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Best Window Air Conditioner For Large Room (2024 Updated)

If you're looking for an effective and convenient way to cool your large room, a window air conditioner might be just what you need. However, before you rush to purchase one, there are a few important factors to consider to ensure that you make the best choice for your needs.

Firstly, you'll need to determine the size of your room and choose an air conditioner with an appropriate cooling capacity. Additionally, you'll want to consider other factors such as energy efficiency, noise levels, and ease of installation and maintenance.

Are you tired of feeling hot and sticky during the summer months? Wondering whether a window air conditioner for your large room is the right decision? Here are some important questions to ask yourself: How big is your room? What level of cooling capacity do you need? Are there any specific features that are important to you, such as adjustable fan speeds or air filtration capabilities? By doing your research and considering all of these factors, you can make an informed decision and enjoy a cool and comfortable living space all summer long.

10 Best Window Air Conditioner For Large Room

# Product Image Product Name Product Notes Check Price
1
The product is ideal for replacing and filling in gaps for window air conditioners with 15,000 BTU units.
2
Ideal for cooling and heating rooms up to 1000 sq. ft. with sleep mode, remote control, and 24H timer.
3
This product is ideal for cooling rooms up to 12,000 BTU with its Wi-Fi connectivity and energy-saving features.
4
The product is ideal for cooling a large room efficiently with its high BTU capacity and energy-saving features.
5
The product is ideal for improving air quality by filtering out dust and other pollutants from room air conditioners.
6
Ideal replacement filter for window air conditioning units, can be cut to fit various sizes.
7
It is ideal for filtering the air of a window air conditioner.
8
This product is ideal for cooling large rooms up to 800 sq.ft. with quiet operation, electronic control, and energy efficiency.
9
This product is ideal for cooling and dehumidifying rooms up to 550 square feet using a through-the-wall installation.
10
This product is ideal for cooling rooms up to 700 sq.ft. with quiet operation, LED display, auto-restart, and remote control.
The product is ideal for replacing and filling in gaps for window air conditioners with 15,000 BTU units.
Ideal for cooling and heating rooms up to 1000 sq. ft. with sleep mode, remote control, and 24H timer.
This product is ideal for cooling rooms up to 12,000 BTU with its Wi-Fi connectivity and energy-saving features.
The product is ideal for cooling a large room efficiently with its high BTU capacity and energy-saving features.
The product is ideal for improving air quality by filtering out dust and other pollutants from room air conditioners.
Ideal replacement filter for window air conditioning units, can be cut to fit various sizes.
It is ideal for filtering the air of a window air conditioner.
This product is ideal for cooling large rooms up to 800 sq.ft. with quiet operation, electronic control, and energy efficiency.
This product is ideal for cooling and dehumidifying rooms up to 550 square feet using a through-the-wall installation.
This product is ideal for cooling rooms up to 700 sq.ft. with quiet operation, LED display, auto-restart, and remote control.

1. Coolzone Window Ac Side Panel Kit

Introducing the Window AC Side Panel Kit, a versatile solution to fit various window air conditioner models of 15000 BTU. It has a width of 9 7/8 inches and a height of 19 1/8 inches. Before purchasing, make sure to measure the size of your original frame to avoid any incompatibility issues. This high-quality accordion filler replacement for your room air conditioner is designed to provide great insulation and dust-proofing. It helps reduce noise, eliminate cold drafts, and block light. With this kit, you can enjoy a comfortable and peaceful environment.

The package includes a pair of window AC side panels with frames for both left and right sides. These panels are easy to install and provide a perfect fit. If you have any questions or concerns, our customer service team is always available to assist you.

Upgrade your air conditioner with the Window AC Side Panel Kit to improve its performance and get a better experience.

Pros

  • Fits various window air conditioner models of 15000 BTU
  • High-quality accordion filler replacement
  • Provides great insulation and dust-proofing
  • Reduces noise, eliminates cold drafts, and blocks light
  • Easy to install
  • Comes with a pair of panels for both left and right sides
  • Customer service team available for assistance

2. Keystone 18k Window Ac With Heating & Smart Features

Experience the perfect temperature with this Heat/Cool Air Conditioner. With an 18,500 BTU cooling capacity and a 16,000 BTU supplemental heating capacity, it effectively cools or heats your apartment, bedroom, living room, or home. This unit has a powerful heating option that provides an additional heat source to your main heat source when outdoor temperatures are above 45°F for your convenience. It has 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use. This air conditioner is designed for a room up to 1000 sq. ft. with dehumidification up to 3.8 pints per hour. It has an adjustable 4-way air flow direction that allows you to easily control the direction of the cool air. The removable chassis makes it easy to install on your window or wall. Please note that a special 230-volt/25-amp electrical outlet is required for this unit to work properly.

Experience the perfect balance of cooling and heating with this Heat/Cool Air Conditioner. This unit provides you with a cooling capacity of 18,500 BTU and a supplemental heating capacity of 16,000 BTU. It is perfect for your apartment, bedroom, living room, or home. This unit has a powerful heating option that provides an additional heat source to your main heat source when outdoor temperatures are above 45°F for your convenience. It has 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use. You can easily control the direction of the cool air with the adjustable 4-way air flow direction. This air conditioner is designed for a room up to 1000 sq. ft. and can dehumidify up to 3.8 pints per hour. Installing this air conditioner is a breeze with its removable chassis for easy window and wall installation. Please note that a special 230-volt/25-amp electrical outlet is required for this unit to work properly.

Get the perfect temperature with this Heat/Cool Air Conditioner. Its 18,500 BTU cooling capacity and 16,000 BTU supplemental heating capacity effectively cools or heats your apartment, bedroom, living room, or home. This unit has a powerful heating option that provides an additional heat source to your main heat source when outdoor temperatures are above 45°F for your convenience. It has 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use. The adjustable 4-way air flow direction allows you to easily control the direction of the cool air. This air conditioner is designed for a room up to 1000 sq. ft. and can dehumidify up to 3.8 pints per hour. Installing this air conditioner is easy with its removable chassis for easy window and wall installation. Please note that a special 230-volt/25-amp electrical outlet is required for this unit to work properly.

Pros

  • Powerful cooling and heating capacity
  • Multi-seasonal use with 3 cooling speeds, 3 fan speeds, and 1 heat speed
  • Adjustable 4-way air flow direction
  • Perfect for a room up to 1000 sq. ft.
  • Removable chassis for easy window and wall installation

Cons

  • – Requires a special 230-volt/25-amp electrical outlet

3. Frigidaire Wifi-Enabled 12k Btu Air Conditioner.

Experience peace and quiet while enjoying a cool home with this air conditioner that operates at 42dBA, 2% quieter than a standard air conditioner. The inverter technology provides consistent, energy-efficient cooling by optimizing airflow, ensuring even temperature distribution throughout the room. This air conditioner is the recipient of the ENERGY STAR Most Efficient award, offering up to 46% annual energy savings over a standard air conditioner. With Wi-Fi connectivity and the Frigidaire app, you can cool your room from anywhere, anytime, using your smart device. The auto-swing louver and three different fan speeds provide powerful, yet smooth air movement, reaching every angle of the room for optimum air circulation and cooling. The washable filter captures dust from the air and is easy to clean, ensuring your air conditioner works efficiently. The Clean Filter Alert feature will notify you when it’s time to clean the filter. The Eco Mode feature helps keep the room comfortable by turning the unit on and off at different intervals to maintain the set temperature. You can customize the times using the programmable timer, which turns on and off in half-hour increments, fitting your schedule. This air conditioner is compatible with our mounting bracket (B0872ZJCB9) and side panel (B0872Y4MCL), which are sold separately.

Pros

  • Whisper-quiet operation at 42dBA for peaceful home life
  • Consistent, energy-efficient cooling with optimized airflow
  • ENERGY STAR Most Efficient award recipient with up to 46% annual energy savings
  • Wi-Fi connectivity with the Frigidaire app for remote control
  • Auto-swing louver and three different fan speeds provide powerful, yet smooth air movement
  • Washable filter that is easy to clean
  • Eco Mode and programmable timer for customized comfort
  • Compatible with mounting bracket (B0872ZJCB9) and side panel (B0872Y4MCL) (sold separately)

4. Frigidaire Easy-Install Window Ac, Energy Star Certified.

The air conditioning unit is designed for easy installation with its slide-out chassis that distributes the weight into two pieces. It can easily fit into any standard window or wall opening. The unit is ENERGY STAR Certified to ensure energy-efficient performance without compromising its cooling capabilities. The air conditioner features multi-directional airflow that enables optimal circulation and cooling with six-way directional airflow and three different fan speeds.

The easy-to-clean washable filter captures dust from the air, keeping your air conditioner working efficiently. The Clean Filter Alert feature will notify you when it's time to clean your filter. The air conditioner also features an Eco Mode, which turns on and off at different intervals to maintain the set temperature and keep your room cool and comfortable. The Fresh Air Vent feature allows you to draw in fresh outdoor air, preventing the recirculation of stale air.

The unit has a programmable timer that can be customized to fit your schedule. You can preset the unit to turn on and off in half-hour increments, ensuring immediate comfort when you get home. The Sleep Mode feature provides maximum comfort and quiet operation throughout the evening hours. The temperature gradually increases a few degrees over the course of the evening, ensuring a comfortable night's sleep.

The air conditioner is compatible with our mounting bracket (B0872XNZP3) and side panel (B0872Y4MCL), which are sold separately.

Pros

  • Easy installation with slide-out chassis
  • ENERGY STAR Certified for energy-efficient performance
  • Multi-directional airflow for optimal circulation and cooling
  • Easy-to-clean washable filter with Clean Filter Alert feature
  • Eco Mode for maintaining the set temperature and keeping the room cool and comfortable
  • Fresh Air Vent feature for drawing in fresh outdoor air
  • Programmable timer for customized comfort
  • Sleep Mode for maximum comfort and quiet operation
  • Compatible with mounting bracket (B0872XNZP3) and side panel (B0872Y4MCL)

5. Winac Filter – Cut-To-Fit Replacement For Window Ac

Breathe in fresh air with the Air Conditioner Filter Replacement. Made of electrostatic non-woven polyester fabric, this filter is highly efficient in capturing dust, pollen, dander, and other common pollutants in the air, resulting in an improved air quality and a comfortable life. Unlike the fragile foam material, this filter has a better filtering ability and is highly durable. The filter size of 24 x 15 x 1/4 inch is perfect for most window air conditioning units, and it can be easily cut to fit your specific needs. The installation process is simple and hassle-free, just put the filter into the air conditioner unit, and you will be able to enjoy the fresh air. It is recommended to check and replace the filter regularly to maintain the air quality and prolong the lifespan of your air conditioning unit.

Pros

  • Efficiently captures dust, pollen, dander, and other common pollutants in the air
  • Improves air quality and enhances life comfort
  • Made of electrostatic non-woven polyester fabric, highly durable and efficient in filtering
  • Suitable for most window air conditioning units, and can be cut to fit specific needs
  • Easy and hassle-free installation process

Cons

  • – No cons found.

6. Nordic Pure 24 By 96-Inch-Wac-Hp44-Roll Window Air Conditioner Filter

Looking for a window A/C filter roll that can be cut to fit most room window units? Look no further than this hypoallergenic and antimicrobial pleated electrostatic filter material. With an actual size of 24 x 96 x 1/4 inches, this filter can provide fresh, clean air for your room. Made in the USA, this filter is an excellent choice for those who want to keep their room free from allergens and other harmful particles. You can replace it approximately every 30 to 60 days for best results.

This filter is specially designed to provide maximum filtration and air flow. It is made from high-quality materials that are both durable and long-lasting. The pleated design ensures that there is plenty of surface area for air to pass through, while the electrostatic material captures even the smallest particles. This filter is also hypoallergenic and antimicrobial, making it an excellent choice for those who suffer from allergies or asthma.

Installing this filter is easy. Simply cut it to the desired size using a pair of scissors, and then slide it into place. You can also remove and replace it quickly and easily whenever necessary. With its high-quality construction and effective filtration, this filter is an excellent choice for anyone who wants to improve their indoor air quality.

Pros

  • Can be cut to fit most room window units
  • Hypoallergenic and antimicrobial pleated electrostatic filter material
  • Made in the USA
  • Easy to install and replace
  • Provides maximum filtration and air flow

Cons

  • – Needs to be replaced every 30 to 60 days

7. Lg Window Ac: 15k Btu Smart Cooling For Large Rooms

The LG LW1516ER is an air conditioner that has met the high standards of the ENERGY STAR program. This translates into electricity savings due to its energy-efficient technologies. It is ideal for cooling medium rooms of up to 800 sq. ft. (20' X 40'). The unit has multiple fan speeds with Auto Cool that allow you to customize your cooling experience. The electronic controls are easy to use, and the remote allows you to control the air conditioner from a distance. Additionally, the unit features Auto Restart, which automatically turns the air conditioner back on after a power failure. With its multiple features and maximum usability, the LG LW1516ER is a great option for keeping your space cool and comfortable.

Pros

  • Energy Star Certified for energy-efficient technologies that translate into electricity savings
  • Multiple fan speeds with Auto Cool to customize cooling
  • Easy to use electronic controls with remote
  • Auto Restart feature automatically turns unit back on after power failure
  • Ideal for cooling medium rooms up to 800 sq. ft.

8. Whirlpool Wall Ac And Dehumidifier With Remote

The Whirlpool Through the Wall air conditioner is a powerful and efficient cooling and heating system that is Energy Star-rated and perfect for spaces up to 550 sq. ft. It is not suitable for window installation, but comes with an attached 4.8ft plug that will fit any 230V/20A electrical outlet, ensuring compatibility with most electrical systems. The unit features 8-way directional louvers, 3 cooling fan speeds, 3 heating speeds, 4 operation modes, and a temperature setting range of 62-86 degrees, providing ultimate flexibility for year-round comfort. The onboard electronic controls are supplemented by a convenient remote control, and an integrated, programmable 24-hour timer allows for customized operation.

The Whirlpool Through the Wall air conditioner is designed to fit into sleeves 24.5”-27” wide, and comes with a trim kit and rear grille to ensure a perfect fit and finish. The unit also features an Eco Function and a Sleep Function that help save on energy costs throughout the day and night while keeping you cool. The Eco Mode conserves energy by turning off the compressor when your desired room temperature is reached, while the Sleep Mode adjusts the temperature and fan speed to make you more comfortable, using less energy without disturbing your sleep. Additionally, the unit has a quick-access filter for easy cleaning, ensuring optimal performance.

Pros

  • Powerful and efficient cooling and heating system
  • Energy Star-rated
  • 8-way directional louvers, 3 cooling fan speeds, 3 heating speeds, 4 operation modes, and a temperature setting range of 62-86 degrees
  • Convenient remote control and programmable 24-hour timer
  • Fits sleeves 24.5”-27” wide, with a trim kit and rear grille included
  • Eco Function and Sleep Function to save on energy costs
  • Quick-access filter for easy cleaning

Cons

  • – Not suitable for window installation
  • – Requires a 230V/20A electrical outlet

9. Quiet Wall Ac With Remote For Large Rooms

The Emerson Quiet Kool Wi-Fi enabled air conditioner offers an exclusive 1-2-5 warranty that covers 1 year of labor, 2 years of parts, and 5 years on the compressor. This industry-exclusive warranty ensures you can buy and use the product with confidence.

This 14,000 BTU through-the-wall air conditioner is Energy Star rated, which means that it efficiently cools up to 700 sq. ft while saving you money. At 57dB, it is among the quietest air conditioners in the industry, making it ideal for large rooms. Please note that this product is not suitable for window installation.

The Emerson Quiet Kool air conditioner comes with two air exhaust vents that combine with three fan speeds to give you 8-way flexibility to direct the flow of cold air where you want it when you want it. This feature ensures that the product provides quiet cooling for large rooms.

The product has an integrated 24-hour programmable timer that can be set via on-board controls, remote control, phone/tablet app, or voice controls. The intelligent sleep mode slowly adjusts the temperature and fan speed to keep you comfortable overnight while saving you energy and money.

The Emerson Quiet Kool through-the-wall air conditioner has dimensions of 20.3” D x 24.2” W x 14.5” H. It was designed with Smart-Fit dimensions, meaning it will fit any 24.5” to 27” wall sleeve you have. The included foam insulation helps you retro-fit your sleeve to this new design. Please ensure that you check the dimensions prior to purchasing if you do not have a sleeve.

Pros

  • Industry-exclusive 1-2-5 warranty
  • Energy Star rated, saving money while cooling large rooms
  • Quiet cooling for large rooms
  • 8-way flexibility to direct the flow of cold air
  • Integrated 24-hour programmable timer and intelligent sleep mode
  • Smart-Fit sizing that fits any 24.5” to 27” wall sleeve with included foam insulation

Cons

  • – Not suitable for window installation

Best Window Air Conditioner For Large Room FAQs

Are there any additional features that a window air conditioner for a large room should have?

Yes, there are several additional features that a window air conditioner for a large room should have. Firstly, it should have a high cooling capacity to efficiently cool the entire room. A unit with a higher BTU (British Thermal Units) rating will be more effective in cooling larger spaces. Secondly, a timer function is important to set the air conditioner to turn on or off according to your schedule, which not only saves energy but also reduces your electricity bills. Thirdly, a unit with multiple fan speeds will allow you to adjust the air flow according to your preference and the room temperature. Additionally, a remote control feature is also important so that you can conveniently adjust the temperature and settings without having to get up from your seat. Lastly, an air filter is an essential feature as it helps to purify the air by trapping dust, pollen, and other impurities, making the air healthier and cleaner. These additional features will make your window air conditioner more efficient, convenient, and effective in cooling a large room.

How energy-efficient are window air conditioners for large rooms?

Window air conditioners are a popular choice for cooling large rooms, but their energy efficiency varies depending on several factors. The size of the room, the size of the unit, and the unit's energy efficiency rating all play a role in determining how much energy a window air conditioner will consume.

Generally speaking, larger rooms will require larger air conditioning units, which will consume more energy than smaller units. However, newer models with higher energy efficiency ratings can help to offset some of this energy consumption. Units with a higher SEER rating (Seasonal Energy Efficiency Ratio) are generally more efficient and will use less energy to cool a room.

It's also important to consider other factors that can impact the energy efficiency of window air conditioners. For example, how well the unit is insulated, the quality of the windows in the room, and the outside temperature can all affect how much energy the unit consumes.

In general, it's a good idea to choose a window air conditioner that is appropriately sized for your room and has a high energy efficiency rating. This will help to ensure that you are getting the most energy-efficient cooling possible for your space.

What are the dimensions of a window air conditioner suitable for a large room?

When it comes to selecting a window air conditioner for a large room, the size and dimensions of the unit play a significant role in its effectiveness. The size of the air conditioner is measured in BTUs (British Thermal Units), which indicates the cooling capacity of the unit. For a large room, an air conditioner with a cooling capacity between 10,000 and 25,000 BTUs is recommended to ensure that the room is adequately cooled.

In terms of dimensions, a window air conditioner suitable for a large room typically measures between 26 and 36 inches in width and 16 to 18 inches in height. It is essential to measure the window opening accurately before purchasing the unit to ensure that it fits correctly. Additionally, keep in mind that larger units can be heavier, so it's important to make sure that the window can support the weight of the air conditioner.

In conclusion, when selecting a window air conditioner for a large room, it's crucial to consider both the cooling capacity and the dimensions of the unit. By choosing the right size, you can ensure that your air conditioner will effectively cool your large room and provide you with a comfortable living space.

What is the average lifespan of a window air conditioner for a large room?

The average lifespan of a window air conditioner for a large room can vary depending on several factors, such as the brand, maintenance, usage, and environmental conditions. In general, a well-maintained and properly installed window air conditioner can last for about 10-15 years. However, if the unit is subjected to heavy usage or extreme weather conditions, its lifespan may be shorter. Regular cleaning, filter replacement, and inspection of the unit can help prolong its lifespan and improve its efficiency. It's also important to consider the cost-effectiveness of repairing an old unit versus replacing it with a newer, more energy-efficient model. Overall, the lifespan of a window air conditioner for a large room can be extended with proper care and maintenance, but it's important to keep in mind that eventually, all appliances will need to be replaced.

What is the recommended BTU size for a window air conditioner for a large room?

When selecting a window air conditioner for a large room, it is important to consider the BTU (British Thermal Unit) size of the unit. The recommended BTU size for a large room can vary depending on factors such as the size of the room, the number of windows, the amount of insulation, and the climate. Generally, a room that is between 350 and 700 square feet will require an air conditioner with a BTU size of 18,000-25,000. However, it is important to note that purchasing an air conditioner that is too large for the room can result in inefficient cooling and higher energy bills. It is recommended to consult with an HVAC professional or refer to manufacturer guidelines to determine the appropriate BTU size for your specific room. Additionally, energy-efficient models with features such as programmable thermostats and energy-saving modes can help to reduce energy consumption and costs.

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