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LG LW5023 5000 BTU Window Air Conditioner Small Room — main product image
LG LW5023 5000 BTU Window Air Conditioner Small Room
LG LW5023 5000 BTU Window Air Conditioner Small Room
LG LW5023 5000 BTU Window Air Conditioner Small Room
LG LW5023 5000 BTU Window Air Conditioner Small Room
LG LW5023 5000 BTU Window Air Conditioner Small Room
LG LW5023 5000 BTU Window Air Conditioner Small Room
LG

LG LW5023 5000 BTU Window Air Conditioner Small Room

★★★★★4.3 (245 reviews)

Cool small rooms up to 150 sq. ft. quietly and efficiently with LG's compact 5,000 BTU window air conditioner and easy-mount installation.

$189.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The LG LW5023 is a 5,000 BTU window air conditioner built for cooling small spaces up to 150 square feet. It uses a fixed-chassis design that installs into double-hung windows ranging from 21 to 35 inches wide with a minimum height of 12 inches, and LG includes an EZ Mount installation kit to simplify the process. Controls are entirely mechanical — a set of dials on the front panel lets you select between two cooling modes and two fan speeds. There is no remote, no digital display, and no app connectivity, which keeps the unit simple to operate but limits convenience features that some users may expect.

Where the LW5023 earns its value is in quiet, efficient day-to-day operation. At its low setting, the unit produces just 50 dB of noise, making it unobtrusive in bedrooms or small offices. The eco-friendly R32 refrigerant aligns with current environmental standards, and the built-in Energy Save function cycles the compressor off when the room reaches the target temperature, helping to reduce electricity costs over the cooling season. Maintenance is minimal thanks to a slide-out washable filter that LG recommends cleaning monthly. For anyone looking for reliable, budget-conscious cooling in a compact form factor without the complexity of smart features, this LG unit delivers the essentials cleanly.

Key Features

[Maximum Cooling] Cooling Coverage up to 150 Square ft. is ideal for cooling small rooms with 5,000 BTU window air conditioner for 1 room or space.Frequency : 60 hertz

[Quiet & Easy to Control] LG Air Conditioners operate at sound levels as low as 50dB (low mode). Mechanical controls for AC unit make it easy to enjoy your window air conditioner's settings.

[Easy Installation & Cleaning] This AC has a fixed chassis and installs easily in a double hung window (size W 21" - 35" x H 12") with included EZ Mount installation kit; slide-out filter makes cleaning a breeze to keeps your unit running its best when cleaned every 30 days

[Easy-to-Clean Washable Filter] Captures particles from the air and keep your dehumidifier working efficiently with our easy-to-clean washable filter. window ac unit aire acondicionado de ventana

[Multiple Fan Speeds & Energy Save Function] Two cooling modes and two fan speeds let you customize your cool. Energy Save Function for lower electricity bill, Eco-friendly R32 refrigerant. air evaporative evaporative chill well artic arctic airconditioner swamp cooler conditioner personal cool acon cold frio enfriar aireacondicionado acondicionador fuerte bueno confiable robusto verano window ac unit de ventana aire acondicionado caliente para cuarto airconditoner mini aircon aircondi habitacion airconditi aircondition air condition

Specifications

Brand
LG
Model
LW5023
Cooling Capacity
5,000 BTU
Coverage Area
Up to 150 sq. ft.
Control Type
Mechanical
Noise Level
As low as 50 dB (low mode)
Fan Speeds
2
Cooling Modes
2
Refrigerant
R32 (Eco-friendly)
Filter
Washable, Slide-out
Energy Feature
Energy Save Function
Frequency
60 Hz
Voltage
115 Volts
Window Fit
W 21"–35" x H 12" (Double-hung)
Installation
EZ Mount Kit Included
Chassis
Fixed
Color
White
Dimensions
14.37"D x 17.32"W x 11.14"H

Pros & Cons

👍 Pros

  • Compact dimensions fit easily into small window openings without dominating the room
  • Quiet operation at 50 dB on low mode suits bedrooms and workspaces
  • Washable, slide-out filter eliminates ongoing replacement filter costs
  • EZ Mount installation kit included for straightforward double-hung window setup
  • Energy Save function reduces electricity consumption when full cooling is not needed

👎 Cons

  • Mechanical controls only — no remote control, Wi-Fi, or smart home integration
  • 5,000 BTU capacity is insufficient for rooms larger than 150 sq. ft.
  • Two fan speeds provide limited airflow customization compared to units with three or more settings
  • Fixed chassis design does not slide out for easier seasonal maintenance or storage

Frequently Asked Questions

The LG LW5023 is rated to cool rooms up to 150 square feet, making it suitable for bedrooms, home offices, dorm rooms, and other small spaces.
The unit operates at sound levels as low as 50 dB on the low fan setting, which is roughly comparable to the ambient noise level of a quiet office.
It is designed for double-hung windows with openings between 21 and 35 inches wide and at least 12 inches tall. An EZ Mount installation kit is included.
No. The filter is washable and reusable. LG recommends sliding it out and cleaning it every 30 days to maintain efficient operation.
It uses R32 refrigerant, which is an eco-friendly option with a lower global warming potential compared to older refrigerants like R410A.

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