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Best Ac For Horizontal Sliding Windows (2024 Update)

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If you’re looking for the perfect AC for your horizontal sliding window, there are important factors to consider before making a purchase. One of the most important factors is the size of the AC and the size of your window. It’s important to measure the window before buying any AC because you want to make sure the AC unit fits perfectly in the window frame. You must also consider the BTU, or British Thermal Unit, which is a unit of measurement used to estimate the cooling power of the AC. The larger the room, the higher the BTU you will need. Lastly, check your window’s clearance for the AC unit to fit.

When buying an AC for your horizontal sliding window, consider the cost. It’s important to find an AC that is affordable and fits your budget while still meeting your cooling needs. Also, check the energy efficiency rating of the AC. An AC with a high energy efficiency rating will help you save money on your electricity bill.

Do you want an AC that is easy to install? Do you want a unit that comes with a remote control? How much noise will the AC produce? These are just some of the questions to consider when looking for the best AC for your horizontal sliding window. Make sure to research different brands and read reviews to find an AC that is reliable and has a long lifespan.

10 Best Ac For Horizontal Sliding Windows

# Product Image Product Name Product Notes Check Price
1
This product is ideal for sealing and installing air conditioning units with exhaust hoses on sliding windows.
2
The product is ideal for fitting portable air conditioners into vertical or horizontal windows using an adjustable sliding panel.
3
It is ideal for securing a portable air conditioner unit in either horizontal or vertical windows, with an adjustable window seal.
4
It is ideal for venting portable air conditioning units through sliding windows or doors.
5
Ideal for providing a secure and adjustable seal for AC units fitted in windows with 5-inch ducting.
6
This product is ideal for creating a seal around a portable air conditioner or dryer attached to a window.
7
This product is ideal for sealing air conditioning exhaust hoses in sliding and hung windows.
8
This product is ideal for creating a secure and adjustable seal to vent exhaust hoses from portable air conditioners through sliding windows.
9
This product is ideal for securing and sealing a 5.9" AC exhaust hose on vertical/horizontal sliding windows in portable air conditioning units.
10
The product is ideal for venting a portable air conditioner through a horizontal or vertical window with an adjustable exhaust hose.
This product is ideal for sealing and installing air conditioning units with exhaust hoses on sliding windows.
The product is ideal for fitting portable air conditioners into vertical or horizontal windows using an adjustable sliding panel.
It is ideal for securing a portable air conditioner unit in either horizontal or vertical windows, with an adjustable window seal.
It is ideal for venting portable air conditioning units through sliding windows or doors.
Ideal for providing a secure and adjustable seal for AC units fitted in windows with 5-inch ducting.
This product is ideal for creating a seal around a portable air conditioner or dryer attached to a window.
This product is ideal for sealing air conditioning exhaust hoses in sliding and hung windows.
This product is ideal for creating a secure and adjustable seal to vent exhaust hoses from portable air conditioners through sliding windows.
This product is ideal for securing and sealing a 5.9" AC exhaust hose on vertical/horizontal sliding windows in portable air conditioning units.
The product is ideal for venting a portable air conditioner through a horizontal or vertical window with an adjustable exhaust hose.

1. Universal Portable Ac Window Ventilation Kit

The TigeJoy Universal AC Window Kit is an ideal solution for those who want to beat the summer heat without the need for professional installation. The kit comes with 4 plates, a 5.9 diameter coupler, 10 feet foam tape, and screw accessories. The portable AC window kit is compatible with a wide variety of brands such as LG, Frigidaire, Whynter, SPT, Haier, Emerson, Newair, and more.

This extendable AC vent kit is designed for use with sliding windows that are between 17 to 60 inches in both vertical and horizontal directions. The kit is adjustable, and you can easily modify the length by assembling and sliding the plates, ensuring it fits your window perfectly. You can now enjoy your AC without worrying about size.

The plates embedded into the window track provide a total sealing effect, preventing warm air circulating in the room. The kit effectively diffuses hot air out of the window, offering you a cool and energy-saving summer. The sealing is tight and secure, ensuring that it can withstand long-term hot airflow and the summer sun. The TigeJoy air conditioning window kit is made of high-quality PVC, which has better heat resistance, wear resistance, and aging resistance, ensuring a longer service life.

Installation is fast and straightforward, requiring no tools. You only need to insert the plate into the window track and connect it to the air conditioner hose. The kit is easy to install, easily to disassemble, and can be used year after year. With the 12-month warranty and lifetime technical support, you can be assured of 100% satisfactory after-sales service.

2. Univent Ac Window Kit With Exhaust Hose

HOXHA offers a value package for those in need of a portable air conditioning vent kit. The HOXHA AC window vent kit includes 4 Seal Plates, 1 Exhaust Hose, 1 Duck Coupler, 1 Coupler Filter, 1 Sealing Tape, and 4 Screws. Note that the portable air conditioning unit is not included in this package.

This package offers two options for vertical and horizontal sliding windows and doors. The kit allows for customization based on the size of the window, with the option of using a 2-board, 3-board, or 4-board combination. The AC exhaust kit is easy to use and doesn't require any tools to set up. The adjustable length range of the sealing plates is from 17 inches to 67 inches for windows, and 21.7 inches to 82 inches for doors.

It's important to note that the HOXHA AC exhaust hose has an anti-clockwise thread direction, so make sure to check if this is compatible with your AC unit before purchasing. The diameter of the hose is 5.9 inches, and it comes in two lengths: 1.5m/59" and 2m/78.7". This makes it compatible with most portable air conditioning units on the market.

The HOXHA window seal kit is made of high-quality PVC, which is anti-extrusion and anti-aging, ensuring durability for year after year of use. The kit also has a simple and stable fixing method that makes it easy to install and disassemble, making it perfect for use in homes or offices. It's also easy to store and saves space.

Lastly, the sealing performance of the HOXHA AC window vent kit is excellent due to the inclusion of a sealing strip. There is a gap between the fixed plate and the adjustable plate, and the sealing strip is attached to the connection between the sliding window and the plate. This strip helps to keep the room cool and effectively isolates hot air from entering, thus saving power. The kit includes a 3.5 meter sealing strip, ensuring that you have everything you need for a complete installation.

3. Slidekit: Portable Ac Window Vent & Seal

The DASFDMY 10-piece portable AC window kit is a versatile and adjustable solution that effectively keeps your room cool while saving power. This kit includes 4 seal plates measuring 43cm/16.9 inches each, 1 exhaust hose measuring 59 inches, 1 exhaust hose coupler/adaptor, 1 coupler filter with a diameter of 15cm/5.9 inches, 1 roll of 16 feet sealing tape, and 3 screws.

Installation and disassembly of this AC window kit is a breeze as it can fit most window or sliding door types. Simply embed the seal panel into the window track and clamp them, and use the weather stripping to reinforce the connection between the window and seal panel for better sealing. This effectively prevents hot air from entering your room, keeping it cool for longer while saving power.

The DASFDMY portable AC window vent kit boasts a great sealing effect, diffusing hot air out of the window, and preventing warm air from circulating in your room. This kit is also waterproof and reusable, made from high-quality PVC and ABS coupler materials that do not easily deteriorate over time.

What's more, this AC window kit is suitable for almost all vertical and horizontal sliding windows or doors, and can be stretched and adjusted freely to fit your window size. The maximum adjustable length is 152.4cm/60 inches.

4. Portable Ac Window Kit With Adjustable Seal.

The YoleShy window vent kit is a universal solution for air conditioning accessories. This kit includes 4 plates, a 5-inch diameter coupler, sealing tape, and screw accessories, making it suitable for all air conditioner hoses with a diameter of 5 inches. It is compatible with various brands such as L G, Whether, Haier, and more.

The YoleShy ac vent kit boasts a humanized rail design, allowing for easy sliding of the seal plates and fast lock without the need for tools. Length adjustment can be completed in just 5 seconds, and the adjustable length range is between 17 inches to 60 inches. This makes it suitable for most vertical and horizontal sliding windows, and it can be used in any place with ease.

The kit is versatile and can be used in various window sizes. You can use a 2-plates combination, 3-plates combination, or 4-plates combination according to the size of your window. The plates can be embedded into the window track and clamped to achieve a good sealing effect, which can keep your room cool at all times, prevent air-conditioning leakage, prevent hot air from entering, and save power.

The YoleShy window seal kit is made of high-quality PVC, which is anti-extrusion and anti-aging, ensuring durability year after year. The kit is easy to install and disassemble, with a simple and stable fixing method. It can be stored with ease, saving valuable space.

5. Sealpro Window Kit: Full-Sealing, Waterproof, Portable Ac

The LOVIGA Portable AC Window Seal Kit is the perfect solution for anyone looking to keep their home cool and comfortable during the hot summer months. Available in two adjustable sizes of 25*62~92cm/25*102~162cm, this kit is designed to fit all portable air conditioners and air dryers, making it a versatile option for any home.

One of the standout features of this AC Vent Kit is its excellent sealing effect, which is achieved through the use of a drawstring instead of a zipper. This allows the sealing fabric to better fit sizes ranging from 1~6 Inch, resulting in a true “0” gap and preventing outdoor heat from flowing back into your home. Additionally, the special waterproof TU fabric with heat-insulating whitening process reflects the sun's rays efficiently, providing fast cooling and real energy-saving benefits.

The LOVIGA Air Conditioner Window Vent Kit is also designed with reliability in mind. Unlike zipper types that can lack sealing, burst or slip off easily, this kit features a simplified design that improves the product's overall reliability. The use of solid materials, double-stitched thread, and widened Velcro and tape further enhance the adhesion and sealing, ensuring that this product is truly durable and practical.

Installation of this kit is super simple and requires no drilling holes. Customers can follow four easy steps to complete the installation process – 1. Open the sliding window about 20cm and put the tape on the window frame; 2. Put the portable ac window seal along the tape; 3. Stick the exhaust pipe out of the round hole; 4. Tighten the cord lock closure and further fix the pipe with the included Velcro ties.

To ensure optimal performance, LOVIGA recommends cleaning off the dust at the window frame before applying the adhesive. It is also best to leave the kit for 24 hours after installation before use. Customers can feel confident in their purchase thanks to LOVIGA's intimate 1-year warranty and 24-hour customer service.

6. Forestchill Window Seal Kit For Portable Ac

Introducing the Window Seal Kit, a specially designed product that helps you save energy and keep your room cool. This product is perfect for those who use portable air conditioners and want to isolate hot air from entering their room. It is a must-have product for those who want to enjoy the benefits of a cool room without wasting energy.

The Window Seal Kit is adjustable in size and can fit windows ranging from 16.5" to 47" in length. It comes with three sealing plates that can be adjusted to fit your window perfectly. It is compatible with portable air conditioner exhaust hoses with a diameter of 5.9". This product is not suitable for casement windows, but it can be used with slide windows and hung windows.

The Window Seal Kit is made of high-quality PVC material, which is both lightweight and durable. This material ensures that the product can withstand the rigours of everyday use and last for a long time. The product is easy to install and comes with an instruction sheet that guides you through the installation process. Simply screw the hose to the hole in the seal plate, adjust the seal plate for the desired length to fit your window, and install it to the window. The installation process is quick and easy, and you can have it done in no time.

The Window Seal Kit comes with three window seal plates, one bird guard, a set of screws, and an instruction sheet. The bird guard ensures that no birds or other animals can enter your room through the window. The set of screws makes it easy to install the product to your window.

7. Sliding Window Ac Vent Kit – Universal & Adjustable

Looking for a reliable and easy-to-use window vent kit for your portable air conditioner? Look no further than this Universal Fit AC Window Vent Kit!

Designed to fit most portable air conditioners on the market, this kit is compatible with AC exhaust hoses that have a diameter of 5.9 inches. It's great for use with most slide windows, whether they're vertical or horizontal.

Made from durable PVC materials, this window vent kit is built to last. It consists of four plates and has a recommended maximum extend length of 162cm/64Inch. It's also lightweight and portable, making it a great choice for use in your home or office.

One of the best things about this window vent kit is how easy it is to install. Simply set the plate panels together and slide them to the desired length, then lock them in place with screws. Attach one side of the exhaust hose to the air conditioner hose connector by rotating it, then attach the other side of the hose to the adaptor. Finally, insert it all into the plates and you're good to go!

Another great feature of this window vent kit is its good sealing. There is a gap between the fixing plate and adjustable plate, but this is easily addressed with the included sealing tape. It's posted at the connection between the sliding door and the sealing plate, which effectively isolates hot air from entering the room and fixes every plate in place.

Finally, this AC window vent kit comes with a satisfaction guarantee. If you have any quality problems with the product, the manufacturer is happy to help you out and ensure your satisfaction. So why wait? Upgrade your portable air conditioner today with this Universal Fit AC Window Vent Kit!

8. Airkitpro- Window Ac Kit

The UNAOIWN AC Window Vent Kit is an essential tool for anyone who owns a portable air conditioner. This kit is designed to fit all air conditioning vent hoses with a 5.9-inch diameter, regardless of whether it has a clockwise or counterclockwise exhaust hose. The kit includes four plates, a 5.9-inch diameter duck coupler, a filter, and four screw accessories. It is important to note that this kit does not include an AC hose or unit.

The UNAOIWN Window Seal Kit is made of high-quality PVC material that is anti-extrusion and anti-aging, ensuring that it can be used year after year. The installation process is simple and stable, making it easy to install and disassemble. It is suitable for use in homes or offices and can be easily stored to save space.

This AC exhaust kit is suitable for most vertical and horizontal sliding windows. The kit can be easily adjusted to fit any window size, using a 2-board, 3-board, or 4-board combination. The sealing plate slides easily and locks quickly, without the need for any tools. The adjustable length range is between 17 inches and 65 inches.

The UNAOIWN window seal kit offers excellent sealing performance, thanks to the inclusion of a 3.5M sealing strip. This strip is attached to the connection between the sliding window and the plate, effectively isolating hot air from entering the room and keeping it cool at all times. This not only saves power but also ensures a comfortable living environment.

UNAOIWN is committed to providing excellent after-sale service to its customers. They promise to cover any issues that might occur and offer unconditional returns. With 24-hour online customer service, customers can rest assured that they will receive 100% satisfaction when purchasing any item from UNAOIWN.

9. Kerykwan Portable Ac Vent Kit: Window Cooling Solution

This air conditioner window kit is a great solution for those looking to cool their room without the hassle of installation. It is compatible with all air conditioners with a diameter of 5.9". The kit includes 4 seal panels that are easy to slide and lock into place with a humanized rail design. The adjustable length range of the panels is 16.9"-62.1" which makes it suitable for most vertical and horizontal sliding windows and doors.

In addition to the seal panels, the package includes a coupler suitable for an exhaust hose with a diameter of 5.9", a coupler filter, 4 screws for fixing, weather stripping with a length of 138", and an exhaust hose with a length of 59" and a diameter of 5.9". The weather stripping is designed to be posted at the connection between the window and seal panel for strengthening the sealing effect, preventing hot air from entering and saving power.

The seal panels are made of high-quality PVC and the coupler is made of premium ABS which is anti-extrusion and anti-aging, making it durable and long-lasting. Installing and disassembling the kit is simple and the fixing method is stable. It is also easy to store, saving space when not in use.

The kit comes with a promise of after-sale service, ensuring that any issues that may arise will be taken care of and providing customers with unconditional returns. There is also 24-hour online customer service available to ensure 100% customer satisfaction.

Best Ac For Horizontal Sliding Windows FAQs

Are there any brands that are known for making the best air conditioners for horizontal sliding windows?

When it comes to air conditioners for horizontal sliding windows, there are a few brands that are known for their quality and reliability. One of the most popular brands is Frigidaire, which offers a range of air conditioners designed specifically for horizontal sliding windows. Their models are known for being easy to install, energy-efficient, and quiet, making them a great choice for any home.

Another brand to consider is LG, which also offers a variety of air conditioners for horizontal sliding windows. Their models are known for their sleek design, advanced features, and high energy efficiency ratings. They also offer excellent customer support and warranties that provide peace of mind.

Other brands that are worth considering include Haier, Midea, and Friedrich. Each of these brands offers a range of air conditioners designed for horizontal sliding windows, with different features and price points to suit different needs and budgets. Ultimately, the best brand for you will depend on your specific needs and preferences, so be sure to do your research and read reviews before making a purchase.

Are there any window units specifically designed for horizontal sliding windows?

Yes, there are window units specifically designed for horizontal sliding windows. These types of air conditioning units are called sliding window air conditioners. They are designed to fit into the narrow and elongated opening of horizontal sliding windows, which are also commonly known as slider or glider windows.

Sliding window air conditioners usually come with accordion-style side panels that can be adjusted to fit the width of the window opening. They also have a support bracket that can be installed on the window sill or the lower track of the window frame to keep the unit securely in place.

When choosing a sliding window air conditioner, it is important to consider the size of the unit and the size of your window opening. Make sure to measure the opening accurately before purchasing a unit to ensure a proper fit.

Overall, sliding window air conditioners are a convenient and efficient option for cooling homes and apartments with horizontal sliding windows.

Can any air conditioner fit in a horizontal sliding window?

The answer to this question depends on the size and configuration of the horizontal sliding window. Generally, most air conditioners that are designed to fit in a standard size window can also fit in a horizontal sliding window. However, it is important to measure the width and height of the window and compare it to the dimensions of the air conditioner before making a purchase. It is also important to consider the weight of the air conditioner and whether the window frame can support it. In some cases, it may be necessary to use a bracket or support system to secure the air conditioner in place. It is recommended to consult with a professional or the manufacturer of the air conditioner to ensure that it is compatible with a horizontal sliding window.

Can you use a portable air conditioner in a horizontal sliding window?

Yes, it is possible to use a portable air conditioner in a horizontal sliding window with the right accessories. Most portable air conditioners come with a window kit that includes an adjustable window bracket and a vent hose. The window bracket is designed to fit into vertical sliding windows, but with a little modification, it can be adapted to fit a horizontal sliding window.

To use the portable air conditioner in a horizontal sliding window, you will need to purchase a plexiglass panel or a piece of plywood that is cut to fit the width of your window. The panel should be placed in the window frame, and the adjustable window bracket should be attached to the panel. The vent hose should then be inserted into the bracket and connected to the back of the air conditioner.

It is important to note that not all portable air conditioners are suitable for use in horizontal sliding windows. You should check the manufacturer's instructions and recommendations before purchasing a portable air conditioner for this purpose. Additionally, you should ensure that the panel you use is secure and does not allow for any gaps that could let hot air back into the room.

How do you install an air conditioner in a horizontal sliding window?

Installing an air conditioner in a horizontal sliding window can be a bit tricky but with the right tools and steps, it can be done easily. First, measure the width of the window and ensure that the air conditioner unit can fit in. Then, clean the window and remove any obstructions that might hinder the installation process. Next, open the window and place the air conditioner unit on the window sill. Slide the accordion panels on either side of the unit so that they fit snugly against the window frame. Once the panels are in place, close the window down onto the top of the unit, securing it in place. Finally, use foam insulation to seal any gaps between the window and the unit. Make sure the unit is level and secure before plugging it in and turning it on. It is also important to follow the manufacturer's instructions for installation and safety precautions.

How energy efficient are air conditioners for horizontal sliding windows compared to other types of AC units?

Air conditioners for horizontal sliding windows are generally less energy efficient compared to other types of AC units. The reason for this is that these types of units often have a smaller cooling capacity and tend to be less efficient in sealing the window opening, which can lead to air leakage and reduced efficiency.

Central air conditioning units and ductless mini-split systems are generally more energy efficient than window units. This is because they are designed to cool larger spaces and can be optimized for energy efficiency. Additionally, these types of units are often installed by professionals, which ensures proper sealing and ventilation for maximum efficiency.

However, it is important to note that the energy efficiency of an air conditioner depends on several factors, including the size of the unit, the size of the space being cooled, and the local climate. It is always recommended to choose an air conditioning unit that is properly sized for your space and to look for units with high SEER ratings (Seasonal Energy Efficiency Ratio) for optimal efficiency.

What features should you look for in an air conditioner for a horizontal sliding window?

When looking for an air conditioner for a horizontal sliding window, there are several features that you should consider. Firstly, it is important to measure the window accurately to ensure that the air conditioner fits perfectly. You should also consider the cooling capacity of the air conditioner, which is measured in BTUs, to ensure that it will effectively cool the space.

Another important feature to consider is the noise level of the air conditioner. Look for models that have a low decibel rating, as this will ensure that the unit runs quietly and won't disturb your daily activities.

It is also important to consider the energy efficiency of the air conditioner. Look for models that have an Energy Star rating, as these units are designed to be more energy-efficient and will save you money on your energy bills over time.

Finally, consider the ease of installation and maintenance of the air conditioner. Look for models that come with clear installation instructions and are easy to clean and maintain. Overall, by considering these features, you can find an air conditioner that is perfect for your horizontal sliding window and will effectively cool your space.

What is the best type of air conditioner for horizontal sliding windows?

When it comes to selecting an air conditioner for horizontal sliding windows, it's important to consider the size of your window and the cooling capacity of the unit. One of the best options for this type of window is a slider or casement air conditioner. These units are specifically designed for horizontal sliding windows and can be easily installed without the need for any additional brackets or supports.

Another great option is a portable air conditioner that comes with a window installation kit. These units are easy to move from room to room and can be used in any window with an opening that fits the kit. However, it's important to ensure that the kit is compatible with your window type before making a purchase.

Ultimately, the best type of air conditioner for your window will depend on your specific needs and preferences. Be sure to consider factors such as size, cooling capacity, and energy efficiency when making your selection. Additionally, it's always a good idea to consult with a professional or read reviews from other customers before making a final decision.

What is the price range for air conditioners that fit in horizontal sliding windows?

The price range for air conditioners that fit in horizontal sliding windows can vary depending on the brand, size, and features. On average, these types of air conditioners can range from $150 to $500. Lower-priced models typically have a lower cooling capacity and fewer features, while higher-priced models can have more advanced features such as remote control, programmable settings, and energy-saving modes. It's important to consider the size of the room or space you want to cool before purchasing an air conditioner to ensure it has a sufficient cooling capacity. Additionally, it's recommended to choose an air conditioner with an Energy Star rating to ensure energy efficiency and cost savings in the long run. It's always a good idea to compare prices and features of different models before making a purchase to find the best fit for your budget and needs.

What size air conditioner is best for a horizontal sliding window?

The size of the air conditioner that is best for a horizontal sliding window depends on the size of the room you wish to cool. Generally, air conditioners are measured in British Thermal Units (BTUs), and the higher the BTU, the larger the area the unit can cool. For a small room, such as a bedroom or office, a 5,000 to 6,000 BTU air conditioner should be sufficient. For a larger room, such as a living room or kitchen, you may need to opt for a higher BTU unit, such as 8,000 to 12,000 BTUs. It is important to measure the width of your window and ensure that the air conditioner you purchase will fit properly. Additionally, make sure the unit has a sliding window installation kit and the ability to be secured to the window frame for safety. Consulting with an HVAC professional can also help you determine the best size air conditioner for your specific needs.

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