Here Are The Top 10 Best Energy-efficient Air Conditioners 2021
Alphachooser's list of the newest energy-efficient air conditioners includes only air conditioners that obey to these criteria:
- They must have an energy-efficiency ratio (EER) of 11 or above, which is kind of rare, and a similar combined energy-efficiency ratio (CEER)
- They may, but do not necessarily have to be Energy-Star accredited
- When not specified, Energy Star efficiency ratings specified in annual cost are generally based on a 12 cents per Kwh electricty rate and 8-hour-per-day use over 3 months)
The List:
* How do we know? Here is how we rank items...
Considering this energy-efficient air conditioner's aggregate ranking of 92%, we believe that the Midea MAW08R1BWT is currently Alphachooser's best energy-efficient air conditioner 2021. Furthermore, we think that our sample of 4846 reviews from multiple sources gives us a high confidence level (more on confidence levels) that justifies labelling it a "no-brainer best choice."

Midea MAW08R1BWT
- Energy Star Compliant
- Remote control
4846 Reviews

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With its 4.5 stars computed from 7991 reviews, here is what we consider second best energy-efficient air conditioner. * By the way, this list is based on a full analysis of hundreds of energy-efficient air conditioner reviews from around the web.

Frigidaire FFRE123WAE
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
7991 Reviews

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Frigidaire FFRA081ZAE
- Window Mounting Kit
- Energy Star Compliant
- Fits 115-120V Power Outlets
7247 Reviews

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Frigidaire FFRA051WAE
- Window Mounting Kit
- Energy Star Compliant
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
6556 Reviews

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Frigidaire FFRE083WAE
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
8887 Reviews

Senville SENL/18CD
- Energy Star Compliant
- Remote control
- With Built-in Heater
- Removable Water Tank
- Fits 230-240V Power Outlets
2108 Reviews

Midea MAW05M1BWT
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
5461 Reviews

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Midea MAW06R1BWT
- Energy Star Compliant
4857 Reviews

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Frigidaire FFRE103WAE
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
7196 Reviews

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Senville SENL/09CD
- Energy Star Compliant
- Remote control
- With Built-in Heater
- Removable Water Tank
- Fits 115-120V Power Outlets
1973 Reviews

Friedrich Chill Premier CCW18B30A
- Through-the-wall Installation
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- Fits 230-240V Power Outlets
-- Reviews

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More energy-efficient air conditioners, sorted by the latest model first:

TaoTronics TT-AC001
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
475 Reviews

Perfect Aire 5PAC15000
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
4 Reviews

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Perfect Aire 5PAC5000
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
-- Reviews

Perfect Aire 5PMC5000
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
197 Reviews

Tosot Tranquility 8000 BTU
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
51 Reviews

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Midea Arctic King WWK05CM91N
- Window Mounting Kit
- Energy Star Compliant
- Dehumidification Mode
- Fits 115-120V Power Outlets
1630 Reviews

Emerson Quiet Kool EARC8RSE1
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Fits 115-120V Power Outlets
84 Reviews

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Senville Aura SENA-18HF/ICZ
- Energy Star Compliant
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
23 Reviews

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Friedrich CCF06A10A
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Fits 115-120V Power Outlets
208 Reviews

Cooper and Hunter Dakota CH-24DKT230VI
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
6 Reviews

Cooper and Hunter Dakota CH-18DKT230VI
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
2 Reviews

Cooper and Hunter Dakota CH-12DKT230VI
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
2 Reviews

Cooper and Hunter Dakota CH-09DKT230VI
- Drain Condensate Evacuation
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
6 Reviews

Klimaire KSIV018-H219-S(W)
- Energy Star Compliant
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
232 Reviews

Klimaire KSIV009-H218-S(W)
- Energy Star Compliant
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
225 Reviews

Friedrich CCF05A10A
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Fits 115-120V Power Outlets
81 Reviews

Frigidaire FGRC084WAE
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
64 Reviews

Koldfront WAC12003WCO
- Energy Star Compliant
- Remote control
- Dehumidification Mode
- Fits 115-120V Power Outlets
282 Reviews

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Friedrich CCF10A10A
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Fits 115-120V Power Outlets
44 Reviews

Friedrich CCF12A10A
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Fits 115-120V Power Outlets
65 Reviews

Friedrich CCF08A10A
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Fits 115-120V Power Outlets
70 Reviews

Tosot Chalet 10000-BTU
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
837 Reviews

Tosot Chalet 8000-BTU
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
872 Reviews

Frigidaire FFRA051ZA1
- Window Mounting Kit
- Energy Star Compliant
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
1746 Reviews

Frigidaire FFRE063ZA1
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
1333 Reviews

Frigidaire FFRE103ZA1
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
672 Reviews

Frigidaire FFRE083ZA1
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
1170 Reviews

Frigidaire FFRE053ZA1
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
866 Reviews

Frigidaire FFRE1833U2
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 230-240V Power Outlets
164 Reviews

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SoleusAir WS2-10E-201
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Dehumidification Mode
- Fits 115-120V Power Outlets
16 Reviews

Frigidaire 5000-BTU
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
77 Reviews

Koldfront CAC8000W
- Energy Star Compliant
- Remote control
- Dehumidification Mode
- Fits 115-120V Power Outlets
195 Reviews

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Della 048-TL-WAC12K
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
55 Reviews

Della 048-TL-WAC10K
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
56 Reviews

Frigidaire FFRE1233U1
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
358 Reviews

Frigidaire FFRA0511U1
- Window Mounting Kit
- Energy Star Compliant
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
568 Reviews

Frigidaire FFRE0633U1
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
89 Reviews

Senville Aura SENA-48HF/D
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
6 Reviews

TCL TWC-06CR/UH
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
120 Reviews

Della 048-TL-WAC15K
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
76 Reviews

Olmo Alpic OS-18ALP230VGF
- Energy Star Compliant
- With Built-in Heater
- Fits 230-240V Power Outlets
84 Reviews

DuctlessAire Evolution DA2421-H2
- Energy Star Compliant
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
74 Reviews

Whirlpool WHAW121BW
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
447 Reviews

Senville SENA/36HF/Q
- Energy Star Compliant
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
-- Reviews

Boreal Equinox EQX12HPJ1IB
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- Fits 230-240V Power Outlets
-- Reviews

Boreal Equinox EQX12HPJ1OB
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- Fits 230-240V Power Outlets
7 Reviews

Frigidaire FFRE0833U1
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
1841 Reviews

Frigidaire FFRA0611U1
- Window Mounting Kit
- Energy Star Compliant
- Fits 115-120V Power Outlets
249 Reviews

Perfect Aire 5SAC12000
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- Fits 115-120V Power Outlets
-- Reviews

Amana AMAP182BW
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 230-240V Power Outlets
1162 Reviews

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Amana AMAP081BW
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
1290 Reviews

Amana 10000-BTU Air Conditioner
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
1192 Reviews

Amana 12000-BTU Air Conditioner
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
701 Reviews

Haier ESAQ406T
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
1312 Reviews

Gree VIR18HP230V1B
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
-- Reviews

Gree VIR24HP230V1B
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
2 Reviews

Gree VIR12HP230V1B
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- With Built-in Heater
- Fits 115-120V Power Outlets
- Fits 230-240V Power Outlets
8 Reviews

Gree VIR09HP230V1B
- Energy Star Compliant
- Wi-Fi Enabled
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
4 Reviews

Whirlpool 10000-BTU
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
134 Reviews

LG LW1816HR
- Energy Star Compliant
- Remote control
- With Built-in Heater
- Fits 230-240V Power Outlets
95 Reviews

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Emerson EARC15RE1
- Through-the-wall Installation
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
1676 Reviews

Emerson Quiet Kool EARC5RD1
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
1567 Reviews

Emerson Quiet Kool EARC10RE1
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
1642 Reviews

Emerson EARC12RE1
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Fits 115-120V Power Outlets
3064 Reviews

Frigidaire FGRC1044T1
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
1925 Reviews

Frigidaire FGPC1244T1
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Anti-bacterial Filter
1136 Reviews

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Frigidaire FGRC1244T1
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Anti-bacterial Filter
- Fits 115-120V Power Outlets
2466 Reviews

LG LW1217ERSM
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Fits 115-120V Power Outlets
7151 Reviews

LG LW8017ERSM
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Fits 115-120V Power Outlets
3943 Reviews

LG LW1017ERSM
- Window Mounting Kit
- Energy Star Compliant
- Wi-Fi Enabled
- Alexa-compatible
- Remote control
- Fits 115-120V Power Outlets
3602 Reviews

Frigidaire FFRE1833S2
- Window Mounting Kit
- Energy Star Compliant
- Remote control
- Anti-bacterial Filter
- Fits 230-240V Power Outlets
3380 Reviews

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