10 Best Portable Air Conditioners 300w of 2025

Tested and Reviewed: Top 10 Portable Air Conditioners 300w deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

DREO

DREO Portable Air Conditioners, 8000 BTU ASHRAE (5000 BTU DOE) Smart AC Unit for Bedroom with Drainage-free Cooling, 45dB Quiet, APP/Voice/Remote, Portable AC for Room Indoors, AC318S

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Editor's bottom line:

“This portable air conditioners 300w is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

: Increase coverage up to 14 ft. away with this 8000 BTU ASHRAE (5000 BTU SACC) portable air conditioners and its best buddy, the fan, giving you instant chills even in hot summer days. Additionally, you can keep the temperature between 61°F to 86°F using various controls to tailor the cooling to your preferences.
-- : You can not only choose from Cool/Fan/Dry modes, but the AC318S also has three functions to control within each mode, making it perfect for all scenarios. Stay dry and comfortable with DREO AC unit powerful dehumidification!
' : reduces the standing ac compressor and turbulence noise to just 45dB, ideal for bedtime or working environments without interruptions.
- : This self evaporating portable ac equipped with DREO's patented algorithm, sensors and pump evaporate excess water automatically eliminating the need for drainage in environments under 90% humidity. A drain hose (included) is required for environments with humidity above 90%.
: Control this smart ac unit for bedroom with your voice using Siri, Amazon Alexa and Google Home, or tailor your cooling experience by monitoring temp, humidity and customizing your sleep curve function through the DREO app.

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Picked by 397 people today

9.5

EUHOMY

EUHOMY Portable Air Conditioners 10,000 BTU, 4 in 1 Air Conditioner Portable Up to 450 Sq.Ft with Cool, Fan, Dehumidifier, Sleep, Portable AC Unit with LED Remote & 24H Timer, Installation Kits

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Main Highlights

, . : EUHOMY portable air conditioner delivers strong and fast cooling with 400 CFM airflow and a wide temperature range of 6086°F (1630°C). Our ac unit for bedroom can quickly remove heat and keeps rooms cool and comfortableideal for bedrooms, living rooms, dorms, home gyms, and garages
-- - , , & : This portable ac unit combines cooling, dehumidifying, fan, and sleep modes in one machine. Cooling mode offers precise temperature control, dehumidifier removes up to 95 pints per day (with dual drain ports for continuous drainage), fan mode provides low/high airflow, and sleep mode runs quietly with display lights off for uninterrupted rest
( .): Designed for hassle-free setup, this air conditioner portable includes a complete window kit for 2050 inch sliding and double-hung windows. No professional installation required for this small portable air conditionersimply attach the exhaust hose, plug it in, and enjoy instant cooling within minutes.
- & - : This 10,000 BTU(ASHRAE) / 6,000 BTU(SACC) portable ac features an intelligent energy-saving function that automatically pauses operation when the room reaches the set temperature, helping reduce power consumption. The built-in 24-hour timer lets you customize on/off schedules for personalized comfort and lower energy bills
- : Enjoy flexible operation with this portable ac units for rooms, featuring both an intuitive top control panel and an LED remote with up to 23 ft (7 m) range. Easily adjust temperature, switch modes, and toggle between °F and °C from anywhere in the room
, & - : Built for convenience, this portable ac units design includes smooth-rolling caster wheels and hidden handles for easy movement between rooms. This indoor air conditioner comes with step-by-step installation video guidance and a 1-year warrantyour customer support team is always ready to help

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9.5

MEPTY

MEPTY Swamp Cooler, Windowless Portable Air Conditioners with Oscillation, Evaporative Air Cooler with Remote,12H Timer, Air Cooler Fan with 3Modes&Speeds for Bedroom Indoor Room

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Main Highlights

NO HOSE or WINDOW NEEDED, PLUG and PLAY: no hoses, no assembly needed. MEPTY ductless aiir conditioner can be used after being unpacked. Unlike traditional wall-mounted ACs, our windowless air conditioner operates at only 60W, reducing installation and maintenance costs while reducing electricity usage by up to 60%. Plus, the easy-to-clean removable cooling pad simplifies maintenance
3-IN-1 AIR COOLER - Evaporative air cooler combines a fan, air cooler, and humidifier into one device, with multiple speed settings so you can adjust the airflow to your liking. The fan is relatively quiet, even on the highest setting, making it perfect for use
Remote Control Panel & Top - You can use the included remote control to change device settings without getting out of bed in the middle of the night when it gets cold. You will sleep better, and knowing that you will not be injured in the dark, seeking controls is a relief for your family. Plus, the top control panel easily switches between manual and remote control with just a touch for a perfect cooling experience, anytime, anywhere. And easy-to-understand icons make it easy for seniors to use
12H TIMER & ULTRA QUIET 45dB - With a 12-hour smart timer, MEPTY portable cooler automatically shuts off to save energy and reduce bills. Operates at only 45dB, the ultra-quiet portable room air conditioner ensures a peaceful environment that won't disrupt work, study or sleep
2026 ADVANCED COOLING TECHNOLOGY - MEPTY upgraded portable air cooler uses the latest cooling technology of 2026: high-performance motor, innovative air duct design and high-density cooling pad. Tip: enhance the cooling effect by adding frozen ice packs to the water tank

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9.2

BLACK+DECKER

BLACK+DECKER Portable Air Conditioner, 8,500 BTU (5,100 BTU SACC) for Rooms Up To 350 Sq. Ft., Portable AC with Full Function Remote Control & Window Kit, BPACT05SM, White

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Main Highlights

Three-in-One AC Unit: Our 8,500 BTU (5,100 BTU SACC) portable air conditioner combines an air conditioner, dehumidifier and fan for all your cooling & ventilation needs in rooms up to 350 sq. ft.
For Small Rooms & Living Spaces: Our room air conditioners provide fast, effective cooling for up to 350 sq. ft., making it ideal for dorms, apartments, cabins, offices, bedrooms, or living rooms
User-Friendly Controls: Featuring a top-mounted control panel with LED display, this ac unit for bedroom allows you to easily manage your indoor air conditioner settings for personalized comfort
Full Function Remote Control: Our portable AC unit comes with a convenient remote control that allows you to control all the features without having to get up and use the control panel
Eco-Friendly: Utilizing R-32 refrigerant, this air conditioner portable unit is environmentally friendly and improves energy efficiency making it one of the best portable room ac units available

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9.0

DOMANKI

Inverter 16000 BTU Portable Air Conditioner, 3 in 1 Portable Ac Unit Cools Up for Rooms 850 Sq. Ft, Dual Hose Standing AC for Bedrooms with Dehumidifier, Fan, Quiet Sleep Mode, Remote Control

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Main Highlights

Efficient Inverter Tech, 40% Energy Saved This 16,000 BTU ASHRAE (12,000 BTU SACC), DOE ETL certified powerful portable air conditioner utilizes an innovative inverter technology that saves up to 40% of electricity and increases the lifespan of the unit versus standard portable ac units. Its inverter compressor can adjust operating speed to achieve efficient cooling while maintaining stable room temperature and reducing energy consumption. And with maximum air speeds up to 470m³/h, the energy efficient portable ac inverter can set room temperatures from 61°F to 86°F in mins for rooms up to 850 Sq.Ft.such as boats, temporary spaces, flats, offices, and even entire rooms or large bedrooms
Auto Evaporation & Dual Hose DesignThe indoor air conditioner upgrades the original condensate evaporation system to automatically discharge condensate in 85% of the environments; Additionally, its dual-duct design not only efficiently brings in fresh air and exhausts heat, but also creates balanced room circulation that prevents outdoor heat from seeping inresulting in more effective cooling and lower energy consumption
4 Smart ModesThe inverter room air conditioner features 4 distinct modes: Cool, Dry (Dehumidify), Fan, and Auto. In addition, the air conditioner portable is equipped with humidity settings, 4 available fan speeds (low/medium/high/auto), auto swing (15-75° Wide-angle), sleep mode (42dB), 24-hour timer, child lock, and turbo function to meet various needs
Remote Control & Smart SensorsThe portable ac units for rooms features an LED display and comes with a full-function remote control with an operational range of up to 25 feet, allowing you to comfortably operate the portable air conditioners from your couch or bed. It is also equipped with 360° caster wheels and a built-in carry handle for easy movement between rooms. Additionally, it includes a removable and washable filter to ensure optimal indoor air quality for you and your family. The Remote control requires 2pcs AAA 1.5V dry batteries (package not included).
42dB Quite Sleep Mode & 24H TimerThis portable air conditioner utilizes the latest dual-motor inverter technology and noise-reduction design. In Sleep Mode, it automatically lowers fan speed, adjusts to the ideal temperature using built-in sensors and smart automation, and dims the display panelall while operating at a quiet volume as low as 42 dB(A). Additionally, the inverter freestanding portable ac unit flexible 0.5 to 24-hour timer allows customized on/off scheduling, and when paired with the remote controls soft backlit screen, it ensures a comfortable and quiet sleep environment while saving even more energy
Easy InstallationMeasuring 14" W × 27" H × 16.5" D, this portable air conditioners comes with a complete adjustable window installation kit compatible with both vertical and horizontal sliding windows. The portable air conditioners for bedroom can be easily installed in your home or apartment windows (fits standard windows up to 60 inches wide) without requiring any drilling into the window frame

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8.8

Shinco

Shinco 8,000 BTU Portable Air Conditioner, AC Unit with Built-in Cool, Dehumidifier & Fan Modes for Room up to 350 sq.ft, Conditioner Remote Control, 24 Hour Timer, Installation Kit

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Main Highlights

OUTSTANDING COOLING ABILITY- Shinco powerful ac unit owns a cooling capacity of 8,000 BTU(ASHRAE) / 4,550 BTU(SACC), making it perfect for cooling small to medium-sized spaces up to 200sq.ft with ease and making you can enjoy a comfortable and refreshing environment even in the hottest summer days. The adjustable temperature range of 60-86 allows you to customize your cooling experience to your liking
3-in-1 FUNCTION- This portable ac unit is designed with a 3-in-1 function that allows you to choose between cool, fan, and dry modes depending on your needs, making it a smart choice for any season. The dehumidification capacity can be up to 19.2L/day without bucket by self-evaporating operation. You can choose between the 2 fan speeds with 200m³/h air flow to get a comfortable feeling
QUICK INSTALLATION- Installation is quick and easy with the included exhaust hose and window sealing kit, no extra tools are needed for assembly. Put the sealing kit on the sliding window, and connect the machine and the sealing kit with the 59" telescopic hose, the hot air will be exhausted through the hose during machine operation
EASY-TO-USE- With its compact size and 4 casters, this portable air conditioner can be easily moved from room to room. The ac unit features an LED display and a remote control with a 23ft(max) range, so you can conveniently adjust the settings from across the room. Moreover, you can adjust the direction of air outlet grille by yourself to meet your needs
SLEEP MODE & 24 HOURS TIMER- In sleep mode, the fan speed will be in low mode automatically to reduce the noise to below 55dB, and the target temperature will automatically increase by 1.8 every two hours from the initial target temperature. It also has a 24-hour timer that enables you to set it to turn on or off at specific times, ensuring you always have a comfortable environment when you need it

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8.6

BLACK+DECKER

BLACK+DECKER 8,000 BTU Portable Air Conditioner with Wifi & Remote Control, 3-1-in AC, Fan & Dehumidifier, with App, Alexa & Google Assistant, Window Kit

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Main Highlights

Portable AC: This BLACK+DECKER 8,000 BTU (ASHRAE 128) portable ac unit is also as a fan and dehumidifier. Our 8000 btu air conditioner keeps any room breezy and comfortable with easy installation.
Smart Device: When it comes to portable wifi ACs, fans and dehumidifiers, our Wifi AC Unit (12.95" x 12.56" × 26.7") works with a special app for iOS and Android, Alexa and Google Assistant.
Features: This smart home portable ac wifi (46.2 lbs.) has 2 cooling and 2 fan speeds, auto water evaporation, a 24-hour timer, electronic controls with digital display and casters for easy mobility.
Filter & Louvers: This wifi portable air conditioner has a removable and washable filter, in addition to adjustable louvers (up + down) for optimal air flow cooling.
Window Kit & Remote: Our BLACK+DECKER 3 in 1 portable air conditioner has a fully functional remote control to manage your settings anywhere, along with a window kit for streamlined installation.

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8.3

BLACK+DECKER

BLACK+DECKER Portable Air Conditioner, 12,000 BTU (8,000 BTU SACC) for Rooms up to 550 Sq. Ft., Portable AC with Follow Me Remote Control and Window Kit, BPACT12WT, White

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Main Highlights

Three-in-One Unit: Our 12,000 BTU air conditioner also functions as a dehumidifier & fan. This portable air conditioner has a full function remote control & top mounted control panel with LED display
Portable AC: Take this personal air conditioner (16.5 x 11.7 x 27.9) in rooms up to 550 sq. ft. Stay cool in the hot summer months and sleep well with this BLACK+DECKER ac unit for bedroom
Smart AC with Voice Control: This smart air conditioner allows Wi-Fi connectivity and can be controlled using our mobile app available on iOS and Google Play stores, and voice controlled by Amazon Alexa or Google Assistant
Follow Me Remote: Our portable AC unit comes with a full function remote control that features a FOLLOW ME function, which allows the remote to act as a thermostat for precise temperature control
Installation Kit: When it comes to fans that blow cold air, this indoor ac unit includes an easy-to-install window kit. A large, vented airflow outlet ushers in cool air

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8.1

COSTWAY

COSTWAY Portable Air Conditioner, 8000 BTU Portable AC Unit with Fan & Dehumidifier, Smart Sleep Mode, 24H Timer, Auto Swing & Window Installation Kit, Cools up to 250 Sq.Ft (8000 BTU)

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Main Highlights

Year-Round Comfort Options:Users can choose from auto, cool, dehumidify, and fan modes according to personal needs. And this portable AC will bring you a peaceful sleep at night with smart sleep mode (auto maintain an optimal set temp in low speed) and 1-24H timer.
Efficient & Stable Performance:With this 8000 BTU portable AC unit, you will experience efficient cooling in rooms up to 250 sq.ft, suitable for living room, bedroom and kitchen. The wide oscillation with 120° auto and 120° manual swing promotes air circulation and helps cool every corner in your space.
Customized Comfort at Your Fingertips:This floor air conditioner with dual control allows you to adjust settings easily using the LED touch panel or the included remote control. The unique color-changing atmosphere light makes it an eye-catching addition to any space.
Easy to Use, Move & Store:Equipped with 2 built-in handles and 4 universal wheels, this portable AC unit offers hassle-free movement around your space. And the drainage is easy by connecting the drain hose to the bottom drainage hole (drain hose included). The removable and washable filters simplify regular maintenance.
Easy & Flexible Installation:Designed with user-friendly features, this portable AC unit is easy and quick to set up with the included window kit and detailed instructions. Compatible window types: double/single-hung windows and sliding/ slash windows.

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8.1

KEGIAN

KEGIAN Windowless Portable Air Conditioners, 41" Cooling Fans that Blow Cold Air, Evaporative Air Cooler with 4Modes & 3Speeds, 12H Timer, Remote, 120° Oscillation, Tower Swamp Cooler for Bedroom

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Main Highlights

3-in-1 Cooling: Fan, Humidifier & ACThe KEGIAN 3-in-1 evaporative air cooler combines a cooling fan, a humidifier, and a portable air conditioner. It delivers versatile cooling wind and moisture for dry rooms, operating quietly to maintain a peaceful environmentideal as a quiet air cooler for room use.
Turbo Cooling: 2026 Motor & 500 CFMExperience rapid cooling with the 2026 upgraded copper motor, delivering 27 Ft/s wind speeds and 500 CFM airflow. This KEGIAN swamp cooler acts as powerful portable ac units for rooms, quickly converting hot air into a cooling sensation without the noise or cost of traditional AC.
Library-Quiet Sleep Mode & Custom AirflowEnjoy perfect peace with a dedicated Sleep Mode that runs at a whisper-quiet 32dB, ensuring undisturbed rest. Customize your comfort with 4 modes and 3 speeds, supported by 120° wide oscillation for even, quiet cooling across 350 sq. ft. a true windowless air conditioner for bedroom and office.
All-Day Cooling: 1.3-Gal Tank & Ice BoxesDesigned for uninterrupted comfort, this portable air cooler features a 1.3-Gal tank and 4 ice boxes for 12-24 hours of sustained cooling (*68-90°F). The ergonomic 40-inch height and removable parts make maintenance simple, ensuring a steady supply of cool air with minimal operational noise.
Plug-&-Play: Smart, 80W Energy SavingControl this no-hassle portable ac via smart panel or remote. Its 80-watt energy-efficient design and optimized motor provide powerful indoor swamp cooler performance while operating at low noise, making it a quiet, economical alternative to loud, bulky air conditionersno installation needed.

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Our Best Overall Choice

Best Choice

9.7

DREO

DREO Portable Air Conditioners, 8000 BTU ASHRAE (5000 BTU DOE) Smart AC Unit for Bedroom with Drainage-free Cooling, 45dB Quiet, APP/Voice/Remote, Portable AC for Room Indoors, AC318S

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

: Increase coverage up to 14 ft. away with this 8000 BTU ASHRAE (5000 BTU SACC) portable air conditioners and its best buddy, the fan, giving you instant chills even in hot summer days. Additionally, you can keep the temperature between 61°F to 86°F using various controls to tailor the cooling to your preferences.
-- : You can not only choose from Cool/Fan/Dry modes, but the AC318S also has three functions to control within each mode, making it perfect for all scenarios. Stay dry and comfortable with DREO AC unit powerful dehumidification!
' : reduces the standing ac compressor and turbulence noise to just 45dB, ideal for bedtime or working environments without interruptions.
- : This self evaporating portable ac equipped with DREO's patented algorithm, sensors and pump evaporate excess water automatically eliminating the need for drainage in environments under 90% humidity. A drain hose (included) is required for environments with humidity above 90%.
: Control this smart ac unit for bedroom with your voice using Siri, Amazon Alexa and Google Home, or tailor your cooling experience by monitoring temp, humidity and customizing your sleep curve function through the DREO app.

Show Price

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