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The 3 Best 18000 BTU Window Air Conditioners June, 2024 (And 5 Other Models)

Our list of the newest 18000 BTU window air conditioners includes only air conditioners that obey to these rules:
  • Being 18000 BTU rated and designed to fit windows (May include some closely-rated 19000 BTU models). Most 18000 BTU window air conditioners require a 230-240V power outlet -- if that's not a possibility for you, consider installing two 120V 10,000 BTU Acs in different parts of your home.

The List :
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25.4
in
hole width
18500
BTU A/C rating
17.9
in
height
  • Through-the-wall Installation
  • Window Mounting Kit
  • Remote control
  • With Built-in Heater
  • Fits 230-240V Power Outlets
Why The Keystone KSTHW18A?
  1. 464 ratings were analyzed across 2 sources, resulting in a 8.5/10 average.
  2. Chosen by AlphaBot as being the most likely best choice 18000 BTU window air conditioner for 2024 at this point
  3. Learn About Our Very Special Ranking System


  • Through-the-wall Installation
  • Window Mounting Kit
  • Remote control
  • With Built-in Heater
  • Fits 230-240V Power Outlets
Why The Keystone KSTHW18A?
  1. 464 ratings were analyzed across 2 sources, resulting in a 8.5/10 average.
  2. Chosen by AlphaBot as being the most likely best choice 18000 BTU window air conditioner for 2024 at this point
  3. Learn About Our Very Special Ranking System

You Should Also Check Out: Top 10 Best Wall Air Conditioners 2024
26
in
hole width
18000
BTU A/C rating
44
dB
Noise Level
81
$
Annual Cost
  • Wi-Fi Enabled
  • Alexa-compatible
  • Remote control
  • Fits 230-240V Power Outlets
Why The LG LW1817IVSM?
  1. 1,683 ratings were analyzed across 2 sources, resulting in a 9/10 average.


  • Wi-Fi Enabled
  • Alexa-compatible
  • Remote control
  • Fits 230-240V Power Outlets
Why The LG LW1817IVSM?
  1. 1,683 ratings were analyzed across 2 sources, resulting in a 9/10 average.

You Should Also Check Out: Top 10 Best Quiet Air Conditioners 2024
23.6
in
hole width
17700
BTU A/C rating
11.8
EER
17.9
in
height
  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 115-120V Power Outlets
Why The Keystone KSTAW18C?
  1. 43 ratings were analyzed across 3 sources, resulting in a 6.6/10 average.


  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 115-120V Power Outlets
Why The Keystone KSTAW18C?
  1. 43 ratings were analyzed across 3 sources, resulting in a 6.6/10 average.

6 More 18000 BTU window air conditioners, Sorted By The Latest Model First:

38
in
hole width
18000
BTU A/C rating
46
dB
Noise Level
13
in
height
  • Remote control
  • Dehumidification Mode
  • With Built-in Heater
  • Fits 230-240V Power Outlets
Why The Simoe FP10155US?
  1. 21 ratings were analyzed across 2 sources, resulting in a 8.5/10 average.


  • Remote control
  • Dehumidification Mode
  • With Built-in Heater
  • Fits 230-240V Power Outlets
Why The Simoe FP10155US?
  1. 21 ratings were analyzed across 2 sources, resulting in a 8.5/10 average.

38
in
hole width
18000
BTU A/C rating
42
dB
Noise Level
13
in
height
  • Remote control
  • Dehumidification Mode
  • With Built-in Heater
  • Fits 230-240V Power Outlets
Why The Simoe FP10154US?
  1. 21 ratings were analyzed across 2 sources, resulting in a 8.5/10 average.


  • Remote control
  • Dehumidification Mode
  • With Built-in Heater
  • Fits 230-240V Power Outlets
Why The Simoe FP10154US?
  1. 21 ratings were analyzed across 2 sources, resulting in a 8.5/10 average.

23.88
in
hole width
18000
BTU A/C rating
11.8
EER
149
$
Annual Cost
  • Through-the-wall Installation
  • Energy Star Compliant
  • Wi-Fi Enabled
  • Remote control
  • Fits 230-240V Power Outlets
Why The Friedrich Chill Premier CCW18B30A?
  1. 23 ratings were analyzed across 2 sources, resulting in a 7.2/10 average.


  • Through-the-wall Installation
  • Energy Star Compliant
  • Wi-Fi Enabled
  • Remote control
  • Fits 230-240V Power Outlets
Why The Friedrich Chill Premier CCW18B30A?
  1. 23 ratings were analyzed across 2 sources, resulting in a 7.2/10 average.

25.4
in
hole width
18000
BTU A/C rating
11.9
EER
54
dB
Noise Level
  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 230-240V Power Outlets
Why The Amana AMAP182BW?
  1. 75 ratings were analyzed across 2 sources, resulting in a 8.3/10 average.


  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 230-240V Power Outlets
Why The Amana AMAP182BW?
  1. 75 ratings were analyzed across 2 sources, resulting in a 8.3/10 average.

23.25
in
hole width
18000
BTU A/C rating
11.8
EER
54
dB
Noise Level
  • Energy Star Compliant
  • Remote control
  • Fits 230-240V Power Outlets
Why The Perfect Aire 4PAC18000?
  1. 10 ratings were analyzed across 3 sources, resulting in a 8.4/10 average.


  • Energy Star Compliant
  • Remote control
  • Fits 230-240V Power Outlets
Why The Perfect Aire 4PAC18000?
  1. 10 ratings were analyzed across 3 sources, resulting in a 8.4/10 average.


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