Best Windowless Portable Room Air Conditioners No Windows Needed Ventless in 2025
Updated on June 2025
#1
Recommended
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- 3-in-1 functionality combines fan, humidifying, and cooling features, ideal for hot and dry climates.
- Covers up to 350 sq. ft. with a 360° auto-swing feature for efficient airflow distribution.
- Safety-focused bladeless design suitable for homes with children and pets.
- Offers 3 fan speeds and 4 modes for customized comfort according to weather needs.
- 1-gallon removable water tank supports 12 hours of cooling and includes a visible water level indicator.
- Quiet operation under 30dB ensures a peaceful environment for sleeping or working.
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- 3-in-1 functionality combines fan, humidifying, and cooling features, ideal for hot and dry climates.
- Covers up to 350 sq. ft. with a 360° auto-swing feature for efficient airflow distribution.
- Safety-focused bladeless design suitable for homes with children and pets.
- Offers 3 fan speeds and 4 modes for customized comfort according to weather needs.
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#2
Value for Money
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- 3-in-1 Cooling Power with 6 Ice Packs:This evaporative air cooler combines a fan, humidifier, and air cooler in one sleek unit. Fill the large 3.2-gallon tank and drop in the 6 included ice packs for extra chill. It cools more effectively than standard fans, perfect for dry summer climates
- Energy Efficient & Hose-Free Convenience:No hoses or complicated installations—just plug it in and enjoy! Consumes only 60W for powerful cooling, saving up to 70% on electricity bills compared to traditional ACs. Ideal for use in bedrooms, living rooms, and offices
- 4 Modes & 3 Wind Speeds for Personalized Comfort:Choose from Normal, Natural, Sleep, or Cooling Mode, and switch between 3 fan speeds for a customized breeze. With a max airflow of 33 ft/s, this swamp cooler delivers fresh air across rooms up to 300 sq.ft
- 12H Timer & Ultra-Quiet Operation:Program your cooling schedule with the 1–12 hour timer, and enjoy a restful night thanks to the whisper-quiet 36dB operation. Ideal for uninterrupted sleep, work, or study, even with the unit running nearby
- Easy Control & Smooth Mobility:Adjust settings with the remote control (up to 25 ft range) or via the intuitive top panel. 360° wheels and built-in handle make it easy to move between rooms. The visible water level and auto fan switch ensure safe, hassle-free use all day
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- 3-in-1 Cooling Power with 6 Ice Packs:This evaporative air cooler combines a fan, humidifier, and air cooler in one sleek unit. Fill the large 3.2-gallon tank and drop in the 6 included ice packs for extra chill. It cools more effectively than standard fans, perfect for dry summer climates
- Energy Efficient & Hose-Free Convenience:No hoses or complicated installations—just plug it in and enjoy! Consumes only 60W for powerful cooling, saving up to 70% on electricity bills compared to traditional ACs. Ideal for use in bedrooms, living rooms, and offices
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#3
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- 3-in-1 evaporative air cooler with a water tank for enhanced cooling and an ice box for extra chill.
- Uses advanced cooling technology with high-performance motor and cooling pads, reducing temperatures by 5.4–16.2°F while consuming 65W of power.
- Portable and easy to use, requiring no installation; lightweight design with built-in handle and swivel casters for mobility.
- Large 2-gallon water tank allows for up to 20 hours of continuous cooling; automatically switches to fan mode when water is low.
- Remote control operation with a range of 16 feet; intuitive control panels for nighttime ease of use.
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- 3-in-1 evaporative air cooler with a water tank for enhanced cooling and an ice box for extra chill.
- Uses advanced cooling technology with high-performance motor and cooling pads, reducing temperatures by 5.4–16.2°F while consuming 65W of power.
- Portable and easy to use, requiring no installation; lightweight design with built-in handle and swivel casters for mobility.
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#4
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- High-performance motor with ice crystals for quick cooling and 60° airflow angle for wide coverage.
- Silent operation at ≤45dB, ideal for uninterrupted sleep and concentration, coupled with air purification to enhance air quality.
- Portable design with 4 wheels for easy movement; no installation needed for immediate cooling in various locations.
- Quality assurance with rigorous testing and a responsive customer service team for replacements within 24 hours.
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- High-performance motor with ice crystals for quick cooling and 60° airflow angle for wide coverage.
- Silent operation at ≤45dB, ideal for uninterrupted sleep and concentration, coupled with air purification to enhance air quality.
- Portable design with 4 wheels for easy movement; no installation needed for immediate cooling in various locations.
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#5
13% Off
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- Ergonomic 35-inch height allows easy access for seniors and pregnant women, equipped with a back handle for portability, ideal for small spaces.
- Two cooling modes (Cooling/Normal) and three fan speeds to cater to personal comfort needs. Offers various cooling combinations.
- Features a 1.2L removable water tank for easy cleaning and refilling, with a runtime of up to 12 hours in humidification mode.
- Dual control options (panel and remote) enhance user-friendliness with energy-efficient design consuming only 50 watts.
- 90° oscillation covers an area of up to 300 sq. ft, providing even cooling for various room sizes.
- 7-hour timer function promotes energy efficiency, while ultra-quiet operation creates a serene environment.
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- Ergonomic 35-inch height allows easy access for seniors and pregnant women, equipped with a back handle for portability, ideal for small spaces.
- Two cooling modes (Cooling/Normal) and three fan speeds to cater to personal comfort needs. Offers various cooling combinations.
- Features a 1.2L removable water tank for easy cleaning and refilling, with a runtime of up to 12 hours in humidification mode.
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#6
13% Off
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- Compact design suitable for windowless rooms like bedrooms, offices, and dorms.
- Offers 3 cooling speeds and 4 modes: Cool, Sleep, Eco, and Natural to meet various cooling needs.
- Features a 7-hour timer and remote control for convenient operation from a distance.
- Operates quietly at levels below 40dB, ideal for work, sleep, or meditation environments.
- Includes 4 ice packs for improved cooling performance in high-temperature conditions.
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- Compact design suitable for windowless rooms like bedrooms, offices, and dorms.
- Offers 3 cooling speeds and 4 modes: Cool, Sleep, Eco, and Natural to meet various cooling needs.
- Features a 7-hour timer and remote control for convenient operation from a distance.
- Operates quietly at levels below 40dB, ideal for work, sleep, or meditation environments.
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#7
10% Off
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- Powered by a 2025 motor for 1s rapid cooling and enhanced durability.
- Top-fill dual water tanks provide 24 hours of cooling with a clear water level indicator.
- Includes 4 reusable BPA-free ice packs for efficient cooling without manual filling.
- 2100 CFM airflow covers up to 700 sq ft with 70° vertical and 120° horizontal oscillation.
- 3-in-1 design functions as a fan, humidifier, and air cooler, ideal for dry conditions.
- Safety features include a bladeless design for child and pet safety, UL-listed reliability, and a 7-hour timer for energy-saving.
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- Powered by a 2025 motor for 1s rapid cooling and enhanced durability.
- Top-fill dual water tanks provide 24 hours of cooling with a clear water level indicator.
- Includes 4 reusable BPA-free ice packs for efficient cooling without manual filling.
- 2100 CFM airflow covers up to 700 sq ft with 70° vertical and 120° horizontal oscillation.
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#8
13% Off
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- ❄️【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.
- ❄️【𝟐-𝐆𝐚𝐥 𝐋𝐚𝐫𝐠𝐞𝐫 𝐖𝐚𝐭𝐞𝐫 𝐓𝐚𝐧𝐤 𝐟𝐨𝐫 𝟐𝟎𝐇 𝐂𝐨𝐨𝐥𝐢𝐧𝐠】Our portable swamp cooler boasts a larger 2-gallon water tank, providing a continuous 20 hours of cooling with just one fill. Enjoy the cool breeze without the need for constant water level checks. The bottom tank has a visible water level, allowing easy observation and timely refilling. If water runs out, unit auto-switches to fan mode, ensuring safety while keeping comfort.
- ❄️【𝟒-𝐈𝐍-𝟏 𝐄𝐯𝐚𝐩𝐨𝐫𝐚𝐭𝐢𝐯𝐞 𝐀𝐢𝐫 𝐂𝐨𝐨𝐥𝐞𝐫 𝐟𝐨𝐫 𝐃𝐫𝐲 𝐂𝐥𝐢𝐦𝐚𝐭𝐞𝐬】CENSTECH Swamp Cooler functions as an Air Cooler, Humidifier, and a Fan. Unlike conventional ACs, the evaporative air cooler provides optimal cooling and humidity, enhancing your living and work spaces without excessive drying, helping to keep skin hydrated. Tailored for areas like the Southwestern US, Texas, California, and New Mexico, where summers can be uncomfortably dry.
- ❄️【𝟐𝟎𝟐𝟓 𝐔𝐩𝐠𝐫𝐚𝐝𝐞𝐝 𝐍𝐨-𝐅𝐢𝐥𝐥 𝐈𝐜𝐞 𝐏𝐚𝐜𝐤𝐬 𝐱 𝟒】Indulge in 8 hours of non-stop cooling with our evaporative cooler's upgraded ice box. This ductless air conditioner is equipped with 4 interchangeable ice boxes, ensuring continuous cooling. No manual water addition – it's pre-filled for effortless use. What's more, our ice boxes feature polymer solidified gel for enhanced cooling and sealed openings to prevent leaks, ensuring safety, and can be reused over 1000 times.
- ❄️【𝐑𝐞𝐦𝐨𝐭𝐞 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 & 𝐓𝐨𝐩 𝐏𝐚𝐧𝐞𝐥】Our portable ac features a user-friendly control panel with clear icons. The illuminated indicator light stays on, ensuring effortless adjustments, even during nighttime settings. Enhance convenience with the included remote, allowing customization from up to 17 ft. Stay in control effortlessly, whether lounging or preparing for bed. Elevate your comfort with our smart, user-friendly air cooler!
- ❄️【𝐖𝐡𝐚𝐭 𝐘𝐨𝐮'𝐥𝐥 𝐑𝐞𝐜𝐞𝐢𝐯𝐞】Package List: 1 x Room Cooler Air Conditioner; 4 x Upgraded Ice Packs; 1x Remote Control; 4 x 360° Wheels; 1x User Manual. Have questions? Reach out anytime via Amazon or manual instructions. You Will Get the Best Solution within 24 Hours. (You'll enjoy a 𝟏-𝐲𝐞𝐚𝐫 𝐰𝐚𝐫𝐫𝐚𝐧𝐭𝐢 from the date of purchase, covering manufacturing defects only)
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- ❄️【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)
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#9
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- Combines cooling, fan, and humidifier functions for versatile comfort in dry climates.
- Compact 22-inch design with wheels for easy mobility, suitable for small spaces.
- Three adjustable speed modes (normal, natural, sleep) with a 12-hour timer for customized temperature control.
- Dual-reservoir system for easy water filling; intuitive touch panel and remote control for convenient operation.
- ETL certified with safety plugs to prevent voltage overload, plus a 12-month warranty for assured quality.
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- Combines cooling, fan, and humidifier functions for versatile comfort in dry climates.
- Compact 22-inch design with wheels for easy mobility, suitable for small spaces.
- Three adjustable speed modes (normal, natural, sleep) with a 12-hour timer for customized temperature control.
- Dual-reservoir system for easy water filling; intuitive touch panel and remote control for convenient operation.
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#10
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- Beat the Heat in Seconds: This Evaporative Air Cooler Uses Advanced Evaporative Cooling Tech to Drop Temps by 5.4–16.2°F (3–9°C) Instantly! Toss in the 4 Reusable Large-Capacity Ice Packs (Freeze ’Em, Pop ’Em In) for Max Cooling Power—Turn Stuffy Rooms into Refreshing Havens in Seconds Flat.
- Tailor Your Chill with This Swamp Cooler: 4 Modes (Cool/Natural Wind/Sleep/Normal) + 3 Speeds (Low/Medium/High) to Match Your Vibe. Blast Cool Air at 26ft/s (8m/s), with 75° Auto Left-Right Swing & 120° Manual Up-Down Tilt—Cools Bedrooms, Offices, Living Rooms Evenly, No More Hot Spots!
- Effortless Cooling with This Windowless Air Conditioner: Adjust Settings from 16ft Away with the Remote (No Couch Exit Required!). Set a 1–7 Hour Timer for Auto-Shutoff (Energy-Smart & Stress-Free). 360° Swivel Wheels + Built-In Handle—Roll It to the Bedroom, Balcony, or Any Hot Spot in Seconds!
- Whisper-Quiet Cooling: This Evaporative Cooler Runs at Just 45dB (Quieter Than a Soft Chat!)—Won’t Rattle Naps, Late Work, or Movie Nights. Sleep Mode Auto-Lowers Speed & Noise—Perfect for Babies, Light Sleepers, or Focused Work.
- Slash Bills by 70% with This Swamp Cooler Air Conditioner—Ultra-Low 65W Power (Way Cheaper Than Clunky AC Units!). The Evaporative Pad Traps Dust & Allergens, Pumping Out Fresh, Cool Air—Breathe Easier, Stay Cooler.
- 20 Hours of Uninterrupted Chill—1.6 Gallon Drawer-Style Water Tank for No-Mess Refills & Cleaning (Just Pull Open!). Clear Water Gauge Lets You Check Levels at a Glance—No Mid-Night Refill Runs, Perfect for All-Night Cooling.
- Plug In, Chill Out—No Hoses, No Window Cuts, No Tools Needed! Blade-Less Design = Kid & Pet-Safe. Backed by 1-Year Warranty + 7×24 Support (Hit Us Up Anytime via After-Sales Email—We’ve Got Your Back!).
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- Beat the Heat in Seconds: This Evaporative Air Cooler Uses Advanced Evaporative Cooling Tech to Drop Temps by 5.4–16.2°F (3–9°C) Instantly! Toss in the 4 Reusable Large-Capacity Ice Packs (Freeze ’Em, Pop ’Em In) for Max Cooling Power—Turn Stuffy Rooms into Refreshing Havens in Seconds Flat.
- Tailor Your Chill with This Swamp Cooler: 4 Modes (Cool/Natural Wind/Sleep/Normal) + 3 Speeds (Low/Medium/High) to Match Your Vibe. Blast Cool Air at 26ft/s (8m/s), with 75° Auto Left-Right Swing & 120° Manual Up-Down Tilt—Cools Bedrooms, Offices, Living Rooms Evenly, No More Hot Spots!
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![Gasbye Dual Hose Portable Air Conditioner, [2025 Upgraded] Full DC Inverter Compressor, Energy-Saving 13.6 CEER, Low Noise (45dB), Cools Room up to 500 Sq.Ft., Backlit Remote Control, 14,000BTU, Black](https://m.media-amazon.com/images/I/41DR9LjHOxL._SL320_.jpg)
![Gasbye Dual Hose Portable Air Conditioner, [2025 Upgraded] Full DC Inverter Compressor, Energy-Saving 13.6 CEER, Low Noise (45dB), Cools Room up to 500 Sq.Ft., Backlit Remote Control, 14,000BTU, Black](https://m.media-amazon.com/images/I/51WS1OyQuuL._SL320_.jpg)
![Gasbye Dual Hose Portable Air Conditioner, [2025 Upgraded] Full DC Inverter Compressor, Energy-Saving 13.6 CEER, Low Noise (45dB), Cools Room up to 500 Sq.Ft., Backlit Remote Control, 14,000BTU, Black](https://m.media-amazon.com/images/I/51UZ74DARDL._SL320_.jpg)
![Gasbye Dual Hose Portable Air Conditioner, [2025 Upgraded] Full DC Inverter Compressor, Energy-Saving 13.6 CEER, Low Noise (45dB), Cools Room up to 500 Sq.Ft., Backlit Remote Control, 14,000BTU, Black](https://m.media-amazon.com/images/I/51fT8EGhBRL._SL320_.jpg)
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