10 Best 18000 Btu Window Air Conditioner in 2024: Top Rated

Reliable Air Conditioning: Keystone proudly produces consistent cooling to provide you comfort even on the hottest days; Our powerful 18,000 BTU window air conditioner is what you need to efficiently cool your apartment, bedroom, garage or any larger sized room up to 1000 Sq.Ft.

Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; Aside from cooling, 3.8 pints of moisture from the air is removed every hour with the efficient built-in dehumidification system

Smart Remote Control: The remote control takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your AC unit every 3 minutes for accurate cooling, no matter where you are in your home

Energy Saving Comfort: Our Energy Star certified AC will give your electric bill a break by using the 'Energy Saver' or Sleep' mode; These smart features automatically program your unit to use less energy while providing the same amount of comfort

Space Saving Design: Save your floor space with this window-mounted air conditioner; Window installation kit included; Min. window height: 18.5" width: 28" min / 40.5" max; Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet)

Smart Phone Control - LG ThinQ App lets you control your air conditioner from anywhere using your smartphone, Google Assistant or Amazon Alexa

Low Noise Performance - LG window air conditioners operate at sound levels as low as 52dB (in low mode) eliminating unnecessary noise

Energy Star Certified - This air conditioner has met the high standards of the ENERGY STAR Program using energy-efficient technologies that translate into electricity savings

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

Cools Rooms up to 1000 sq. ft. - LW1817IVSM is ideal for cooling large rooms (25' X 40')

18, 000 BTU cooling capacity, 11.8 EER certified, 700-1, 000 sq.Ft. Coverage

Electronic controls; auto restart function, sleep, dry and energy saver modes

Window mounting kit with tilt-out filter access and Full range air direction control

Follow me remote control feature (portable thermostat for total room coverage)

Energy star rated, C/UL/us, refrigerant

SMART PHONE CONTROL - LG ThinQ App lets you control your air conditioner from anywhere using your smartphone, Google Assistant or Amazon Alexa.

LOW NOISE PERFORMANCE - LG window air conditioners operate at sound levels as low as 52dB (in low mode) eliminating unnecessary noise.

ENERGY STAR CERTIFIED - This air conditioner has met the high standards of the ENERGY STAR Program using energy-efficient technologies that translate into electricity savings.

MULTIPLE FAN SPEEDS - 3 cooling and fan speeds with Auto Cool allow you to customize your cooling.

COOLS ROOMS UP TO 1000 SQ. FT. - LW1817IVSM is ideal for cooling large rooms (25' X 40').

POWERFUL COOLING CAPACITY: The 18,000 BTU window air conditioner is powerful enough to cool rooms up to 1,000 sq. ft. with 4.75 pints per hour of dehumidification including your apartment, bedroom, living room or any environment!

FUNCTIONALITY: Electrontic control panel with digital display and 3 cooling speeds, eco mode, sleep mode, and programmable 24 hour on/off timer with 8-way directional air louvers to give consumers multiple options for comfort. Remote control included for easy control.

ENERGY STAR RATED COOLING: Energy Star efficiency saves you money on your electric bill (11.9 EER).

EASY TO INSTALL: Comes with a quick and effective window mounting kit that allows for easy installation in windows with minimum window height of 19".

REPLACEABLE FILTER: Clean Alert indicates when air filters should be replaced or removed and washed for convenient maintenance.

Energy Star Certified- This air conditioner has met the high standards of the ENERGY STAR Program using energy-efficient technologies that translate into electricity savings.

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 1,000 Sq. Ft. - LW1816ER is ideal for cooling medium rooms (25' X 40')

POWERFUL COOLING CAPACITY: The 18,000 BTU window air conditioner is powerful enough to cool rooms up to 1,000 sq. ft. with 4.75 pints per hour of dehumidification including your apartment, bedroom, living room or any environment!

FUNCTIONALITY: Electronic control panel with digital display and 3 cooling speeds, eco mode, sleep mode, and programmable 24 hour on/off timer with 8-way directional air louvers to give consumers multiple options for comfort. Remote control included for easy control.

ENERGY STAR RATED COOLING: Energy Star efficiency saves you money on your electric bill (11.9 EER).

EASY TO INSTALL: Comes with a quick and effective window mounting kit that allows for easy installation in windows with minimum window height of 19".

REPLACEABLE FILTER: Clean Alert indicates when air filters should be replaced or removed and washed for convenient maintenance.

SUPPLEMENTAL HEAT - For cooler days use the supplemental heat option to add warmth to your space

MULTIPLE FAN SPEEDS - 2 cooling, heating and fan speeds allow you to customize your cooling or heating.

MAXIMUM USABILITY - Easy to use electronic controls and remote

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

COOLS ROOMS UP TO 1,000 SQ. FT- LW1816HR is ideal for cooling medium rooms (25' X 40')

HEAT/COOL AIR CONDITIONER: 18,500 BTU cooling capacity / 16,000 BTU supplemental heating capacity to effectively cool or heat your apartment, bedroom, living room, or home to the temperature that is right for you.

POWERFUL HEATING OPTION: Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45°F for your convenience. The unit has 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use.

FUNCTIONALITY: Designed for a room up to 1000 sq. ft. with dehumidification up to 3.8 pints per hour. Has an adjustable 4-way air flow direction allows you to easily control the direction of the cool air!

EASY TO INSALL: with removable chassis for easy window and wall installation.

Special 230-volt/25-amp electrical outlet required (Unit will not work with a standard 115V outlet).

SMART WIFI CONTROL – Home or away, you’re in charge with the Friedrich Go App. Integrated Wi-Fi control from your smartphone and voice command compatibility make this fan efficient and easy to use. Sync your unit with Amazon Alexa or Google Home for ultimate convenience.

POWERFUL COOLING AND HEATING – Running up to 25% quieter than other units on the market, this air conditioner is constructed with heavy-duty insulation and stiffened sheet metal casing for optimal sound absorption. An electric heat strip provides warm air fast, making this model ideal for those rooms that are always ‘too cold in winter’.

EASY INSTALLATION  – Chill Premier CEW models are designed with a slideout chassis for more permanent installation and easier access for maintenance. Easily mount it in your window or replace an old in-wall unit. Compatible with windows and walls, this powerful unit has a cooling BTU of 18,000 and heating BTU of 10,600.  Standard installation hardware is included. Height: 18  Width: 23 7/8  Depth: 25 3/8

CLEAN AIR & SUSTAINABLE DESIGN –  Enjoy temperature-regulated, well-circulated air with the Chill Premier unit. This model comes with a washable air filter and uses R-410A refrigerant. Simply check the filter alert to maintain fresh, clean air in your home.

ONE FAN, THREE FUNCTIONS – The perfect temperature is just a click away with the all-new WiFi-compatible, three-function Chill Premier Smart Air Conditioner. Designed with three cooling, heating, and fan-only speeds, eight-way airflow command, and unique sleep and Money Saver settings, this quiet unit brings the best of comfort and control.