The 9 Best Casement Window Air Conditioner in 2023

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

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

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"

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

HANDY AND PORTABLE: The SereneLife Portable Air Conditioner System features a lightweight, handy, sleek body design intended to be used in the bedroom, living room or garage at home or office. It features rolling wheels for easy portability

3 OPERATING MODES: The compact floor AC indoor cooler conditioning unit features a simple electric plug in operation and has 3 modes - cooling, dehumidifier and fan. Also features automatic swing mode w/ moving wind vent for maximum air circulation

BUILT-IN DEHUMIDIFIER: you don’t only get the cooling effect of the portable AC but also helps reduce humidity levels, a huge financial and space saving!

REMOTE CONTROL: Features a digital touch button control panel which includes the power, mode, timer, temperature and fan speed settings. Other functions such as unit selector (°C/°F), sleep key can be adjusted using the included remote control

8000 BTU COOLING POWER: with 900W rated power and 8000 BTU (ASHRAE) / 4,000 BTU (SACC) cooling power, the cold air can cover a room of up to 215+ sq. Ft. ! air flow is rated at 290 M3/hr. , moisture removal/dehumidifier at 1. 2 liters/hr. W/ an operating noise level of only 55-57 dB

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

𝙒𝙞𝙩𝙝 𝟯𝟬𝟬𝘾𝙈 (𝟭𝟭𝟴") 𝙒𝙞𝙣𝙙𝙤𝙬 𝙎𝙚𝙖𝙡,𝙆𝙚𝙚𝙥 𝙃𝙤𝙩 𝘼𝙞𝙧 𝙊𝙪𝙩: When you use this portable ac window kit, you can easily put the portable AC tube out of the window. This neither blocks the light coming from the window nor does it require any disruption of construction to the window. Easily helps maintain the temperature of your choice, no matter how hot it is outside! Keeps you cool all summer long!

𝙀𝙣𝙚𝙧𝙜𝙮 & 𝘾𝙤𝙨𝙩 𝙎𝙖𝙫𝙞𝙣𝙜: Portable window air conditioner seal kit prevents warm air from entering your room, by creating a “closed environment” which keeps your room cool longer and significantly reduces the energy consumption of your air conditioner, saving you money on electricity and solving the worries caused by central air conditioning. In addition, this unit can be washed up to put in storage and use again next year!

𝙃𝙞𝙜𝙝-𝙌𝙪𝙖𝙡𝙞𝙩𝙮 𝙈𝙖𝙩𝙚𝙧𝙞𝙖𝙡 & 𝙍𝙚𝙪𝙨𝙖𝙗𝙡𝙚: The crank window ac kit is made of the latest thickened air conditioning material, with 4 zipper settings, can be very firmly fixed exhaust port, and sealed windows, to prevent pesky outdoor irritants and rainwater entry. The design of the Velcro makes it easy to disassemble, even if dirty. A gentle pull can be removed for washing/machine washing.

𝙀𝙖𝙨𝙮 𝙩𝙤 𝙄𝙣𝙨𝙩𝙖𝙡𝙡- 𝙉𝙤 𝙉𝙚𝙚𝙙 𝙩𝙤 𝘿𝙧𝙞𝙡𝙡 𝙃𝙤𝙡𝙚𝙨: This portable ac casement window seal does not need any window kits, adapters for your hose, or additional tools to install, because it does not need to drill holes in the window, just stick the Velcro, then stick the product, tie it with a fixed tie and you will never worry about falling off the exhaust pipe. It is compatible with most window types and portable air conditioners, removable & reusable, waterproof & rainproof

𝙁𝙞𝙩𝙨 𝙬𝙞𝙩𝙝 𝙈𝙤𝙨𝙩 𝙒𝙞𝙣𝙙𝙤𝙬𝙨: Suitable for bottom-hung windows, or skylights, it fits with most windows without any issues. Not Suitable for Sliding Windows, Vertical Push-pull Window, Stereo Revolving Windows. Pay attention： Any window with the largest side greater than 400cm is not suitable. PLEASE MEASURE the LENGTH of the Window BEFORE PURCHASING.suitable for dolonghi, lg, midea, shinco, ac window seal double hose universal ac window kit toshiba mobile air conditioner window kit portable ac window seal dual hose

KEEP THE HOT AIR OUT – The whole point of air conditioners is to cool the air. This window seal for portable air-conditioners kit keeps the cool air inside your room by effectively diffusing the hot air out of the window. The window seal tightly locks the hose from your air-conditioner between the window and window frame. It fits windows with a maximum perimeter of 158 inches.

BARRIER AROUND THE WINDOW FRAME – Our window seal creates a barrier around your open window, zips around your portable air conditioner exhaust hose. This prevents the hot summer air from entering your room and makes your air-conditioner much more efficient as it was before. Your AC will cool your room quicker and cheaper!

NO MORE INSECTS – tired of flies and mosquitos? This product also keeps the insects outside!

EASY STEP-BY-STEP INSTALLATION (WITH PICTURES) – All you need for installation of this window seal is already included in your package. No need for expensive installation kits and tools! It is very simple and best used on casement windows of maximum perimeter of 158 inches.

NO MORE HOT AIR INCOMES – HOOMEE window seal keeps the warm air coming from the hose of your portable air conditioner away by locking the hose between the window frame and the window itself. Our window seal creates a “closed environment” that keeps your room cool for longer.

INCREASE COOLING PERFORMANCE – Enjoy a cooler environment in summer thanks to HOOMEE! HOOMEE seals around your open window and then zips around the nozzle of your hose and blocks the return flow of warm air, so that your mobile air conditioning unit can be more efficient and cools your room in less time.

REDUCE ENERGY CONSUMPTION - HOOMEE loves the Earth! This window seal contributes to reduce energy consumption and to lower carbon dioxide emissions, which is particularly high in summer due to the massive use of air conditioning. Preventing warm air circulating in your room, HOOMEE window seal helps you save money on electrical bills!

EASY TO INSTALL – NO NEED FOR DRILLING HOLES . You don’t have to buy window kits, adapters for your hose or additional tools. All you need comes with your HOOMEE Window Seal! Simply apply the adhesive hook tape to the inside of your window frame and to the window itself. Attach the window seal to the hook tape. Then, open the zip on the window seal and place your air conditioner hose out of the window. At the end, close the zip tightly around the hose. Simple as it is.

UNIVERSAL - Suitable for all portable air conditioners and tumble dryersregardless of manufacturer. Whether for windows that open to the left or windows that open to the right, bottom hung windows or skylights, HOOMEE Window Seal will do the job. Fits window with a maximum perimeter of 500 CM.