour. It has a user manual to provide you necessary instructions. Apart from this, it does have a sleep mode and a fully functional remote control.

If you are searching for a portable air conditioner energy star following the modern design and latest approaches then you should buy these most energy efficient air conditioners. The look and feel of this most energy efficient window ac are quite different from the others. That’s is why it has an attractive appearance at first. Its cooling capacity is wonderful as this 10,000 BTU AC unit can cool a room space up to 450 square feet. But you should consider other higher BTU models if your location has a high ceiling or a lot of traffic.

You can use this ac unit in three different ways. Firstly as a portable air conditioner energy star qualified. Secondly, you can avail of the fan as the only option. Thirdly as a dehumidifier.  The modern technology involved in this air conditioner is it can cool your space according to your location. The sensor in the remote control can figure out your location temperature and adjust the cooling accordingly. This air conditioner is available in quite reasonable charges. It will make sure that your electricity bills should be lower.