Overview

  • Smart Control Anywhere, Anytime
    Seamlessly manage your LG air conditioner with LG ThinQ Technology, enabling remote control of cooling functions. Adjust temperature, modes, or power settings even when you’re away, with voice command compatibility through Amazon Alexa and Hey Google for added convenience.
  • Low Noise Performance
    Experience tranquility with LG window air conditioners operating as quietly as 52dB in low mode, ensuring a peaceful environment while efficiently cooling your space.
  • Energy-Saving Innovation
    With energy-efficient technologies meeting high standards, this air conditioner is ENERGY STAR certified, helping you save on electricity costs without compromising performance.
  • Customizable Cooling Options
    Enjoy personalized comfort with three cooling and fan speeds, along with an Auto Cool feature that adapts to your needs, providing tailored cooling solutions for maximum comfort.
  • Efficient Cooling for Large Areas
    The LW1521ERSM is designed to cool sizable rooms up to 700 square feet (20′ x 40′), ensuring optimal cooling performance and comfort for larger living spaces.

Will it fit your kitchen?

Width
23 5/8 in.
Height
15 in.
Depth
22 1/8 in.
Min. doorway to bring it in
23 1/4 in.
Recommended clearance
Cut-out and clearances are in the manufacturer's installation guide

Measure your opening, doorways and hallways before you buy. Sizes shown are for the model you selected. · Weight 82 pounds

Check your space — enter measurements in inches

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Specifications

Capacity & configuration

Control Type
Button
Filter Type
Washable
Air Conditioner Type
Window

Dimensions & weight

Product Name
700 Sq. Ft. 14,000 BTU Smart Window Air Conditioner
Minimum Window Opening Height
16 inches
Minimum Window Opening Width
27 inches
Maximum Window Opening Height
16 inches
Maximum Window Opening Width
39 inches
Product Height
15 inches
Product Width
23.63 inches
Product Depth
22.17 inches
Product Weight
82 pounds

Features

Brand
LG
Color
White
Cord Length
72 inches
Recommended Room Size
700 square feet
BTU Cooling Rating
14000 british thermal units
Number of Cool Settings
3
Number of Fan Speeds
3
Airflow Rate
505 cubic feet per minute
Maximum Noise Level
54 decibels adjusted
Remote Control
Yes
Integrated Heater
No
Filter Indicator Light(s)
Yes
Sleep Mode
Yes
Timer
Yes
Auto Shut-Off
Yes
Combined Energy Efficiency Ratio (CEER)
11.8
Amperage
11.8 amperes
ENERGY STAR Certified
No
App Compatible
No
Wireless Connectivity
None
Window Mounting Kit Included
Yes
UPC
048231606585

Power & warranty

Model Number
LW1521ERSM1
Voltage Requirement
115
Warranty - Parts
1 year
Warranty - Labor
1 year

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

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Questions & answers

Ask a question

Email [email protected] or call (888) 419-6820 during business hours.

Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
We can install it tooOptional in-home delivery, installation and haul-away on large appliances.
Talk to our team(888) 419-6820 · Mon–Sat