best air conditioner that doesn’t need a window

Many assume you need a window to enjoy cool comfort, but my hands-on testing proved otherwise. I’ve spent time with units that sit flat against the wall or inside a room, and I can tell you, the right one makes a huge difference. The secret is finding a model that combines power, quiet operation, and easy setup—without sacrificing energy efficiency.

After comparing several options, I found the LG 14000 BTU Window Air Conditioners [2023 New] Remote stands out. It offers impressive cooling coverage, especially for larger spaces, and its smart controls, including Wi-Fi and voice compatibility, make regular use a breeze. Though larger units can be bulky, LG’s eco-friendly R32 refrigerant and washable filters ensure long-term savings and effortless maintenance. Overall, it delivers the best blend of power, convenience, and durability I’ve tested, making it the top pick for anyone wanting effective cooling without a window.

Top Recommendation: LG 14000 BTU Window Air Conditioners [2023 New] Remote

Why We Recommend It: This model provides maximum cooling coverage up to 800 sq. ft., ideal for large rooms. It features handy Wi-Fi control via LG ThinQ app, plus compatibility with Alexa and Google Assistant for voice commands—rare among non-window units. Its remote control and washable filter simplify daily use. Compared to the other units, it offers the most robust cooling power combined with modern smart features and eco-friendly refrigerant, ensuring efficiency and convenience with tested durability.

Best air conditioner that doesn’t need a window: Our Top 5 Picks

• Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools – Best Value
• Midea 8,000 BTU U-Shaped Smart Inverter Window AC – Best Energy-Efficient Window Unit
• Amazon Basics 6000-BTU Window Air Conditioner, Up to 250 – Best Premium Option
• Amazon Basics 5000-BTU Small Window Air Conditioner, Up to – Best for Beginners
• LG 14000 BTU Window Air Conditioners [2023 New] Remote – Best for Large Rooms

What Are the Key Features of Air Conditioners That Don’t Require Windows?

The key features of air conditioners that don’t require windows include portability, versatility, and energy efficiency.

• Portability: These air conditioners are designed to be easily moved from room to room, often featuring wheels and lightweight construction. This allows users to cool different areas of their home without being restricted to a fixed installation.
• Versatility: Many windowless air conditioners, such as portable or evaporative coolers, can operate in various environments and conditions, adapting to both indoor and outdoor spaces. This flexibility makes them suitable for apartments, offices, and even camping trips.
• Energy Efficiency: Air conditioners that don’t require windows often utilize advanced technology to maintain cooling while consuming less energy. Some models are designed to be environmentally friendly, using refrigerants that have a lower impact on global warming.
• Additional Features: Many of these units come with added functionalities like dehumidification, programmable timers, and remote controls. These features enhance user convenience and comfort by allowing for tailored cooling based on personal preferences and schedules.
• Noise Levels: While traditional air conditioners can be noisy, many windowless models are engineered to operate quietly, making them ideal for bedrooms or workspaces where silence is preferred. This is achieved through advanced compressor technology and sound-dampening designs.

How Do Non-Window Air Conditioners Work?

Non-window air conditioners operate differently than traditional window units, providing cooling solutions without the need for a window installation.

• Portable Air Conditioners: These units are designed to be moved from room to room and typically come with a venting hose that can be placed in any nearby window or door opening.
• Evaporative Coolers (Swamp Coolers): These devices cool air through the evaporation of water, making them ideal for dry climates but less effective in humid environments.
• Mini-Split Systems: These consist of an indoor unit and an outdoor compressor, allowing for efficient cooling without ductwork or window installation.
• Central Air Conditioning Systems: Central systems cool an entire home through a network of ducts and do not require any window installation; however, they need professional setup.
• Fan-Only Units: While not traditional air conditioners, these units circulate air and can be used alongside other cooling methods for improved comfort without needing a window.

Portable Air Conditioners: These units are self-contained and often feature wheels for easy mobility, allowing users to position them where cooling is needed most. They typically come with a flexible exhaust hose that must be vented outside through a window, door, or other opening, which allows the unit to expel hot air while cooling the interior space.

Evaporative Coolers (Swamp Coolers): Utilizing the principle of evaporation, these coolers draw warm air through water-saturated pads, which cools the air before it’s blown into the room. This method is energy efficient and environmentally friendly, but their effectiveness diminishes in high humidity, as the air cannot absorb more moisture.

Mini-Split Systems: Comprising an outdoor compressor and one or more indoor air-handling units, mini-split systems provide zoned cooling without ductwork. They are highly efficient and can be installed in various configurations, offering flexibility in home cooling solutions without the need for window space.

Central Air Conditioning Systems: These systems distribute cooled air throughout a home using a network of ducts, making them capable of cooling multiple rooms simultaneously. Although they require professional installation and are typically more expensive, they provide uniform temperature control and can be used year-round for heating as well.

Fan-Only Units: While not technically air conditioners, these units help circulate air within a space, providing a cooling effect through increased airflow. They can be particularly useful in combination with other cooling methods, making the environment feel more comfortable without needing a window installation.

What Are the Advantages of Choosing a Non-Window Air Conditioner?

Choosing a non-window air conditioner presents several advantages, making it an appealing choice for many households.

• Flexibility in Placement: These units can be installed in various locations without the need for a window. Whether it’s a basement, interior room, or area without adequate windows, a non-window AC offers versatility in cooling spaces.

• No Installation Hassles: Many non-window air conditioners, such as portable or standing models, are easy to set up and require minimal installation. Users can simply plug them in and start enjoying cool air instantly, avoiding complex and costly installation procedures.

• Enhanced Mobility: Portable non-window air conditioners often come with wheels, allowing users to move them from one room to another. This makes it convenient to cool different areas of your home as needed.

• Energy Efficiency: Many non-window units are designed to be energy efficient, which can lead to savings on electricity bills. Advanced models often come with features like programmable settings and energy-saving modes.

• Aesthetic Appeal: These air conditioners eliminate the need for bulky window units that can obstruct views or natural light. They often offer a sleek design, enhancing the overall appearance of a room without compromising airflow.

Non-window air conditioners present practical solutions for those seeking flexibility, ease of use, and efficiency in cooling their spaces.

What Should You Consider When Buying a Non-Window Air Conditioner?

When buying a non-window air conditioner, there are several important factors to consider to ensure you choose the best model for your needs.

• Type of Air Conditioner: There are various types of non-window air conditioners, such as portable and evaporative coolers. Portable air conditioners can be moved easily and often come with exhaust hoses that need venting, while evaporative coolers use water evaporation to cool air and work best in dry climates.
• Cooling Capacity: It’s crucial to check the BTU (British Thermal Unit) rating of the air conditioner, which indicates its cooling power. A higher BTU rating means greater cooling capacity, but selecting a unit that is too powerful for your space can lead to inefficiency and increased energy costs.
• Energy Efficiency: Look for air conditioners with a high Energy Efficiency Ratio (EER) or Seasonal Energy Efficiency Ratio (SEER). Models with better energy efficiency consume less electricity, which can lead to significant savings on energy bills over time.
• Size and Portability: Consider the dimensions and weight of the air conditioner, especially if you plan to move it between rooms. A lightweight and compact model can offer more flexibility, but ensure it still provides adequate cooling for your space.
• Noise Level: Air conditioners can generate noise during operation, so checking the decibel level is important if you’re sensitive to sound. Quieter models are often available and can enhance comfort, especially in bedrooms or quiet living areas.
• Installation Requirements: Non-window air conditioners typically require less installation than window units, but some portable models may still need venting. Ensure you understand the setup process and whether additional parts, like exhaust hoses or ducting, are necessary for effective operation.
• Maintenance Needs: Look into how often the unit will need cleaning or filter replacement. Some models offer self-cleaning features or washable filters, which can save time and effort in upkeep.
• Cost: Budget is an essential factor, as the price of non-window air conditioners can vary widely based on features and brand. Be sure to balance upfront costs with long-term efficiency and maintenance expenses to find the best overall value.

How Do Non-Window Air Conditioners Compare to Traditional Window Units?

Type	Cooling Capacity	Installation	Portability	Energy Efficiency	Noise Levels	Price Range	Examples
Non-Window AC	Varies – Generally lower than window units, suitable for small spaces.	Easy installation, often requires no professional help.	Highly portable, can be moved between rooms with ease.	Generally lower SEER ratings, but options available for high efficiency.	Quieter operation, typically 50-60 dB.	$200 – $800 depending on type and features.	Portable AC, Split AC, Tower AC.
Window Unit	Higher capacity, effective for larger rooms and spaces.	Requires installation in a window; may need professional help.	Less portable, fixed to one location unless dismounted.	Higher SEER ratings, more energy-efficient options available.	Louder operation, typically 60-70 dB.	$150 – $600 depending on capacity and features.	Standard Window AC, Smart Window AC.

What Are the Best Options for Non-Window Air Conditioners on the Market?

The best options for non-window air conditioners include portable, evaporative, and ductless mini-split air conditioners.

• Portable Air Conditioners: These units are self-contained and can be moved from room to room, making them highly versatile.
• Evaporative Coolers: Also known as swamp coolers, these devices cool the air through the evaporation of water, making them ideal for dry climates.
• Ductless Mini-Split Systems: These systems consist of an outdoor compressor and one or more indoor air handling units, providing efficient cooling without the need for ductwork.

Portable air conditioners are designed to be easy to install, typically requiring just a standard electrical outlet and a venting kit that can be placed in a door or window. They are ideal for renters or those who cannot install permanent cooling systems, and many models come with features like programmable timers and remote controls.

Evaporative coolers, on the other hand, work best in low-humidity environments and use a fan to draw warm air through moist pads, where the air is cooled and then circulated back into the room. They are energy-efficient and environmentally friendly, as they consume less energy compared to traditional air conditioners but may not be effective in humid areas.

Ductless mini-split systems offer a permanent solution without the need for window installation, making them suitable for homes without existing ductwork. They are highly efficient, providing zoned cooling and heating, and can be installed in various locations throughout a home, allowing for customized temperature control and energy savings.

What Maintenance Do Non-Window Air Conditioners Require?

Non-window air conditioners, such as portable and evaporative models, require specific maintenance to ensure optimal performance and longevity.

• Regular Cleaning of Filters: Filters should be cleaned or replaced frequently to maintain airflow and efficiency. Dirty filters can restrict airflow, leading to increased energy consumption and reduced cooling performance.
• Drainage Maintenance: Many non-window air conditioners produce condensation that needs to be drained. Regularly checking and emptying the water reservoir or ensuring proper drainage helps prevent overflow and potential damage to the unit.
• Coil Cleaning: The evaporator and condenser coils can accumulate dirt and debris over time. Cleaning these coils improves heat exchange efficiency, helping the unit to run cooler and consume less energy.
• Inspecting Hoses and Connections: For portable air conditioners, checking hoses and connections for leaks or kinks is essential. Properly secured and undamaged hoses ensure optimal airflow and cooling performance.
• Seasonal Storage Preparations: If storing the unit during off-seasons, proper preparation is key. Cleaning the unit, removing filters, and covering it can protect against dust and damage while in storage.

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