10 Best air conditioner for garage with no windows (2025)

• ❄️【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, California, and New Mexico, where summers can be uncomfortably dry.
• ❄️【𝟑 𝐌𝐨𝐝𝐞𝐬 & 𝟑 𝐒𝐩𝐞𝐞𝐝𝐬】With 3 fan speeds(low-12ft/s, medium-19ft/s, and high-26ft/s) delivering a cooling breeze at up to 26 ft/s. Choose from 3 modes(Normal/Sleep/Cooling): Normal for daily use, Sleep for restful nights, and Cooling for maximum cooling effect. Beat the heat effortlessly and enjoy a cool, comfortable living space with CENSTECH portable air conditioners!
• ❄️【𝐍𝐨 𝐇𝐨𝐬𝐞 & 𝐖𝐢𝐧𝐝𝐨𝐰𝐬 𝐍𝐞𝐞𝐝𝐞𝐝, 𝐏𝐥𝐮𝐠 𝐚𝐧𝐝 𝐏𝐥𝐚𝐲】No hoses, no assembly needed. CENSTECH ductless 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.
• ❄️【𝟐𝟎𝟐𝟓 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐂𝐨𝐨𝐥𝐢𝐧𝐠 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲】CENSTECH's upgraded portable air 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)
• ❄️【𝐑𝐞𝐦𝐨𝐭𝐞 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 & 𝐓𝐨𝐩 𝐏𝐚𝐧𝐞𝐥】Enjoy the cooling breeze from any corner of the room with CENSTECH evaporative cooler, featuring dual control via remote (26ft range) and touch panel. You can easily adjust the personal air conditioner from any room without standing. Its sleek, intuitive design is family-friendly for everyone. It's not just a cooler; it's a step towards smart living.

• 【14000 BTU Powerful Cooling Efficient】Humhold Powerful Portable AC unit owns a cooling capacity of 14,000 BTU(ASHRAE) / 10,000 BTU(SACC), has an most energy efficient compressor that can supply cool air to 700 square feet of large space in your living room, bedroom, apartment, home kitchen, garage, basement and office, stable and efficient way to make you feel cool all the time in the hot summer. In addition, you can maintain temperatures from 61°F to 88°F with a variety of controls, allows to customize cooling experience to your needs.
• 【3-in-1 Cooling/Dehumidify/Fan Function】 The smart portable air conditioner offers the convenience of 3-in-1 functions, including Cooling, 3-speeds Fan, and Dehumidify, which meets your daily needs. You can freely adjust the temperature in cooling mode, ranging from (61℉ to 88℉) in hot seasons. The dehumidifier capacity of 95 Pints/day can effectively reduce the humidity in small room, and as a fan to circulate indoor air at all times, removing excess moisture and releasing fresh air for a healthy and comfortable environment.
• 【Front LED Display & Remote Control】 Our self evaporating portable ac unit is equipped with an easy-to-read Front LED Display，combined with full-function remote control which has LED display and up to 23 feets control distance, you can easily set the temperature and wind speed you want while sitting on the sofa or lying on the bed, no need to get close or stand up, maximize the convenience of mobile air conditioners.
• 【No Need To Drain】With Built-in water self-evaporation system, there is no need to drain water for daily use, the water will automatically evaporate through hose. If it is placed in humid environment such as basement, laundry room, it needs to drain every 8 hours, or the machine will stop for the water tank inside is full, you need to unplug the drain plugs on the back and connect household pipe to drain, then start the machine again. The filter is design to easy disassemble without any tools and can be washed directly by water flushing.
• 【Smart & Sleep Mode with 24H Timer for Enery Saving】 Built-in internal temp-sensor, Smart Mode enables the inverter ac unit run in Cool or Fan mode based on the room temperature, Keep the room at the most comfortable temperature 73F-77F. Sleep Mode will maintain an optimal temperature in low speed, and provide you less than 48dB quiet bedroom. You can also preset to stop the ac unit after 0.5-24 hours, all these funtional modes are money-saving and let you have a suitable temperature for relaxation and good sleep in the wonderful summer.

• ❄[𝟮𝟮𝗳𝘁/𝘀 𝗔𝗶𝗿 𝗩𝗲𝗹𝗼𝗰𝗶𝘁𝘆 𝗮𝗻𝗱 𝟲𝟬° 𝗢𝘀𝗰𝗶𝗹𝗹𝗮𝘁𝗶𝗼𝗻] The 35” evaporative air cooler, with a strong airflow of 22ft/s and a 15-inch outlet, enables it to quickly cool the room. Coupled with automatic swing 60°, ensuring cool air reaches every corner of the room in the shortest time, covering up to 250sq.ft.
• ❄[𝟯-𝟭𝗡-𝟭 𝗠𝘂𝗹𝘁𝗶-𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻 𝗔𝗶𝗿 𝗰𝗼𝗼𝗹𝗲𝗿] This multi-functional portable evaporative air conditioner adapts to your needs in any weather: Fan Mode (No Water): Circulates fresh air on breezy days. Humidification Mode (Add Water): Releases fine mist to relieve dryness in winter/AC rooms. Cooling Mode (Ice Water + Ice Boxes): Lowers temperatures up to 10°F during summer heat.
• ❄[𝟳𝗛 𝘀𝗺𝗮𝗿𝘁 𝘁𝗶𝗺𝗲𝗿 𝗮𝗻𝗱 𝗹𝗼𝘄 𝗻𝗼𝗶𝘀𝗲] With 40dB low noise, sleep mode allows you to rest quietly all night without any interference. The 1-7H timer can be adjusted according to your sleep schedule, eliminating the need to get up in the middle of the night to turn off the swamp cooler air conditioner.
• ❄[𝟭𝟮𝟬𝟬𝗠𝗟 𝘄𝗮𝘁𝗲𝗿 𝘁𝗮𝗻𝗸 & 𝟯 𝗶𝗰𝗲 𝗽𝗮𝗰𝗸𝘀] The windowless air conditioner for bedroom can run continuously for 8 hours in cooling mode in the full water state. Ice boxes store sufficient cooling energy when frozen and maximize the cooling effect when placed in the tank. Moreover, you can add water directly from the top of the room air conditioner, no need to bend over, making it very convenient for elderly and pregnant women to use.
• ❄[𝗥𝗲𝗺𝗼𝘁𝗲 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 & 𝗧𝗼𝗽 𝗣𝗮𝗻𝗲𝗹] The portable ac unit for room provides dual control options. Top LED touch panel is simple and intuitive, easy to operation. Once the ductless air conditioner is turned on, all functions can be managed using the remote control(within a 20ft range). You can relax on the sofa or bed and enjoy the cool breeze.

• Convenient to Use: Easily adjust to the ideal temperature no matter where you are in the room, equipped with a smart touch screen, usages are simple and intuitive, and a compact remote control.
• Rapid Heating & Cooling: Get quick heating or cooling with our efficient air conditioner that supplies rapid and even air supply across the entire room.
• Widely Applicable: Meet your comfort needs in any situation with our heating and cooling air conditioner. Its wall-mounted and table-standing design provides versatile placement options in the living room or bedroom at home.
• Suitable Present: Ideal for men and women, this air conditioner is a good present for Thanksgiving, Christmas, or birthdays, ensuring special holiday comfort.
• Advanced Comfort adjustment: With two-speed adjustment of cooling and heating, our air conditioner prioritizes your family's physical and mental health. Its gentle breeze and silent usages mode ensure even the littlest members can sleep soundly while being comfortably cooled or warmed.

• Effortless Cooling: Achieve optimal comfort with customizable temperature settings and two fan speeds; Effortless Temperature Control helps to maintain your preset temperatures for consistent comfort
• Easy Maintenance: Keep your air conditioner running efficiently with the easy-to-clean washable filter, designed to capture dust from the air for long-lasting performance
• Undisturbed Comfort: Experience a peaceful home environment with a quiet performance at 52 dBA – ideal for bedrooms or small spaces up to 250 sq. ft.
• Effortless Convenience: Benefit from the Auto Restart feature, which automatically restores the unit's previous settings once power is restored to the window air conditioner
• Hassle-Free Operation: The extra-long three-prong power cord eliminates the need for extension cords, while the adjustable side panels easily extend to best fit your window, ensuring a secure installation with optimal efficiency and airflow

• ❄️【𝟑-𝐈𝐍-𝟏 𝐇𝐢𝐠𝐡 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲】The air cooler integrates useful functions you want. It can blow cold air as a Fan & Air Conditioner & Air Cooler. Double cooling effect: If there is no water in the water tank, the fan will be an ordinary air cooler.
• ❄️【𝐒𝐚𝐯𝐢𝐧𝐠 𝐁𝐮𝐝𝐠𝐞 & 𝐒𝐩𝐚𝐜𝐞-𝐒𝐚𝐯𝐢𝐧𝐠】 Compared with traditional air conditioners: No hoses on windows or walls and no installation required. It’s only 65W, it can save a lot of electricity bills, no need to pay for installation and high maintenance costs.The bottom area is: 12.6*12.6 inch, 9.2 pounds, is the good choice for saving space. The Built-in handle allows you to easily move it to everywhere.
• ❄️【𝟏𝟐𝐇 𝐒𝐦𝐚𝐫𝐭 𝐓𝐢𝐦𝐞𝐫 & 𝟕𝟎° 𝐎𝐬𝐜𝐢𝐥𝐥𝐚𝐭𝐢𝐧𝐠】 1-12 hours timer, which can be customized to set the working time of 1-12H for time freedom. In addition, the low-noise configuration allows you to sleep with the breeze at night without feeling noisy. 70° wide-angle range of oscillation, the cooling space can reach 300SQ.FT, and avoid direct blowing, which is conducive to covering every corner of your room with cold air in the maximum time, so you can use it in your bedroom, living room or office and quickly feel the presence of cold wind without any restrictions.
• ❄️【𝟐.𝟓𝐋 𝐖𝐚𝐭𝐞𝐫 𝐓𝐚𝐧𝐤 & 𝟒 𝐈𝐜𝐞 𝐁𝐨𝐱𝐞𝐬】The water pump pumps up the water from the water tank and flows behind the water curtain. The blown wind carries water vapor, which is combined with ice packs and turn the "cool" function on, then cooling effect will be enhanced, and the wind will be warm and moist without drying out. It can work for nearly 10 hours with full water and don't worry if there is no water in the tank, it will keep blowing cold wind. No need to waste too much time and energy on water tank, just rinse the built-in fiber curtain with water!
• ❄️【𝟑 𝐒𝐩𝐞𝐞𝐝𝐬 & 𝟐 𝐌𝐨𝐝𝐞𝐬】 3 wind speeds: low/middle/high, 3 speeds for you to adjust. 2 wind modes: Normal, Natural modes. You can choose the mode that suits you based on your preference and comfort level.

This 14,000 BTU Portable Air Conditioner Cools Up to 700 Sq.Ft, 3-IN-1 Energy Efficient Portable AC Unit with Remote Control & Installation Kits for Large Room, Campervan, Office, Temporary Space is a top choice in . Customers appreciate its quality, performance, and value.

• 𝗚𝗼 𝗕𝗶𝗴 𝗼𝗻 𝗖𝗼𝗼𝗹𝗶𝗻𝗴 𝗣𝗼𝘄𝗲𝗿: The DREO AC515S portable air conditioner brings massive 12,000 BTU ASHRAE cooling capacity that reaches up to 16 ft. Helping you keep the comfortable temp in the sweltering summer. Additionally, you can keep the temperature between 65°F to 86°F using various controls to tailor the cooling to your preferences
• 𝟯-𝗶𝗻-𝟭 𝗠𝗼𝗱𝗲 𝘄𝗶𝘁𝗵 𝗙𝗮𝗻 & 𝗗𝗲𝗵𝘂𝗺𝗶𝗱𝗶𝗳𝗶𝗲𝗿: Get more control of the way you cool thanks to the 3-in-1 mode including settings for cooling, dehumidifying and fan control in one, finding the ideal comfort setting is easier than ever with the DREO room air conditioner
• 𝗜𝘀𝗼𝗹𝗮𝘁𝗲 𝗡𝗼𝗶𝘀𝗲, 𝗔𝗺𝗽𝗹𝗶𝗳𝘆 𝗖𝗼𝗺𝗳𝗼𝗿𝘁: Featuring a new noise isolation system around the compresor, this portable air conditioners reduces noise down to a minimum 46dB, making it ideal for quiet places like bedrooms and offices
• 𝗗𝗿𝗮𝗶𝗻𝗮𝗴𝗲-𝗳𝗿𝗲𝗲 𝗶𝗻 𝗽𝗼𝘄𝗲𝗿𝗳𝘂𝗹 𝗰𝗼𝗼𝗹𝗶𝗻𝗴 𝘄𝗵𝗲𝗻 𝘁𝗵𝗲 𝗵𝘂𝗺𝗶𝗱𝗶𝗳𝘆 𝘂𝗻𝗱𝗲𝗿 𝟴𝟱%: Bring uninterrupted cold air to your room, thanks to DREO's new AC unit design, a dedicated condenser and water pump helps transfer excess water and reduces the need for drainage compared to traditional floor air conditioners
• 𝗦𝗺𝗮𝗿𝘁 𝗖𝗼𝗼𝗹𝗶𝗻𝗴 𝗮𝘁 𝗬𝗼𝘂𝗿 𝗙𝗶𝗻𝗴𝗲𝗿𝘁𝗶𝗽𝘀: Use your favorite voice assistant (compatible with Amazon Alexa or Google Home) or the fully-featured Dreo App to control every aspect of your cooling experience, from multiple modes to fan speeds, timers and schedules, this standing AC has it all

• ❄️【𝟑-𝐈𝐍-𝟏 𝐄𝐯𝐚𝐩𝐨𝐫𝐚𝐭𝐢𝐯𝐞 𝐀𝐢𝐫 𝐂𝐨𝐨𝐥𝐞𝐫】Experience versatile cooling with the COOLECH evaporative air cooler. Offering 3 cooling options, it functions as a fan, a humidifier, and an air cooler, providing customizable cooling that suits your preferences. Unlike traditional ACs that exacerbate dryness, this portable ac adds moisture to the air, alleviating dryness and enhancing comfort. Ideal for dry areas like the Southwestern US, where summers can be uncomfortably dry.
• ❄️【𝐖𝐚𝐭𝐞𝐫𝐥𝐞𝐬𝐬 𝐀𝐥𝐞𝐫𝐭 𝐒𝐲𝐬𝐭𝐞𝐦 𝐟𝐨𝐫 𝐒𝐞𝐜𝐮𝐫𝐞 𝐂𝐨𝐨𝐥𝐢𝐧𝐠】Equipped with a waterless warning system, the swamp cooler air conditioner will beep to remind you in time when the water level is running low, preventing the risk of damage and ensuring safe operation. Plus, it seamlessly switches to Natural Wind Mode once the water is depleted, ensuring uninterrupted comfort and restful sleep. With this added safety measure, you can enjoy a gentle breeze without any concerns.
• ❄️【𝟒 𝐌𝐨𝐝𝐞𝐬 & 𝟑 𝐒𝐩𝐞𝐞𝐝𝐬 𝐟𝐨𝐫 𝐂𝐮𝐬𝐭𝐨𝐦𝐢𝐳𝐞 𝐘𝐨𝐮𝐫 𝐂𝐥𝐢𝐦𝐚𝐭𝐞】Choose from 4 modes (Normal/Natural/Sleep/Cooling) and 3 wind speeds (Low-13 ft/s, Medium-18 ft/s, High-22 ft/s) to create 12 unique cooling combinations. With a maximum airflow speed of 22ft/s, our portable air conditioners provide the ultimate cooling power. Say goodbye to discomfort and hello to a comfortable environment with COOLECH innovative air cooler for room.
• ❄️【𝟐𝟎𝟐𝟓 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐂𝐨𝐨𝐥𝐢𝐧𝐠 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲】COOLECH's upgraded portable swamp cooler utilizes the 2025 latest cooling technology: high-performance motor, innovative air duct design, and high-density cooling pad, quickly reduces ambient temp by 36-49°F by converting water into an icy 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.)
• ❄️【𝐒𝐦𝐚𝐫𝐭 𝟏𝟐-𝐇𝐨𝐮𝐫 𝐓𝐢𝐦𝐞𝐫 & 𝐔𝐥𝐭𝐫𝐚-𝐐𝐮𝐢𝐞𝐭 𝐚𝐭 𝟒𝟎𝐝𝐁】Set it and forget it. Thanks to the convenient 12-hour timer function of the COOLECH portable air conditioner, you can enjoy a gentle breeze while sleeping. It will auto-turn off after your preset duration, ensuring energy saving. What truly stands out is its ultra-quiet operation at just 40 dB. Experience uninterrupted relaxation, work, or sleep without any disturbing noise with our portable air cooler.

• 【3-In-1 Versatility with Child Lock】 Our portable air conditioners fan combines a fan, air cooler, and humidifier, suitable for any room, regardless of windows, and ready to use without installation. The added child lock feature enhances safety; when activated, it disables all other buttons until the child lock is pressed again, ensuring the safety of children at home
• 【3 Speeds and 4 Modes】The swamp cooler offers 3 wind speeds and 4 modes - Normal, Sleep, Natural, and Cooling Modes, tailored to your preferences. Normal mode delivers steady airflow, natural mode simulates varying wind intensities, and sleep mode gradually decreases speed
• 【Convenient Operation and Control】With a noise level of 36-56db, it offers remote and touch control options. The easy-to-use remote control allows effortless operation within 120° of the air cooling fan display, eliminating the need to leave your bed or couch. With multiple fan speed settings, you can choose the airflow to suit your needs, enjoying a personalized comfort experience
• 【Innovative Top Water Tank Convenience】Evaporative air cooler with wheels features a washable water tank, enhancing water recycling and offering prolonged cool air. When ice packs and ice water are not added, it cools like a normal fan.With a 1.98-gal combined capacity and visible water level indicator, along with 4 ice packs, it provides up to 2-4 hours of cooling.The remote control and top touch design is convenient for the elderly and pregnant women, with no bending required
• 【Effortless Maintenance & Exceptional Portability】Our windowless portable air conditioner combines portability with user-friendly maintenance. Easily detach the rear grille, water tanks, and wheels for hassle-free cleaning. Whether moving from kitchen to living room or from bedroom to outdoor camping (adapter required), its four gliding casters and built-in handle make it a breeze