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Best Buy customers often prefer the following products when searching for casement window air conditioner.

If you live in a hot, sunny climate, you may have already discovered that window air conditioners are the best way to keep your electric bill down. But if you've ever owned one, you know that they can be a hassle; they're bulky and awkward to install, they're noisy, and they take up valuable floor space. If you've been looking for a better solution, consider a casement-style air conditioner instead. Not only are these window units more compact than their conventional counterparts, but they're also easier to install and maintain.

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  1. Honeywell - 400 Sq. Ft Portable Air Conditioner - White/Blue - Front_Zoom
    Top comment

    "Works good needed to modify vent to casement windo"

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    Product Description

    Honeywell portable air conditioner covers all the bases - AC and a multi-speed fan keep you cool in summer, a dehumidifier ensures your space stays dry during wetter, potentially mold-inducing months. This AC keeps you comfortable in rooms up to 400 square feet, covering more square footage than comparable models on the market. Designed with portability in mind. The Honeywell MO series is one of the lightest in its class and comes with smooth-gliding wheels that make sliding the unit from room-to-room a breeze. It's easy to keep your energy costs low when you're not wasting effort cooling down empty rooms. This Honeywell portable air conditioner comes with everything needed including a flexible exhaust hose and an easy-to-install window venting kit. The window vent can be removed when the unit is not in use.
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    Top comment

    "Works good needed to modify vent to casement windo"

    See all customer reviews

    Product Description

    Honeywell portable air conditioner covers all the bases - AC and a multi-speed fan keep you cool in summer, a dehumidifier ensures your space stays dry during wetter, potentially mold-inducing months. This AC keeps you comfortable in rooms up to 400 square feet, covering more square footage than comparable models on the market. Designed with portability in mind. The Honeywell MO series is one of the lightest in its class and comes with smooth-gliding wheels that make sliding the unit from room-to-room a breeze. It's easy to keep your energy costs low when you're not wasting effort cooling down empty rooms. This Honeywell portable air conditioner comes with everything needed including a flexible exhaust hose and an easy-to-install window venting kit. The window vent can be removed when the unit is not in use.
    See all Portable Air Conditioners
    Your price for this item is $429.99
    See all Portable Air Conditioners
  2. Insignia™ - Hard-Shell Case for iPhone 14 Pro Max - Purple Flower - Front_Zoom
    Top comment

    "Purple casement"

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    Product Description

    Personalize your smartphone while keeping it protected with the Insignia NS-14PMPRAIN Hard-Shell Case for iPhone 14 Pro Max. Its durable polycarbonate plastic protects your phone from everyday damage and drops up to 6 feet—without a bulky appearance. Compatible with Magnetic charging, you can continue to use your wireless charger without the case getting in your way. And it has raised edges, letting you set your phone down without risking scratches to your screen or camera lens. A clear background with a purple flower print design adds a unique touch to your device, allowing you to personalize your phone. Showcase your style while giving your smartphone the protection it needs with this unique Insignia hard-shell case.
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    Top comment

    "Purple casement"

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    Product Description

    Personalize your smartphone while keeping it protected with the Insignia NS-14PMPRAIN Hard-Shell Case for iPhone 14 Pro Max. Its durable polycarbonate plastic protects your phone from everyday damage and drops up to 6 feet—without a bulky appearance. Compatible with Magnetic charging, you can continue to use your wireless charger without the case getting in your way. And it has raised edges, letting you set your phone down without risking scratches to your screen or camera lens. A clear background with a purple flower print design adds a unique touch to your device, allowing you to personalize your phone. Showcase your style while giving your smartphone the protection it needs with this unique Insignia hard-shell case.
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    Your price for this item is $14.99
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  3. LG - 400 Sq. Ft. Smart Portable Air Conditioner - Black - Front_Zoom
    Top comment

    "I'm 63 years old and I live in a mobile home. I have window air conditioners but every year I have to depend on someone to put them in the window make sure that the area around it is sealed to keep the hot air out and then come back in the fall to take it back out. ...The only major complaint is that I had to take some extra steps to get it secure in my casement window (I hate casement windows). But this is a great AC unit."

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    Product Description

    This portable air conditioner is the SMART choice for versatile cooling! Cool your home from anywhere using LG ThinQ technology to control your air conditioner with your phone or use with Amazon Alexa and Hey Google to have control with the sound of your voice. This quiet unit is ideal for cooling medium rooms up to 400 sq. ft. The unit has 2 cooling and fan speeds and a 24 hour timer to create a cooling schedule. The auto-swing air vent helps direct the flow of air where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Easy rolling casters allow you to efficiently move the unit to another location. Other features include an LCD remote control, easy window venting installation kit, removable/washable filter and a check filter alert.
    See all Portable Air Conditioners
    Top comment

    "I'm 63 years old and I live in a mobile home. I have window air conditioners but every year I have to depend on someone to put them in the window make sure that the area around it is sealed to keep the hot air out and then come back in the fall to take it back out. ...The only major complaint is that I had to take some extra steps to get it secure in my casement window (I hate casement windows). But this is a great AC unit."

    See all customer reviews

    Product Description

    This portable air conditioner is the SMART choice for versatile cooling! Cool your home from anywhere using LG ThinQ technology to control your air conditioner with your phone or use with Amazon Alexa and Hey Google to have control with the sound of your voice. This quiet unit is ideal for cooling medium rooms up to 400 sq. ft. The unit has 2 cooling and fan speeds and a 24 hour timer to create a cooling schedule. The auto-swing air vent helps direct the flow of air where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Easy rolling casters allow you to efficiently move the unit to another location. Other features include an LCD remote control, easy window venting installation kit, removable/washable filter and a check filter alert.
    See all Portable Air Conditioners
    Your price for this item is $529.99
    See all Portable Air Conditioners
  4. Frigidaire - 3-in-1 Portable Room Air Conditioner - White - Front_Zoom
    Top comment

    "Frigidaire 10,000 BTU 3-in-1 Portable Room Air Conditioner...[This review was collected as part of a promotion.] This air conditioner is a perfect fit for our master bedroom/bathroom since the windows are small so it’s very hard to get a air conditioner that would fit. ...Love these air conditioners way better than the window units"

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    Product Description

    The Frigidaire 10,000 BTU 3-in-1 Portable Air Conditioner keeps your home cool and comfortable when and where you need it. Enjoy more cooling flexibility with two different fan speeds plus dehumidifying Dry Mode to keep your room cool and comfortable while also removing excess moisture from the air.
    See all Portable Air Conditioners
    Top comment

    "Frigidaire 10,000 BTU 3-in-1 Portable Room Air Conditioner...[This review was collected as part of a promotion.] This air conditioner is a perfect fit for our master bedroom/bathroom since the windows are small so it’s very hard to get a air conditioner that would fit. ...Love these air conditioners way better than the window units"

    See all customer reviews

    Product Description

    The Frigidaire 10,000 BTU 3-in-1 Portable Air Conditioner keeps your home cool and comfortable when and where you need it. Enjoy more cooling flexibility with two different fan speeds plus dehumidifying Dry Mode to keep your room cool and comfortable while also removing excess moisture from the air.
    See all Portable Air Conditioners
    Your price for this item is $399.99
    See all Portable Air Conditioners
  5. Frigidaire - Energy Star 450 sq ft Window-Mounted Compact Air Conditioner - White - Angle_Zoom
    Top comment

    "Excellent air conditioner!...Over the years, I’ve had many window air conditioners, and none of them outperformed my Frigidaire ACs....Our 2nd Frigidaire Window Air Conditioner...I bought a 5,000-watt Frigidaire Window Air Conditioner a year ago. Knowing this was going to be a brutally HOT summer in Virginia, I purchased a 10,000-watt Frigidaire unit to complement our first one and a very old central air conditioner. "

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    Product Description

    On hot, humid days, Frigidaire's Energy Star 10,000 BTU window-mounted air conditioner quickly cools a room up to 450 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.
    See all Window Air Conditioners
    Top comment

    "Excellent air conditioner!...Over the years, I’ve had many window air conditioners, and none of them outperformed my Frigidaire ACs....Our 2nd Frigidaire Window Air Conditioner...I bought a 5,000-watt Frigidaire Window Air Conditioner a year ago. Knowing this was going to be a brutally HOT summer in Virginia, I purchased a 10,000-watt Frigidaire unit to complement our first one and a very old central air conditioner. "

    See all customer reviews

    Product Description

    On hot, humid days, Frigidaire's Energy Star 10,000 BTU window-mounted air conditioner quickly cools a room up to 450 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.
    See all Window Air Conditioners
    Your price for this item is $329.00
    See all Window Air Conditioners
  6. Whistler - Analog Handheld Radio Scanner - Angle_Zoom
    Top comment

    "I have it sitting in a window. I have a whistler desk top style that works great for my needs. ...Clear sound, comes with rechargeable battery in casement. My husband loves it. Would definitely recommend this."

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    Product Description

    Keep track of local weather events and police activity with this Whistler analog scanner. A dedicated Skywarn feature connects you to storm spotter networks, giving you up-to-the-minute weather news, and a 200-channel memory stores your most frequently used channels. Featuring a backlit LCD display, this Whistler analog scanner provides easy viewing in low lighting conditions.
    See all CB Radios & Scanners
    Top comment

    "I have it sitting in a window. I have a whistler desk top style that works great for my needs. ...Clear sound, comes with rechargeable battery in casement. My husband loves it. Would definitely recommend this."

    See all customer reviews

    Product Description

    Keep track of local weather events and police activity with this Whistler analog scanner. A dedicated Skywarn feature connects you to storm spotter networks, giving you up-to-the-minute weather news, and a 200-channel memory stores your most frequently used channels. Featuring a backlit LCD display, this Whistler analog scanner provides easy viewing in low lighting conditions.
    See all CB Radios & Scanners
    Your price for this item is $84.99
    See all CB Radios & Scanners
  7. Whynter - 420 Sq. Ft. Portable Air Conditioner - Gray - Front_Zoom
    Top comment

    "Very easy to set up I dont have any double hung windows in my family room so i had to construct a new setup for my casement window with some plexi glass,the room is approm. 15 x 20 and this unit cools it relatively well , i did put an upright fan in front to help with the cooling, really not as noisy as I thought it would be , make sure you do buy a dual hose system ,makes a very big difference...It was a good air conditioner that helps cool room"

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    Product Description

    Beat the heat with this Whynter ARC-131GD 13,000 BTU portable air conditioner, which keeps a space up to 420 sq. ft. cool and comfortable. The dehumidification function removes up to 91 pints of moisture per day to help you breathe easily.
    See all Portable Air Conditioners
    Top comment

    "Very easy to set up I dont have any double hung windows in my family room so i had to construct a new setup for my casement window with some plexi glass,the room is approm. 15 x 20 and this unit cools it relatively well , i did put an upright fan in front to help with the cooling, really not as noisy as I thought it would be , make sure you do buy a dual hose system ,makes a very big difference...It was a good air conditioner that helps cool room"

    See all customer reviews

    Product Description

    Beat the heat with this Whynter ARC-131GD 13,000 BTU portable air conditioner, which keeps a space up to 420 sq. ft. cool and comfortable. The dehumidification function removes up to 91 pints of moisture per day to help you breathe easily.
    See all Portable Air Conditioners
    Your price for this item is $549.99
    Price Drop
    The previous price was $615.99
    See all Portable Air Conditioners
  8. LG - 500 Sq. Ft. Smart Portable Air Conditioner - White - Front_Zoom
    Top comment

    "Best of class portable air conditioner...We use the LG air conditioner in an area that is approximately 900 square feet and it works great. ...Very Powerful and High-Performance Air conditioner...I bought the LG LP1419IVSM air conditioner when my central air conditioner stopped functioning. "

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    Product Description

    Beat the heat with this LG dual-inverter portable air conditioner. The built-in Wi-Fi lets you customize settings remotely for added convenience, while the built in wheels make it easy to move from room to room as needed. This LG dual-inverter portable air conditioner has three fan speeds for adjusting intensity.
    See all Window Air Conditioners
    Top comment

    "Best of class portable air conditioner...We use the LG air conditioner in an area that is approximately 900 square feet and it works great. ...Very Powerful and High-Performance Air conditioner...I bought the LG LP1419IVSM air conditioner when my central air conditioner stopped functioning. "

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    Product Description

    Beat the heat with this LG dual-inverter portable air conditioner. The built-in Wi-Fi lets you customize settings remotely for added convenience, while the built in wheels make it easy to move from room to room as needed. This LG dual-inverter portable air conditioner has three fan speeds for adjusting intensity.
    See all Window Air Conditioners
    Your price for this item is $699.99
    Price Drop
    The previous price was $739.99
    See all Window Air Conditioners
  9. Frigidaire - 3–in-1 Portable Room Air Conditioner - White - Front_Zoom
    Top comment

    "Very nice air conditioner....I think window air conditioners look tacky....I am using this to supplement our normal wall air conditioner that is at the other end of the house and all of our windows are vertical casement."

    See all customer reviews

    Product Description

    The Frigidaire 12,000 BTU 3-in-1 Portable Air Conditioner keeps your home cool and comfortable when and where you need it. Enjoy more cooling flexibility with two different fan speeds plus dehumidifying Dry Mode to keep your room cool and comfortable while also removing excess moisture from the air. Plus, cool your room anywhere, anytime from your smart device with the Frigidaire app.
    See all Portable Air Conditioners
    Top comment

    "Very nice air conditioner....I think window air conditioners look tacky....I am using this to supplement our normal wall air conditioner that is at the other end of the house and all of our windows are vertical casement."

    See all customer reviews

    Product Description

    The Frigidaire 12,000 BTU 3-in-1 Portable Air Conditioner keeps your home cool and comfortable when and where you need it. Enjoy more cooling flexibility with two different fan speeds plus dehumidifying Dry Mode to keep your room cool and comfortable while also removing excess moisture from the air. Plus, cool your room anywhere, anytime from your smart device with the Frigidaire app.
    See all Portable Air Conditioners
    Your price for this item is $499.99
    See all Portable Air Conditioners
  10. Apple - iPhone 13 Pro Max Silicone Case with MagSafe - Midnight - Front_Zoom
    Top comment

    "Nice sleek phone casement from apple. It eventually rips from normal wear and tear."

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    Product Description

    Apple-designed case shows off the brilliant colored finish of the Apple iPhone 13 Pro Max and is thin, light, and easy to grip. Crafted with a blend of optically clear polycarbonate and flexible materials to fit right over the buttons for easy use. Built-in magnets that align perfectly with the Apple iPhone 13 Pro Max to magically align with compatible MagSafe accessories. Built to protect your iPhone from scratches and drops.
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    Top comment

    "Nice sleek phone casement from apple. It eventually rips from normal wear and tear."

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    Product Description

    Apple-designed case shows off the brilliant colored finish of the Apple iPhone 13 Pro Max and is thin, light, and easy to grip. Crafted with a blend of optically clear polycarbonate and flexible materials to fit right over the buttons for easy use. Built-in magnets that align perfectly with the Apple iPhone 13 Pro Max to magically align with compatible MagSafe accessories. Built to protect your iPhone from scratches and drops.
    See all Cell Phone Cases
    Your price for this item is $40.99
    The previous price was $49.99
    See all Cell Phone Cases
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