Non Window Air Conditioner: Review The Best 5

Is a sweltering summer making your home feel like an oven? Many people want cool air but face a big problem: they can’t use a traditional window air conditioner. Maybe your apartment rules forbid them, or perhaps your windows just won’t open! This leaves you searching for a different kind of cool. Finding the perfect “non-window” air conditioner can feel like a puzzle. You worry about noise, how much space they take up, and if they actually work well enough to beat the heat.

Don’t sweat it any longer! This guide is here to clear up the confusion. We will break down the best types of air conditioners that don’t need a window slot. You will learn exactly what features matter most, how to compare different models easily, and which option fits your budget and room size perfectly. Get ready to discover your quiet, efficient, and powerful cooling solution.

Top Non Window Air Conditioner Recommendations

SaleBestseller No. 1

ZAFRO Portable Air Conditioners, 10000 BTU, 3 in 1 Portable AC Unit with Window Kits, Fan & Dehumidifier Modes, Cools up to 450 Sq.Ft, LED Display/Remote Control, 24H Timer for Living Room, Bedroom

Powerful Cooling and Diverse Functions: This portable air conditioner has an ASHRAE 10000 BTU (SACC 6000 BTU) cooling capacity, which can effectively cool spaces up to 450 sq. ft. It offers three operation modes: cooling, dehumidifying, and fan, as well as two adjustable fan speeds to cater to your different comfort requirements. The cooling mode permits temperature adjustments ranging from 62°F to 86°F, enabling you to set your desired temperature for maximum comfort.
Easy Operation and Portability: This air conditioner is equipped with a 24-hour timer, which allows you to set it to turn on or off at specific times for added convenience and energy efficiency. It also features a fully functional remote control and an easy-to-use LED display panel, enabling you to adjust settings effortlessly from a distance. The unit is designed with casters and side handles, making it easy to move around and transport between different rooms, such as bedrooms, living rooms, offices, and dormitories.
Sleep Mode and Quiet Performance: This air conditioner is equipped with a sleep mode that automatically adjusts the temperature and fan speed to a lower setting, creating a comfortable and energy-efficient environment for a good night's sleep. It operates at a noise level of 53 decibels or less, ensuring a quiet and peaceful atmosphere without disturbing your rest.
User-friendly Design: This portable air conditioner comes with a water full indicator that alerts you when the water tank is full, preventing overflow and ensuring smooth operation. The air conditioner has washable fittings that are easy to clean, as well as an auto-shutoff feature that prevents overheating or damage to the unit.
Effortless Installation: The process of installing this portable air conditioner is very simple. You just need to position it in the area where you want to use it and then attach the supplied hose and window adapter. The package comes with an exhaust hose, hose connector, water pipe, adapter, and a window kit. This air conditioner is designed to fit both double/single-hung windows and sliding windows.

SaleBestseller No. 2

COOLECH 42 INCH Windowless Portable Air Conditioners w/4 Modes & 3 Speeds, 1-Gal Tank for 15H Cooling, 12H Timer, Swamp Cooler Air Conditioner No Window Needed, 90° Oscillating AC Unit for Bedroom

【𝟒 𝐌𝐨𝐝𝐞𝐬 & 𝟑 𝐒𝐩𝐞𝐞𝐝𝐬 𝐟𝐨𝐫 𝐂𝐮𝐬𝐭𝐨𝐦𝐢𝐳𝐢𝐧𝐠 𝐘𝐨𝐮𝐫 𝐂𝐥𝐢𝐦𝐚𝐭𝐞】With 3 wind speeds (low-18ft/s, medium-22ft/s, and high-28/ft/s), our evaporative air cooler delivers an airflow distance at up to 28 ft/s. Choose from 4 modes (Cooling/Normal/Sleep/Nature): Normal for daily use, Sleep for restful nights, and Cooling for a powerful cooling effect on hot days. Beat the heat effortlessly and enjoy a cool, comfortable living space with the COOLECH swamp cooler!
【𝟑 𝐈𝐍 𝟏 𝐚𝐬 𝐅𝐚𝐧, 𝐀𝐢𝐫 𝐂𝐨𝐨𝐥𝐞𝐫 & 𝐇𝐮𝐦𝐢𝐝𝐢𝐟𝐢𝐞𝐫 】This air cooler for room works as a fan, humidifier, and air cooler in a sleek design. 1) Fan: Delivers powerful airflow for ventilation. 2) Humidifier (add water): Combats dryness, improving air humidity and relieving dry skin. 3) Air Cooler (add water and ice packs): Uses evaporation to create a cooling environment, perfect for hot days. The COOLECH 3-in-1 evaporative air cooler adapts seamlessly to your needs.
【𝟗𝟎° 𝐎𝐬𝐜𝐢𝐥𝐥𝐚𝐭𝐢𝐨𝐧 𝐂𝐨𝐯𝐞𝐫𝐬 𝐮𝐩 𝐭𝐨 𝟑𝟎𝟎 𝐬𝐪. 𝐟𝐭】Boasting 17.7-inch air outlets and a 90° auto-oscillation range, this 42-inch swamp cooler air conditioner delivers even cooling airflow to the room. with a powerful airflow of up to 1400 CFM and 28ft air throw distance, COOLECH portable swamp cooler can quickly cool room areas up to 300 sq. ft, allowing you to enjoy a cooling breeze even from a considerable distance.
【𝟏𝟓𝐇 𝐂𝐨𝐧𝐭𝐢𝐧𝐮𝐨𝐮𝐬 𝐂𝐨𝐨𝐥𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝟏-𝐆𝐚𝐥 𝐖𝐚𝐭𝐞𝐫 𝐓𝐚𝐧𝐤】Enjoy efficient cooling with our portable swamp cooler indoor. Equipped with a large 1-gallon water tank and 4 upgraded ice packs, it offers up to 15 hours of continuous cooling without frequent refills; reduces indoor dryness by 35%, ensuring a comfortable environment. Plus, with the visible water level, you can monitor the water tank easily and refill it when needed. (Data collected during low-speed tests.)
【𝟐𝟎𝟐𝟓 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐂𝐨𝐨𝐥𝐢𝐧𝐠 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲】COOLECH's upgraded air cooler for room features the 2025 latest cooling technology: high-performance motor, innovative air duct design, and 3 high-density cooling pads. Quickly reduces ambient temp by 36-50°F by converting water into a cool mist, delivering a cooling airflow. Tip: Enhance the cooling effect by adding frozen ice packs to the water tank. (*Tested at 95°F in the lab, the cooling effect varies based on indoor humidity.)

Bestseller No. 3

Portable Air Conditioners, 10000 BTU Air Conditioner for Room Up to 450 Sq.Ft, 24H Timer, Remote Control, Dehumidifier, 3 in-1 AC Unit with Window Kit for Bedroom, Indoor Rooms, Home Office

Powerful 10,000 BTU Cooling for Medium Rooms: This portable air conditioner delivers 10,000 BTU (ASHRAE) cooling capacity, efficiently cooling rooms up to 450 sq.ft. Ideal for bedrooms, living rooms, and home offices, it maintains temperatures between 61°F and 88°F for personalized comfort
Quiet Operation with Sleep Mode & Timer: Equipped with a 24-hour timer and sleep mode, this portable AC unit operates quietly throughout the night to ensure a restful sleep while preserving energy. Easily schedule cooling to fit your daily routine for maximum convenience
Upgraded Window Sealing Kit for Easy Installation: Includes an improved three-piece window kit compatible with windows from 25.6 in to 50 in width, reducing the need for cutting and simplifying setup. Perfect for use with most sliding and vertical windows, making installation hassle-free
User-Friendly Digital Controls & Remote: Adjust temperature, fan speed, mode, and timer effortlessly via the digital control panel or included remote control. This room air conditioner also allows easy switching between ℃ and ℉ units for your convenience
3 in-1 Cooling, Dehumidifying & Fan Functions: This small AC unit combines cooling, dehumidifying, and fan modes to create a comfortable indoor environment. The dehumidifier removes excess moisture, while the two-speed fan circulates air efficiently. Includes manual and automatic drainage options with a water pipe for hassle-free maintenance

SaleBestseller No. 4

Dreo Tower Fan for Bedroom, 25ft/s Velocity Quiet Floor Fan, 90° Oscillating Fans for Indoors with 4 Speeds, 4 Modes, 8H Timer, Standing Fans, Bladeless Fan, Black, Nomad One (DR-HTF007)

Powerful Meets Portable: DREO's all-in-one airflow system combines with a supercharged electric motor, delivering high-speed, refreshing winds. This 36-inch compact tower fan enlivens every inch of air in your living space fast at up to 25ft/s.
Cut Out the Noise: Enjoy all-day serenity and comfort, enabled by its algorithmic impeller design and the magical Conada effect. Along with display auto off, auto mute in Sleep mode, 8h timer, and soothing airflow, you can always get a restful sleep whenever you need it.
Easy to Clean and Safe to Use: Removable rear grille and impeller wheel make cleaning more accessible. Designed with fingertip pinch-proof grills, a fused plug and built-in circuit protection, this ETL-listed standing fan ensures safety is always prioritized.
Far and Vast: 90° oscillation and calibrated airflow path allow this oscillating fan to cover more areas in the room. Combine with your air conditioners for cost-effective comfort during hot days.
Customizable Comfort: Featured with 4 modes (Normal/Natural/Sleep/Auto) and 4 speeds from soothing-soft to storm-strong, you can easily customize your comfort at the touch of a button, on the panel or the remote.

SaleBestseller No. 5

MYICY 25" Windowless Air Conditioner with Double Tanks for 16H Cooling, 25ft Remote & 7H Timer, 3-IN-1 Evaporative Air Cooler, 90° Oscillation, 2-Mode & 3-Speed Swamp Cooler Air Conditioner Portable

❄️【Upgraded Motor for Superior Cooling】MYICY windowless portable air conditioner is powered by a 2026-upgraded motor, built with high-temperature-resistant materials and an efficient coolant circulation system. It delivers rapid, stable cooling, ensures extended durability, and requires minimal maintenance. The integrated, optimized air duct maximizes both airflow coverage and speed, effectively lowering the ambient temperature by 41–49°F in just seconds for instant relief.
❄️【Personalized Comfort with 2 Modes & 3 Speeds】This indoor swamp cooler air conditioner features 3 speeds (Low-20 ft/sec, Medium-25 ft/sec, and High-30 ft/sec) and 2 modes including Normal (steady chill), Cooling (ice-boost max) to create your ideal climate. Whether you're working, relaxing, or sleeping, our air cooler for room delivers the perfect balance of performance and comfort to fit your personalized cooling experience.
❄️【14-Inch Air Outlet & 90°Wider Oscillation】MYICY windowless air conditioner for bedroom features a 14-inch air outlet with 90° auto-swing for wide-angle airflow distribution. Delivering up to 1620 CFM, it quickly cools down your space with an effective cooling area of 300 sq.ft. When paired with your existing air conditioning system, it ensures even airflow and coolness in every corner—perfect for creating a comfortable environment in any room!
❄️【Double Detachable Tanks for Easy Refilling and Cleaning】MYICY portable air conditioners windowless features 3L dual water tanks, including an upper tank for easy refilling and a removable lower tank for hassle-free cleaning. With a continuous runtime of up to 16 hours in humidification mode (varies based on ambient humidity), it ensures uninterrupted cooling comfort. The front-facing water level indicator lets you easily monitor and refill the tank when needed.
❄️【25-Inch Ergonomic Height & 360° Wheel】①Standing at a convenient 25-inch height, this portable swamp cooler indoor allows you to easily adjust panel functions without bending over. ②Weighing just 10 pounds, it’s designed for ultimate portability with 360° swivel wheels and a built-in handle, making it a breeze to move from room to room. ③Its compact size fits perfectly into small corners, delivering cool air exactly where you need it.This room air conditioner is your go-to solution!

Bestseller No. 6

SereneLife Portable Swamp Cooler Air Conditioner - 2500 CFM Airflow, 8 Gallon Water Tank Portable Evaporative Air Cooler for Room & Outdoors, WiFi, Humidifier & Fan Modes, Ice Packs & Remote Included

POWERFUL EVAPORATIVE AIR COOLER- It has 2500 CFM of airflow with 360° oscillation and dual ice packs for enhanced performance. Works perfectly as a portable swamp cooler air conditioner in bedrooms, living rooms, and covered outdoor areas
3-IN-1 PORTABLE EVAPORATIVE AIR COOLER - Use it as a cooler, fan, or humidifier with three wind modes and a 12-hour timer. It adapts to your comfort all day. Works as an ice fan air cooler for room use with targeted airflow and moisture control
SMART COOLING WITH WI-FI CONTROL - Control it with LED touch, remote, or mobile app. The 8 Gallon Water Tank with a safety pump makes it a reliable room cooler for daily use. Enjoy convenience with this portable evaporative cooler that’s easy to move
ENERGY-EFFICIENT AND QUIET OPERATION - No venting required, making it perfect for portable air conditioners no windows needed setups. A washable filter and auto-dry pad system make this a low-maintenance portable cooler. It works at 140W and ≤52 dB
PORTABLE & STYLISH ICE COOLER - Swing airflow up/down and side-to-side for custom cooling. The sleek ABS housing looks great in any space. This portable air cooler has built-in handles and caster wheels for easy room-to-room movement

Bestseller No. 7

Portable Air Conditioners Fan,AI Portable AC Unit With 1500ML Water Tank,4-IN-1 Evaporative Air Cooler with Remote Control 7 Color Light Personal Mini Air Conditioner Portable for Room Office(White)

【Massive Water Tank Capacity】Engineered with an oversized sealed reservoir, the JYew portable AC provides up to 12 hours of low-mist cooling on one refill. Customize operation via programmable settings for seamless comfort during work, reading, or sleep cycles—gentle airflow prevents sudden temperature drops. (Safety: Auto shut-off activates when water depletes, safeguarding against dry operation.)
【120° Wide-Angle Oscillation for Full-Room Comfort】Featuring enhanced 120° auto-sweeping technology, this portable cooler distributes air evenly across large areas without manual repositioning. Ideal for home offices, bedrooms, or living rooms, its energy-efficient oscillation cools every corner while maintaining whisper-quiet performance. Compact and lightweight for hassle-free relocation day or night.
【7-Color Ambient Nightlight & Cooling Combo】Elevate your environment with this dual-function portable AC, showcasing a 7-color gradient nightlight that cycles through soothing tones for relaxation or vibrant accents. Perfect for nurseries, bedtime routines, or cozy gatherings—combines discreet cooling with customizable mood lighting. Ultra-quiet operation preserves tranquility for uninterrupted sleep. Energy-efficient and space-smart for multi-room flexibility!
【Dual Mist Modes for Personalized Cooling】Optimized with 2-speed mist control, choose between Low mode for subtle humidity during nighttime serenity or High mode for robust daytime cooling. Tailored for bedrooms, workspaces, and compact areas, its noise-reduced design ensures focused comfort without energy waste. Portable and user-friendly for instant climate adjustment!
【Indoor-Outdoor Versatility for Any Space】Built for seamless transitions between environments, this compact portable AC cools offices, patios, tents, or RVs with equal efficiency. Lightweight and compatible with battery/USB power (where applicable), it delivers rapid relief during heatwaves without complex installations. Experience 360° cooling adaptability—ideal for summer adventures or everyday home use!

Bestseller No. 8

CENSTECH Windowless Air Conditioner, Swamp Cooler with 4 Modes & 3 Speeds, 15H Timer for Smart Auto-off, 2-Gal Tank for 20H Cooling, Remote, 120° Oscillating Portable Air Conditioners No Hose Needed

❄️【𝟐𝟎𝟐𝟓 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐂𝐨𝐨𝐥𝐢𝐧𝐠 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲】CENSTECH's upgraded portable evaporative cooler utilize the 2025's latest cooling technology: high-performance motor, innovative air duct design, and high-density cooling pad. Quickly reduces ambient temperatures by 41-49°F as water evaporates to absorb heat, achieving rapid cooling. Tip: Enhance the cooling effect by adding frozen ice packs to the water tank. (*Tested at 95°F in the lab, the cooling effect varies based on indoor humidity)
❄️【𝟒 𝐌𝐨𝐝𝐞𝐬 & 𝟑 𝐒𝐩𝐞𝐞𝐝𝐬】Enjoy personalized cooling with our portable air conditioners which features 4 modes: Cooling/Sleep/Normal/Nature. Adjust settings to your preference and enjoy optimum comfort. Customize airflow with 3 fan speeds (low-13ft/s, medium-20ft/s, and high-27ft/s) for the perfect breeze. With 12 cooling combinations, find the perfect match for all your needs. Indulge in the customized cooling you deserve with our portable swamp cooler indoor!
❄️【𝐕𝐞𝐧𝐭𝐥𝐞𝐬𝐬 𝐀𝐢𝐫 𝐂𝐨𝐧𝐝𝐢𝐭𝐢𝐨𝐧𝐞𝐫, 𝐍𝐨 𝐇𝐨𝐬𝐞 & 𝐖𝐢𝐧𝐝𝐨𝐰𝐬 𝐍𝐞𝐞𝐝𝐞𝐝】No hoses, no windows, no assembly needed. CENSTECH ventless air conditioner can be used after being unpackaged. Unlike traditional wall-mounted ACs, our windowless air conditioner operates at a mere 65W, slashing installation and maintenance costs while cutting electricity usage by up to 60%. Plus, the easy-to-clean removable cooling pad simplifies upkeep.
❄️【𝟏𝟓-𝐇𝐨𝐮𝐫 𝐒𝐦𝐚𝐫𝐭 𝐓𝐢𝐦𝐞𝐫 & 𝐔𝐥𝐭𝐫𝐚-𝐐𝐮𝐢𝐞𝐭 𝐚𝐭 𝟒𝟓𝐝𝐁】Our air conditioner for bedroom features an extended 15-hour timer with auto shut-off, allowing scheduled shutdowns aligned with your routine. Meanwhile, with a whisper-quiet 45-decibel lower noise level, the air conditioner for the room ensures a peaceful study, work or sleep without interruption. All functions seamlessly complement the sleep mode, ensuring a tranquil and sweet night's sleep throughout.
❄️【𝟏𝟐𝟎° 𝐎𝐬𝐜𝐢𝐥𝐥𝐚𝐭𝐢𝐨𝐧 𝐂𝐨𝐯𝐞𝐫𝐬 𝐮𝐩 𝐭𝐨 𝟑𝟎𝟎 𝐬𝐪. 𝐟𝐭.】CENSTECH swamp cooler air conditioner can auto-swing horizontally by 120° and manually adjust vertically by 20°, ensuring even cooling the entire room. With a strong airflow of 1620 cubic ft/min, our evaporative coolers can efficiently cover an area of up to 300 sq. ft. The upgraded cooling pad provides ample cooling and humidifying airflow for dry, hot rooms.

The Essential Buying Guide for Non-Window Air Conditioners

Non-window air conditioners, often called portable or ductless mini-split units, offer fantastic cooling without needing a big window opening. They are perfect for apartments, server rooms, or additions where traditional central air doesn’t reach. Choosing the right one means staying cool and comfortable all summer long.

Key Features to Look For

When shopping, certain features make a big difference in how well the unit works for you.

**BTU Rating (Cooling Power):** This is the most important number. BTUs (British Thermal Units) measure how much heat the unit can remove from a room. Bigger rooms need higher BTUs. A small bedroom might need 8,000 BTUs, while a large living room might need 14,000 BTUs or more.
**Energy Efficiency (EER/SEER Rating):** Look for a high Energy Efficiency Ratio (EER) or Seasonal Energy Efficiency Ratio (SEER). Higher numbers mean the unit uses less electricity to cool the same amount of space. This saves you money on your power bill.
**Portability and Size:** If you plan to move the unit between rooms, check the wheels and overall weight. Also, measure your space—some units are bulky.
**Noise Level (dB):** Air conditioners make noise. Check the decibel (dB) rating. Anything under 55 dB is usually quiet enough for sleeping areas.
**Dehumidifying Function:** Many units pull moisture out of the air while cooling. This is great for humid climates because drier air feels cooler.

Important Materials and Build Quality

The materials used affect how long your AC lasts and how well it handles moisture.

Look for units with sturdy plastic casings. Metal components inside, especially the condenser coils, should be made of **copper** or high-quality aluminum. Copper lasts longer and transfers heat better than cheap aluminum.

A quality unit will have good seals around the hoses and connections to prevent leaks. Poorly made plastic can crack over time, especially if the unit sits in direct sunlight.

Factors That Improve or Reduce Quality

What makes an AC better or worse? It often comes down to the compressor and the controls.

Quality Boosters: Inverter technology is a big plus. Inverter units adjust their cooling speed instead of constantly turning fully on and off. This makes them quieter, more energy-efficient, and often results in more consistent temperatures.

Quality Reducers: If the unit relies only on a simple on/off switch without good thermostatic control, it will cycle frequently. This wastes energy and causes temperature swings. Also, flimsy remote controls or hard-to-read digital displays reduce the overall user experience.

User Experience and Use Cases

How you use the AC changes what you should buy.

**Apartment Living:** Portables are excellent here. They only need a small opening for the exhaust hose (usually through a sliding window kit). Look for models with strong dehumidifying functions if you are in a basement apartment.
**Temporary Cooling:** If you only need cooling for a few weeks during a heatwave, a standard portable unit works well. You can store it easily when the weather cools down.
**Home Offices:** For long hours spent working, prioritize low noise levels (under 50 dB) and reliable temperature maintenance. Inverter models shine here.

Setting up the exhaust hose correctly is vital. If the seal around the hose in the window or wall vent is poor, hot air will leak back into the room, making the AC work much harder.

10 Frequently Asked Questions (FAQ) About Non-Window ACs

Q: What is the main difference between a portable AC and a mini-split AC?

A: A portable AC is one unit that sits inside your room and vents out through a hose. A ductless mini-split has two parts: an indoor unit and an outdoor compressor connected by a small pipe, which is much quieter indoors.

Q: Do non-window ACs need constant draining?

A: Most modern portable units use an evaporator system to handle most of the collected water (condensate). However, in very humid weather, you might need to empty a small collection bucket every few hours or once a day.

Q: Can I use a portable AC without venting it out?

A: No, you must vent the hot exhaust air outside. If you do not vent it, the unit will just pump hot air back into the room, and it will not cool effectively.

Q: Are portable ACs as powerful as window units?

A: Generally, a portable AC rated at 12,000 BTUs cools less effectively than a window unit rated at 12,000 BTUs. This is because some heat from the machine stays inside the room.

Q: How much electricity do these units use?

A: It depends on the size (BTU). A small 8,000 BTU unit might use about 700 to 900 watts on high. Always check the energy label for the exact power draw.

Q: What is the ideal room size for a 10,000 BTU unit?

A: A 10,000 BTU unit typically cools a room between 250 and 350 square feet, assuming standard ceiling heights and normal sunlight.

Q: How important is the SEER rating for a portable AC?

A: The SEER rating is very important for portability. Since these units run often, a higher SEER rating directly translates to lower running costs over the summer.

Q: Can I move a portable AC from one room to another easily?

A: Yes, that is their main advantage. Most have wheels. You just need to disconnect the exhaust hose from the window kit and move the hose setup to the new room.

Q: What does “dual-hose” mean on a portable AC?

A: Dual-hose units draw in outside air through one hose for cooling the compressor and exhaust the hot air through the second hose. This is more efficient than single-hose units.

Q: Do these units require professional installation?

A: No. Most non-window portable ACs are designed for easy DIY setup. You usually only need to attach the exhaust hose and secure the window kit.