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Quick Specs:
- Color: White
- Width: 25 49/50"
- Height: 17 17/25"
- Depth: 28 1/9"
- Type: Window
- Wi-Fi: Yes
- CFM: 530
- Nominal BTU Capacity: 18000
- Cooling BTU Capacity: 18000
- Cooling Area (sq. ft.): 1000
- EER: 11.9
- Voltage: 230
- Amps: 7.5
- Plug Type: 6-15P
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LG LW1821ERSM Smart 18,000 BTU 230V Smart Wi-Fi Enabled Window Air Conditioner
You save $63.00
$526.00
Availability: In Stock
Rebate Available (Save up to $1000.00)
$526.00
Availability: In Stock
Availability: In Stock
Quick Specs:
- Color: White
- Width: 25 49/50"
- Height: 17 17/25"
- Depth: 28 1/9"
- Type: Window
- Wi-Fi: Yes
- CFM: 530
- Nominal BTU Capacity: 18000
- Cooling BTU Capacity: 18000
- Cooling Area (sq. ft.): 1000
- EER: 11.9
- Voltage: 230
- Amps: 7.5
- Plug Type: 6-15P
0
People watching this product now!
Description
Maximum Cooling
LG air conditioners provide exceptional cooling power that will keep you and your family cool, comfortable, and in control.
Control Your Cool From Anywhere
Control key air conditioner features from your phone or favorite smart speaker with the ThinQ® app.
Modern Design Made to Perfection
LG window air conditioners add powerful performance and stable durability to perfectly match your window frame.
Additional Features:
- Cooling: 18,000 BTU
- Estimated Cooling Area: 1,000 Sq. Ft
- LG ThinQ® Technology
- 3 Cooling and 3 Fan Speeds With Auto Cool
- Easy To Use Electronic Controls
- Automatically Restarts After Power Failure
- Window Installation Kit Included
Specifications | |
| Brand | LG |
Appearance | |
| Color | White |
| Color Family | White |
Dimensions | |
| Exterior Width | 26" |
| Width | 25 49/50" |
| Depth | 28 1/9" |
| Height | 17 17/25" |
Style | |
| Type | Window |
Capacity | |
| Nominal BTU Capacity | 18000 |
| Cooling Area (sq. ft.) | 1000 |
| Cooling BTU Capacity | 18000 |
| Dehumidification (Pts/Hr) | 4.9 |
| EER | 11.9 |
Smart Features | |
| Smart Appliance | Yes |
| Wi-Fi | Yes |
Technical Details | |
| Voltage | 230 |
| Amps | 7.5 |
| Plug Type | 6-15P |
| Refrigerant Type | R-32 |
Certifications | |
| CEER | 11.8 |
Features | |
| CFM | 530 |
| Control Type | Digital |
| Timer | Yes |
| Washable Filter | Yes |
| Chassis Type | Slide Out |
| Auto Restart | Yes |
| Remote Controller | Included |
| Number of Cooling Speeds | 3 |
Specifications
| Brand | LG |
|---|---|
|
Appearance |
|
| Color | White |
| Color Family | White |
|
Dimensions |
|
| Exterior Width | 26" |
| Width | 25 49/50" |
| Depth | 28 1/9" |
| Height | 17 17/25" |
|
Style |
|
| Type | Window |
|
Capacity |
|
| Nominal BTU Capacity | 18000 |
| Cooling Area (sq. ft.) | 1000 |
| Cooling BTU Capacity | 18000 |
| Dehumidification (Pts/Hr) | 4.9 |
| EER | 11.9 |
|
Smart Features |
|
| Smart Appliance | Yes |
| Wi-Fi | Yes |
|
Technical Details |
|
| Voltage | 230 |
| Amps | 7.5 |
| Plug Type | 6-15P |
| Refrigerant Type | R-32 |
|
Certifications |
|
| CEER | 11.8 |
|
Features |
|
| CFM | 530 |
| Control Type | Digital |
| Timer | Yes |
| Washable Filter | Yes |
| Chassis Type | Slide Out |
| Auto Restart | Yes |
| Remote Controller | Included |
| Number of Cooling Speeds | 3 |
Features
Quiet Operation
LG Window Air Conditioners operate at quiet sound (when in low mode) eliminating unnecessary noise for smooth operation that you'll barely notice.
Control Your Cool From Anywhere
Control key air conditioner features from your phone or favorite smart speaker with the ThinQ® app.
Maximum Cooling
LG window air conditioners provide exceptional cooling power that will keep you and your family cool, comfortable, and in control.
Maximum Usability
Operate with LED display and simple selection control panel, up/down temperature adjustments, and fan speed selection, using the full-featured remote without leaving your bed, workspace, or couch.
3-in-1 Operation
Use cool mode for powerful cooling and dehumidifying on hot days. In fan mode, the fan circulates the air in the room. Dry mode is ideal for damp, rainy days.
Installation Made Easy
This unit comes with our simple and convenient installation kit, so you can set up your air conditioner with ease.
Modern Design Made to Perfection
LG window air conditioners add powerful performance and stable durability to perfectly match your window frame.1
Documents (6)
Rebates (1)
LG Earth Day Rebate Save up to $1000 (Download)
LG Earth Day Rebate Save up to $1000.
The smart choice for sustainable savings.
Get an extra online rebate up to $1000 when you bundle eligible LG home appliances:
- $100 when you buy 2
- $300 when you buy 3
- $500 when you buy 4+
- $800 when you buy 4 LG STUDIO
- $1000 when you buy 5+ LG Studio
Valid April 3, 2025 - June 17, 2025
Reviews
Questions
Homery Bot
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov
Customer Reviews
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