The Best Casement Window Air Conditioner On The Market (Updated 2022)

12,000 BTU 1100W/5.0A cooling; 11,000 BTU 3500W/16.0A heating functionality

450- 550 sq. ft. coverage area; Remote control included; 4 operation modes; Installation hardware and weather seals included; 4-way air directional louvers

Please note: Special 230V electrical outlet required (unit will not work with a standard 115V outlet)

For a cool only version of this unit see model # WAC12002WCO; energy saver mode; EER 10.9;

Window Width: 26 7/8" to 36"; Window Minimum Height: 16"; Input voltage: 208/230 V/60 Hz; PLEASE NOTE: This window air conditioner does not require a wall sleeve

Beat the heat while remaining cool and happy on hot summer days

With 2344.57 W cooling power, enjoy a blast of cool air throughout your room

Effectively cools area of up to 350 Sq. ft., this air conditioner is perfect for bedrooms

Provides enough cooling in your room with 3 fan speeds

Full-function remote control allows you to precisely control the temperature and fan speed from across the room

Power source type: Corded Electric

Mounting type: Casement/Slider

Measuring 26 3/4" wide by 39 5/16" long by 13 11/16" high on the outside of your RV and 21 1/8" wide by 21 15/16" long by 1 11/16" high on the inside ceiling assembly. The air conditioner is non-ducted and comes in black and white.

Attractive and durable, it runs off of 115V power. With this model, the sound level is much lower than many of the other air conditioners on the market and the quality of the temperature is better.

In addition, the amperage (amps) on the model is lower than other air conditioners. While this might not mean a whole lot, it means that it draws less electricity, saving you power and money to use for other appliances or RV devices.

10000 BTU vertical window air conditioner engineered for spaces ranging in size from 400 to 450 square feet

Designed to fit casement (left to right sliding) windows ONLY, and will not fit windows that slide up and down. Fits windows 15-1/2" to 16-1/4" wide with a minimum height of 20-5/16" and a maximum height of 39-7/16" (If using the window panel retainer the window minimum height is 21-1/4")

Digital Display; Dehumidifier; Sleep Mode; 3 fan speeds; Remote control with 16ft range; Nema 5-15P plug type; CFM: 324, 294, 265

Energy Efficiency Ratio (EER): 10.4 with energy saver mode

Includes all installation hardware and weather seals for easy setup

POWERFUL COOLING CAPACITY: The 12,000 BTU window air conditioner is powerful enough to cool rooms up to 550 sq. ft. and features multiple fan speeds that allow you to choose your level of comfort.*

COMFORTABLY QUIET: Thoughtfully designed to not disturb you, this ac unit noise level is as low as 55 decibels so you can enjoy serene cooling in peace.

ENERGY SAVINGS: TCL’s line of Energy Star Certified window AC units help you save on your energy bill when compared to similar models.

KEEP YOUR ENERGY BILL LOW: Sleep mode lowers your energy bill to keep you comfortable at night while eco-mode saves you energy during the day.

COOLING EVERYWHERE YOU NEED IT: Customize the direction of airflow to where you need it most with 8-way cooling using two 4-way directional vents.

EASY AND CONVENIENT CONTROL: The LED display makes controlling your window air conditioner simple while the included remote lets you effortlessly control the unit without ever leaving the couch.

RESTARTS AUTOMATICALLY: Auto-restart ensures your AC unit turns on automatically to provide comfort even after a power outage.

PROTECT YOUR AC FROM DUST & PET HAIR: The washable and reusable filter helps protect the life of your window AC while also reducing large airborne particles like dust and pet hair.

SETUP MADE EASY: You don’t have to be an expert technician to set up your new window AC unit with the simple and easy installation kit. (Window Size Requirement: 26 – 36 inch width, 16 inch height)

10, 000 BTU cooling capacity

Electronic controls (remote control included); auto restart function, sleep, dry, and energy saver modes

Full range air direction control, slide-out filter access

Window mounting kit included. Voltage : 110-120 V. Minimum Operating Temperature (Cooling) : 60 degrees F

cULus listed, refrigerant

Multi-Speed Fan: Features three different fan speeds, for more cooling flexibility

Sleep Mode: Maximum comfort throughout the evening hours with the added benefit of energy savings. With Sleep Mode, the temperature gradually increases a few degrees over the evening

Programmable 24-Hour On/Off Timer: Customize times to fit your schedule for immediate comfort when you get home. The built in timer allows you to preset the unit to turn on and off in half hour increments

Effortless Temperature Control: Our air conditioners maintain the preset room temperature, so you will remain comfortable at all times

Remote Control: Allows you to precisely control the temperature and fan speed from across the room

Easy-to-Clean Washable Filter: Capture dust from the air and keep your dehumidifier working efficiently with our easy-to-clean washable filter

SpaceWise Adjustable Design Optional Side Panels: With the Adjustable Side Panels, the side panels will extend to best fit your window

Power Cord

Comes with an extra long three-prong cord — makes extension cords unnecessary

Compatible with our mounting bracket (B0872ZJCB9) and side panel (B0872Y4MCL). These accessories are sold separately

CONVENIENT COOLING: This Keystone air conditioner fits your standard sliding and casement windows. It’s a reliable choice for apartments, bedrooms, living rooms, home offices, or attics. It is rated 8,000 BTUs based on the ASHRAE standard and 5,000 BTUs based on the DOE standard - best used in a room up to 450 square feet.

3 FUNCTIONS IN 1: Enjoy powerful cooling, dehumidification (up to 1.1 pints per hour), and fan circulation all in one compact unit with on-board electronic controls, 3 fan speeds, and an energy saving mode.

CONTROL YOUR COMFORT: 4-way air direction control allows you to direct the air where you need it most for optimal comfort.

CLEAN FILTER ALERT: The filter on this air conditioner keeps the air free of dust, debris, and contaminants – so it gets dirty. With a check filter alert, this air conditioner provides as easy way to know when it’s time to clean the dirt away and keep you AC running at its highest level.

EASY TO USE: Keystone’s slider/casement window air conditioners are designed with a removable chassis so you can install them either in a window or through an exterior wall. An adjustable window kit is included for convenient installation. Minimum window height: 21.3"; Minimum to Maximum window width: 15.5" - 16.3"

LOW NOISE PERFORMANCE: Operates at sound levels as low as 53dB (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.

MAXIMUM USABILITY: Easy to use electronic controls with remote

COOLS ROOMS UP TO 350 Square Feet: LW8016ER is ideal for cooling medium rooms (14' X 25')

GE 5000 BTU MECHANICAL WINDOW AIR CONDITIONER - Designed to efficiently cool rooms up to 150 sq ft; easy install kit included so you can start cooling right away

BEST FOR SMALL ROOMS: This AC unit is the right size for delivering 5000 BTU cooling capacity to smaller areas like bedrooms, studio apartments, guest rooms, and home offices

LOW-NOISE OPERATION - Keep the cool air flowing with minimal disruption; ideal for nighttime use in bedrooms

MAXIMUM COMFORT: Efficient with 2 cooling modes and 2 fan speeds to provide flexible and optimal room temperature; controls with 10 temperature settings make it easy to adjust cooling to your comfort

EASY INSTALLATION AND CLEANING: This AC has a fixed chassis and installs easily in a double hung window (size: W 21.875 - 36 x H 13.375") with included EZ Mount installation kit; slide-out filter makes cleaning a breeze to keeps your unit running its best when cleaned every 30 days"