LG

LG LW1516ER 15000 BTU Window Air Conditioner 800 Sq. Ft.

4.2 (852 reviews)

LG 15,000 BTU window air conditioner that cools rooms up to 800 sq. ft. with three-speed electronic controls and remote.

$999.70*
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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 LW1516ER delivers 15,000 BTU of cooling power through a traditional window-mount design, making it a practical choice for large bedrooms, living rooms, open-plan apartments, and similar spaces up to 800 square feet. Three cooling speeds and three fan speeds provide a range of output options, while the Auto Cool mode automatically adjusts fan speed based on the room's current temperature to maintain your set comfort level. Four-way air deflection distributes cooled air evenly throughout the room, reducing hot spots and improving overall circulation.

Day-to-day operation is handled through an electronic control panel on the unit itself or via the included remote control, which lets you adjust temperature, fan speed, and timer settings from anywhere in the room. The 24-hour programmable timer allows you to schedule the unit to turn on before you arrive home or shut off after you fall asleep, helping to manage energy usage. The Auto Restart feature ensures the unit powers back on with your previous settings intact after any electrical interruption. Maintenance is simplified by a removable, washable filter paired with a check filter alert that reminds you when cleaning is due — no replacement filters to purchase. Running on standard 115-volt power, the LW1516ER installs into most double-hung windows without requiring special electrical work.

Key Features

Multiple Fan Speeds: 3 cooling and fan speeds with Auto Cool allow you to customize your cooling

Maximum Usability: Easy to use electronic controls with remote

Auto Restart: After a power failure, Auto Restart will automatically turn the unit back on when power is restored

Cools Rooms up to 800 Sq. Ft.: LW1516ER is ideal for cooling medium rooms (20' X 40')

Specifications

Brand
LG
Model
LW1516ER
Cooling Capacity
15,000 BTU
Coverage Area
Up to 800 sq. ft. (20' x 40')
Voltage
115V
Cooling Speeds
3
Fan Speeds
3
Controls
Electronic with remote
Filter
Removable, washable with check filter alert
Air Deflection
4-way
Auto Restart
Yes
Timer
24-hour programmable

Pros & Cons

👍 Pros

  • 15,000 BTU cooling capacity handles large rooms up to 800 sq. ft. without supplemental units
  • Three cooling and fan speed settings plus Auto Cool mode allow flexible comfort control
  • Auto Restart restores your previous settings automatically after a power interruption
  • Included remote control enables temperature and fan adjustments from across the room
  • Washable filter with check filter alert reduces ongoing maintenance costs

👎 Cons

  • Window-mounted design blocks part of the window view and natural light
  • At 15,000 BTU on 115 volts, the unit draws significant current and may trip breakers if sharing a circuit
  • Larger BTU capacity means the unit is heavier and more difficult to install than smaller window ACs
  • No heating or heat pump mode limits the unit to cooling-season use only

Frequently Asked Questions

The LW1516ER is rated to cool rooms up to 800 square feet, which is roughly equivalent to a 20-by-40-foot space such as a large living room, master bedroom suite, or open-plan studio.
Yes, the Auto Restart feature remembers your last settings and automatically turns the unit back on when power is restored, so you do not need to manually reset it after an outage.
The LW1516ER operates on a standard 115-volt household outlet. No special wiring or dedicated circuit is required, though it is recommended to avoid sharing the outlet with other high-draw appliances.
The unit has a removable, washable filter that can be rinsed with water and reused. A check filter alert notifies you when it is time to clean the filter, eliminating the need to track maintenance schedules manually.