LG

LG LW1522FVSM 14000 BTU Smart Window Air Conditioner

3.6 (11 reviews)

14,000 BTU smart window AC with Dual Inverter technology, Wi-Fi control, and whisper-quiet 44 dB sleep mode.

$551.08*
In Stock on Amazon.com
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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 LW1522FVSM is a 14,000 BTU window air conditioner built around LG's Dual Inverter Compressor technology, which continuously adjusts compressor speed rather than cycling on and off like conventional units. This approach delivers consistent, efficient cooling for spaces up to 700 square feet while consuming up to 35% less energy than ENERGY STAR certification requires. The unit uses eco-friendly R32 refrigerant with a lower global warming potential, and its 4-way air deflection system distributes cooled air evenly throughout the room. Three cooling and fan speed settings give you control over airflow intensity, while sleep mode drops noise to a near-silent 44 dB.

Smart connectivity is a core feature of this unit. The built-in Wi-Fi connects to LG's ThinQ app, letting you adjust temperature, set schedules, and monitor energy usage from your phone. Google Assistant and Amazon Alexa compatibility adds voice control for hands-free convenience. On the practical side, the slide-in/out chassis and included EZ Mount installation kit make setup in double-hung windows (27–39 inches wide, 16 inches minimum height) as straightforward as possible for a unit of this size. A slide-out air filter simplifies maintenance — LG recommends cleaning it every 30 days for optimal performance.

Key Features

[Maximum Cooling] Cooling Coverage up to 700 Square ft. is ideal for cooling large to x-large rooms with 14,000 BTU Window AC, AC Unit for 1 room or space

[Efficient, Energy Saving Inverter Technology] LG Inverter Portable Air Conditioners are up to 35% more energy savings than the ENERGY STAR certification requirement. Enjoy LG's innovative Inverter Technology that is both powerful and quiet in your house, office or room. Eco-friendly R32 refrigerant.

[Lo-Decibel Quiet Operation] LG Window Air Conditioners operate at sound levels as low as 44dB (sleep mode). Thanks to LG's unique BLDC Motor and DUAL Inverter Compressor, eliminating unnecessary noise for smooth operation that you will barely notice.

[Control the air from anywhere with LG ThinQ App] When the temperatures rise outside, change the forecast inside. Available LG ThinQ technology lets you control your LG ac unit from your mobile device. The window ac units are even compatible with Google Assistant and Amazon Alexa to control with voice command.

[Easy Installation & Cleaning] This AC has a slide in & out chassis and installs easily in a double hung window (size W 27" - 39" x H 16") 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

Specifications

Brand
LG
Model
LW1522FVSM
Cooling Capacity
14,000 BTU
Coverage Area
Up to 700 sq ft
Technology
Dual Inverter Compressor
Connectivity
Wi-Fi (LG ThinQ), Google Assistant, Amazon Alexa
Voltage
115 Volts
Noise Level
53 dB (44 dB sleep mode)
Refrigerant
R-32
Fan Speeds
3 Cooling and Fan Speeds
Air Deflection
4-Way
Window Fit
W 27"–39" x H 16" (double-hung)
Dimensions
22.32"D x 23.62"W x 15"H
Weight
85 lbs
Color
White

Pros & Cons

👍 Pros

  • Dual Inverter Compressor delivers up to 35% greater energy savings than ENERGY STAR standards
  • Sleep mode operates at just 44 dB for minimal nighttime disturbance
  • Wi-Fi connectivity with LG ThinQ app and voice assistant compatibility for remote control
  • Slide-in/out chassis and included EZ Mount kit simplify installation in double-hung windows
  • Eco-friendly R32 refrigerant with lower global warming potential

👎 Cons

  • At 85 pounds, the unit is heavy and may require two people to install
  • Only fits double-hung windows — not compatible with casement or sliding window types
  • Requires a standard 115V outlet but draws significant current, so a dedicated circuit is recommended
  • Window opening range of 27–39 inches excludes narrower or wider window frames

Frequently Asked Questions

It's rated for rooms up to 700 square feet, making it suitable for large bedrooms, living rooms, or open-plan studio apartments.
It operates at 53 dB in standard mode and drops as low as 44 dB in sleep mode, thanks to LG's BLDC Motor and Dual Inverter Compressor — quiet enough to sleep through comfortably.
You can control it through the LG ThinQ app on your phone, and it's compatible with both Google Assistant and Amazon Alexa for voice commands.
It fits double-hung windows between 27 and 39 inches wide with a minimum height of 16 inches. An EZ Mount installation kit is included.
Unlike conventional compressors that cycle on and off, the Dual Inverter Compressor adjusts speed continuously, delivering up to 35% more energy savings than ENERGY STAR requirements while maintaining consistent temperature with less noise.