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Best Energy Efficient Air Conditioning Window Units

From leading brands and best sellers available on the web.

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Keystone

Keystone Energy Star 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat, Quiet High Efficiency Window AC Unit with Remote for Apartment, Medium-Large Rooms up to 550-Sq.Ft.

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LG 10000 BTU Smart Wi-Fi Enabled, Ultra-Quite, Quick and Easy Installation Window Air Conditioner with Remote, ThinQ Technology, Washable Filter, Eco-Friendly R32 Refrigerant (White)

9.8

score

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9%OFF

LG 8,000 BTU Window Air Conditioner, 115V, Cools 340 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White

9.6

score

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9%OFF

LG 10,000 BTU Smart Window Air Conditioner, 115V, Cools 450 Sq. Ft. for Bedroom, Living Room, Apartment, Dual Inverter, Quiet Operation, Energy Star, works with LG ThinQ, Amazon Alexa and Hey Google

9.4

score

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BLACK+DECKER

BLACK+DECKER BD12WT6 Window Air Conditioner with Remote Control,12000 BTU, Cools Up to 550 Square Feet, Energy Efficient, White

9.1

score

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Frigidaire

10%OFF

Frigidaire GHWQ103WC1 Inverter Quiet Temp Room Air Conditioner, 10,000 BTU with Wi-Fi Connected, Works with Alexa, Energy Star Certified, Easy-to-Clean Washable Filter, in White

8.8

score

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R.W.FLAME

R.W.FLAME 12,000 BTU Window Air Conditioners, U-Shaped Air Condtioner Unit Cools up to 550 Sq. Ft, 6 Modes 24H Timer Energy-saving Window AC Units, Full Window View, Easy to Install, White

8.5

score

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GE PROFILE

GE Profile Inverter Window Air Conditioner 10,000 BTU, WiFi Enabled, Ultra Quiet, Energy Efficient for Medium Rooms, Easy Installation with Included Kit, 10K Window AC Unit, Energy Star, White

8.2

score

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Hisense

Hisense AHW0621CR1W 6,000 Air Conditioner and Dehumidifier with Remote Control, 115V, Window AC Unit for Apartment, Dorm, Small Rooms up to 250 Square Feet in White, 6000 BTU

7.9

score

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Buying Guide for the Best Energy Efficient Air Conditioning Window Units

Choosing the right energy-efficient air conditioning window unit can make a significant difference in your comfort and energy bills. The key is to understand the various specifications and how they align with your needs. By focusing on the right features, you can ensure that you get a unit that cools effectively without consuming too much power.

Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently an air conditioner uses energy to cool a room. It is calculated by dividing the cooling capacity (in BTUs) by the power input (in watts). A higher EER indicates a more efficient unit. For example, an EER of 10 or above is considered very efficient. If you live in a hot climate or plan to use the unit frequently, opting for a higher EER can save you money on energy bills.

British Thermal Units (BTUs)BTUs measure the cooling capacity of an air conditioner. The higher the BTUs, the more space the unit can cool. For small rooms (100-300 square feet), a unit with 5,000-6,000 BTUs is sufficient. Medium-sized rooms (300-500 square feet) require 7,000-8,000 BTUs, while larger rooms (500-800 square feet) need 9,000-12,000 BTUs. Choosing the right BTU rating ensures efficient cooling without overworking the unit.

Noise LevelThe noise level of an air conditioning unit is measured in decibels (dB). Lower dB levels indicate quieter operation. For a bedroom or a quiet office, look for units with noise levels below 50 dB. For living rooms or areas where noise is less of a concern, units with noise levels up to 60 dB are acceptable. Consider where you will place the unit and how sensitive you are to noise when making your choice.

Programmable ThermostatA programmable thermostat allows you to set specific temperatures for different times of the day. This feature can help you save energy by cooling the room only when needed. If you have a regular schedule, a programmable thermostat can ensure the room is cool when you arrive home and reduce cooling when you are away, enhancing both comfort and efficiency.

Filter Type and MaintenanceAir conditioners come with different types of filters, such as washable or replaceable. Washable filters are more cost-effective in the long run, as they can be cleaned and reused. Replaceable filters need to be changed periodically, which can add to the maintenance cost. Consider how often you are willing to clean or replace the filter and whether you have any specific air quality needs, such as allergies, when choosing a unit.

Installation and SizeThe size and weight of the unit can affect how easy it is to install. Measure your window dimensions to ensure the unit will fit properly. Some units come with installation kits that make the process easier. If you are not comfortable with DIY installation, you might want to consider professional installation services. A properly installed unit will operate more efficiently and securely.

Additional FeaturesAdditional features such as remote control, sleep mode, and energy-saving mode can enhance the convenience and efficiency of your air conditioner. Remote control allows you to adjust settings from a distance, sleep mode gradually adjusts the temperature for a comfortable sleep, and energy-saving mode optimizes power usage. Consider which features are important to you based on your lifestyle and preferences.

Best Energy Efficient Air Conditioning Window Units

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Buying Guide for the Best Energy Efficient Air Conditioning Window Units