Best Casement Air Conditioner | Reviews & Recommendations

Truly finding the casement air conditioner is only effective if you can get your hands on some options, which is exactly what we did.

After researching many products, we shaved the list down to the top 10 options today by researching design, capability, durability, features, price, and overall build quality.

We researched hours on these products and compared them to one another to see which one is the best for every need. Read this casement air conditioner article with an extensive buying guide if you're interested in buying or learning about these casement air conditioner.

# Preview Product Score
1 Frigidaire Window-Mounted Slider Casement Air Conditioner, 8,000 BTU, in White

Frigidaire Window-Mounted Slider Casement Air Conditioner, 8,000 BTU, in White

9.3
2 FRIGIDAIRE FFRS0822S1 8000 BTU Heavy-Duty Slider Casement, Electronic, Remote Control Window Air Conditioner, 8,000, White

FRIGIDAIRE FFRS0822S1 8000 BTU Heavy-Duty Slider Casement, Electronic, Remote Control Window Air...

9.5
3 FRIGIDAIRE FFRS1022R1 10000 BTU 115-volt Slider/Casement Room Full-Function Remote Control Window Air Conditioner, 10,000, White

FRIGIDAIRE FFRS1022R1 10000 BTU 115-volt Slider/Casement Room Full-Function Remote Control Window...

9.2
4 Koldfront CAC10000W 10000 BTU 115V Casement Air Conditioner with Dehumidifier and Remote Control

Koldfront CAC10000W 10000 BTU 115V Casement Air Conditioner with Dehumidifier and Remote Control

9.8
5 PerfectAire 10,000 BTU Slider Air Conditioner Window A/C - Casement, 10000, Gray

PerfectAire 10,000 BTU Slider Air Conditioner Window A/C - Casement, 10000, Gray

9.6
6 Keystone 10,000 BTU Slider Casement Window Air Conditioner | 3 Fan Speeds | 4-Way Air Direction Control | Sleep Mode | Dehumidifier | Washable Filter | AC for Rooms up to 450 Sq. Ft | KSTSW10A

Keystone 10,000 BTU Slider Casement Window Air Conditioner | 3 Fan Speeds | 4-Way Air Direction...

9.4
7 FUNTECK AC Window Seal Kit for Portable Air Conditioner, Compatible with Medium or Large Casement Crank Window and Tilting Window, Waterproof, 157 inch

FUNTECK AC Window Seal Kit for Portable Air Conditioner, Compatible with Medium or Large Casement...

9.6
8 Aozzy Portable Air Conditione Window Seal, 400CM Waterproof Portable AC Window Seal and Tumble Dryer Compatible with Medium or Large Casement Crank Window and Tilting Window 158 inch (White)

Aozzy Portable Air Conditione Window Seal, 400CM Waterproof Portable AC Window Seal and Tumble Dryer...

9.4
9 Window Seal for AC Unit – Window Seal For Portable Air Conditioner – Sealing AC with Zip and Adhesive Fastener – Best Way to Seal Casement Window With Maximum Length of 158 inches

Window Seal for AC Unit – Window Seal For Portable Air Conditioner – Sealing AC with Zip and...

9.8
10 FORTE MAW10C1AWT Window Air Conditioner 10000 Cooling BTU, 450 sq. ft. Cooling Area, 3 Cooling Speed, Remote Controller, 115 Volts, 3.05 EER Timer, Washable Filter, Wireless Remote Control in White

FORTE MAW10C1AWT Window Air Conditioner 10000 Cooling BTU, 450 sq. ft. Cooling Area, 3 Cooling...

9.2

List of best casement air conditioner  Reviews

Bestseller No. 1

Frigidaire Window-Mounted Slider Casement Air Conditioner, 8,000 BTU, in White

  • 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
Bestseller No. 2

FRIGIDAIRE FFRS0822S1 8000 BTU Heavy-Duty Slider Casement, Electronic, Remote Control Window Air Conditioner, 8,000, White

  • 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
Bestseller No. 3

FRIGIDAIRE FFRS1022R1 10000 BTU 115-volt Slider/Casement Room Full-Function Remote Control Window Air Conditioner, 10,000, White

  • Specially designed for casement-window or sliding-window installation - installation kit included (Not suitable for standard-window installation)
  • 10,000 BTU air conditioner cools a room up to 450 sq. ft. with dehumidification up to 3.4 pints per hour (Uses standard 115V electrical outlet)
  • Multi-speed electronic controls with 24-hr. on/off timer and full-function remote control
  • Auto cool, Energy Saver mode, Sleep mode, 4-way air direction and washable mesh filter with check filter alert
  • Energy Efficiency Ratio (EER): 10.4
Bestseller No. 4

Koldfront CAC10000W 10000 BTU 115V Casement Air Conditioner with Dehumidifier and Remote Control

  • 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
Bestseller No. 5

PerfectAire 10,000 BTU Slider Air Conditioner Window A/C - Casement, 10000, Gray

  • 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
Bestseller No. 6

Keystone 10,000 BTU Slider Casement Window Air Conditioner | 3 Fan Speeds | 4-Way Air Direction Control | Sleep Mode | Dehumidifier | Washable Filter | AC for Rooms up to 450 Sq. Ft | KSTSW10A

  • 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"
Bestseller No. 7

FUNTECK AC Window Seal Kit for Portable Air Conditioner, Compatible with Medium or Large Casement Crank Window and Tilting Window, Waterproof, 157 inch

  • A practical solution to seal the window when vent a portable AC unit. Reduce heat transfer and maintains a uniform environment inside your room.
  • This AC window enclosure works with casement window, crank window and awning window with a maximum window length of 157 inches.
  • The AC window kit works on aluminum framed window and wood framed window. Note: it cannot be mounted on sliding windows and doors.
  • Made of Polyester PU coated fabric, it is waterproof and no worries if the window opens towards the outside.
  • Easy installation – No drilling needed and only takes a few minutes to install it. Please note that it works for an air conditioner with only one exhaust hose.
Bestseller No. 8

Aozzy Portable Air Conditione Window Seal, 400CM Waterproof Portable AC Window Seal and Tumble Dryer Compatible with Medium or Large Casement Crank Window and Tilting Window 158 inch (White)

  • 【 Keeps out hot air coming in 】Durable Nylon, 158" (400cm) -portable ac Window seal kit around your open window and then zips around the nozzle of your air conditioner hose stopping the return flow of warm air and making your air conditioner as efficient as possible. no need drilling on the wall.
  • 【Designed for casement window】- Not Suitable for sliding windows,Suitable for windows that bottom hung windows or skylights, casement window,portable ac window seal with a maximum perimeter of 400 CM(three sides of the window).
  • 【Easy to Install – No need for drilling on the wall】 The fixing seal on the Velcro surfaces and frame is made of durable nylon material for easy sashing slide. Push through the tube, the zipper closed and the heat stays outside.The window can be closed despite window sealing.
  • 【An ingenious innovative airlock 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.
  • 【Variable to fit all hose diameters】Water resistant and washable Easy self-assembly Residue-free disassembly.
Bestseller No. 9

Window Seal for AC Unit – Window Seal For Portable Air Conditioner – Sealing AC with Zip and Adhesive Fastener – Best Way to Seal Casement Window With Maximum Length of 158 inches

  • 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.
Bestseller No. 10

FORTE MAW10C1AWT Window Air Conditioner 10000 Cooling BTU, 450 sq. ft. Cooling Area, 3 Cooling Speed, Remote Controller, 115 Volts, 3.05 EER Timer, Washable Filter, Wireless Remote Control in White

  • Size: Width 14.57" Height 20.87" Depth23.50" Volts 115 Volts Amps 15 Amps Phase 1 Frequency 60 Hz.
  • Heat: No. Wireless Remote Controller: Included. Plug Type: 5-15P. EER: 3.05 CEER: 10.4 Programmable Timer: Yes. Includes Thermostat: No Cooling Area: 450 sq. ft. Number of Cooling Speeds: 3. Air Filter Included: Yes. Filter TypeWashable. Refrigerant Type: R410A. Vented Outside: Yes. Sleep Mode: Yes
  • 3-in-1 Comfort: Cools, dehumidifies, and circulates air. SleepWell: Auto adjusts overnight temperature for max sleep comfort. Auto Restart: If a power failure occurs, the unit will automatically restore the previous setting when power resumes.
  • 24-Hour Timer: Saves energy by turning the unit off when no one is home. Washable Filter: Easy maintenance for cleaner indoor air. ComfortSense Remote: Cooling power auto-adjusts based on remote's location.
  • Additional Features: Cools, dehumidifies, and circulates air. If a power failure occurs, the unit will automatically restore the previous setting when power resumes. Easy maintenance for cleaner indoor air. Saves energy by turning the unit off when no one is home. Cooling power auto-adjusts based on remote's location.
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