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Limit 5 per order · Extended holiday returns
Returnable until Jan 15, 2027
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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At a glance
- Condition
- New
- Recommended Room Size
- 1000 square'
- Model
- LW1821ERSM
- Dimensions
- 17.68H × 25.98W × 28.11D in
- Weight
- 130 lb
- Color
- White
- Cord Length
- 4.4 in
- In the box
- Window Air ConditionerWindow Installation kitRemote control
- Warranty
- Parts: 1 year limited · Labor: 1 year limited
- Works with
- Amazon Alexa
Features 6
- Total Remote Control Utilize LG ThinQ Technology to command your LG LW1821ERSM window air conditioner from anywhere, managing cooling, modes, and temperature adjustments even on the go with seamless compatibility with Amazon Alexa and Hey Google, for unmatched convenience.
- Whisper-Quiet Operation Enjoy peaceful and undisturbed surroundings as the LG LW1821ERSM window air conditioner operates at remarkably low sound levels as quiet as 52dB in low mode, making it perfect for creating serene sleep and work environments.
- Customized Airflow With 3 cooling and fan speeds combined with the Auto Cool feature, fine-tune the airflow of your LW1821ERSM to fit your specific requirements, ensuring personalized comfort at all times.
- Energy-Saving Schedule Craft a tailored cooling schedule to cut down on energy expenses using the 24-hour on/off timer feature, offering proactive energy conservation without compromising on comfort.
- Roomy Cooling Coverage The LG LW1821ERSM is designed to effortlessly cool large rooms up to 1,000 sq ft (25' x 40'), making it the ideal choice for bedrooms, offices, or any spacious area seeking consistent cooling performance.
- Voltage Requirement This unit requires a special 230V electrical outlet and will not operate with a standard 115V outlet
Description
Take control of your indoor climate with the LG LW1821ERSM Window Air Conditioner! Experience optimal cooling for large rooms up to 1,000 sq ft with 3 cooling and fan speeds, a 24-hour timer, and 4-way air deflection for complete customization. The unit's revolutionary LG ThinQ technology lets you cool your home remotely via your smartphone, Amazon Alexa, or Hey Google. This ultra-quiet, high-efficiency unit provides top-notch performance while consuming minimum power. Additional features include an automatic restart function after power outages, a remote control, an easy installation kit, a slide-out washable filter, and a check filter alert, ensuring effortless maintenance and a seamless cooling experience. (Please note: Requires a special 230V electrical outlet)
Specs 35
| Brand | LG |
|---|---|
| Model Number | LW1821ERSM |
| Color | White |
| Minimum Window Opening Height | 19 inches |
| Minimum Window Opening Width | 29 inches |
| Maximum Window Opening Height | 19 inches |
| Maximum Window Opening Width | 41 inches |
| Product Height | 17.68 inches |
| Product Width | 25.98 inches |
| Product Depth | 28.11 inches |
| Product Weight | 130 pounds |
| Cord Length | 4.4 inches |
| Recommended Room Size | 1000 square feet |
| BTU Cooling Rating | 18000 british thermal units |
| Number of Cool Settings | 3 |
| Number of Fan Speeds | 3 |
| Airflow Rate | 530 cubic feet per minute |
| Maximum Noise Level | 65 decibels adjusted |
| Moisture Removal Capacity | 4.9 pints per day |
| Remote Control | Yes |
| Control Type | Button |
| Display Type | LED |
| Integrated Heater | No |
| Sleep Mode | No |
| Timer | Yes |
| Auto Shut-Off | No |
| Combined Energy Efficiency Ratio (CEER) | 11.8 |
| Voltage Requirement | 230 |
| Amperage | 15 amperes |
| Estimated Annual Electricity Use | 11.9 kilowatt hours |
| ENERGY STAR Certified | No |
| App Compatible | Yes |
| Wireless Connectivity | Wi-Fi |
| Window Mounting Kit Included | Yes |
| Air Conditioner Type | Window |
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Frequently asked questions
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View our full returns policy here.
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