5 Best Portable Air Conditioner for 300 Square Feet [In 2025]

When the temperatures rise, having a reliable and efficient portable air conditioner can make all the difference in keeping your home or office comfortable. In this comprehensive review, we’ll explore some of the top portable air conditioners designed for spaces up to 300 square feet.

Portable air conditioners offer a flexible and convenient solution for cooling specific areas without the need for permanent installation. They are particularly useful for rooms or spaces that may not have access to central air conditioning or where a window unit is not feasible. These compact, self-contained units can be easily moved from one room to another, providing on-demand cooling wherever you need it most.

5 Best Portable Air Conditioner for 300 Square Feet Reviews

LG 7,000 BTU Portable Air Conditioner

Specs:

– Cooling capacity: 7,000 BTU
– Recommended room size: Up to 300 sq. ft.
– Dimensions: 16.1 x 13.8 x 27.6 inches
– Weight: 47.4 lbs
– Noise level: 53 dB

Pros:

– Powerful cooling performance for small to medium-sized rooms
– Quiet operation for comfortable use
– Includes a remote control for easy adjustments
– Automatic restart feature after power outages
– Washable air filter for easy maintenance

Cons:

– Some users report issues with water leakage
– May not be suitable for larger spaces beyond 300 sq. ft.

TOSOT 9,700 BTU Portable Air Conditioner

Specs:

– Cooling capacity: 9,700 BTU
– Recommended room size: Up to 300 sq. ft.
– Dimensions: 11.8 x 15.4 x 30.4 inches
– Weight: 54 lbs
– Noise level: N/A

Pros:

– Powerful cooling for medium-sized rooms
– Includes dehumidifier and fan functions
– Wi-Fi connectivity for remote control and scheduling
– Reusable air filter for easy maintenance
– Comes with a window installation kit for easy setup

Cons:

– Some users report issues with the Wi-Fi connectivity
– Slightly louder operation compared to some other models

8,000 BTU Portable Air Conditioner

Specs:

– Cooling capacity: 8,000 BTU
– Recommended room size: Up to 350 sq. ft.
– Dimensions: 15.15 x 13.46 x 34.84 inches
– Weight: N/A
– Noise level: N/A

Pros:

– Provides effective cooling for medium to large rooms
– Includes dehumidifier and fan modes
– Automatic evaporation system to reduce water drainage
– Easy installation with included window kit
– 24-hour timer for convenient scheduling

Cons:

– Some users report inconsistent cooling performance
– Noise level may be higher than some other models

SereneLife 8,000 BTU Portable Air Conditioner

Specs:

– Cooling capacity: 8,000 BTU
– Recommended room size: Up to 350 sq. ft.
– Dimensions: 15.7 x 13.8 x 27.2 inches
– Weight: 51.1 lbs
– Noise level: N/A

Pros:

– Powerful cooling performance for medium-sized rooms
– Includes dehumidifier and fan functions
– Wi-Fi connectivity for remote control and app integration
– Comes with a window installation kit for easy setup
– Sleek and compact design

Cons:

– Some users report issues with the Wi-Fi connectivity
– Noise level may be higher than some other models

Windowless Portable Air Conditioner

Specs:

– Cooling type: Evaporative
– Recommended room size: Up to 350 sq. ft.
– Dimensions: 15.15 x 13.46 x 34.84 inches
– Weight: N/A
– Noise level: 46 dB

Pros:

– No window installation required, making it versatile
– Includes fan, cooling, and dehumidifier modes
– Large 2-gallon water tank for up to 20 hours of operation
– Quiet operation at just 46 dB
– Includes a remote control for easy adjustments

Cons:

– May not provide as powerful cooling as traditional portable ACs
– Evaporative cooling may not be as effective in very humid environments
– Some users report inconsistent cooling performance

Buying Guide

When choosing the best portable air conditioner for a 300 square foot space, consider the following factors:

Cooling Capacity

– Look for a unit with a cooling capacity of at least 7,000 BTU to effectively cool a 300 sq. ft. space.
– Higher BTU ratings (up to around 9,700 BTU) can provide more powerful cooling for larger rooms.
– Ensure the unit is rated for the appropriate room size.

Features

– Look for features like remote control, timer, dehumidifier, and fan modes for added convenience and versatility.
– Wi-Fi connectivity and app integration can allow for remote control and scheduling.
– Automatic restart after power outages and self-evaporating systems can be helpful.

Noise Level

– Consider the noise level, measured in decibels (dB), to ensure the unit won’t be too disruptive.
– Aim for a noise level below 55 dB for a more peaceful environment.

Portability

– Look for units with casters or wheels for easy mobility, allowing you to move the air conditioner to different rooms as needed.
– Lightweight designs, typically under 60 lbs, can make the unit easier to transport.

Installation

– Ensure the unit comes with a window installation kit for easy setup.
– Windowless or hose-free models can provide more flexibility in placement, but may not be as effective as traditional portable ACs.

FAQ

1. What is the recommended BTU for a 300 square foot room?
2. Can a portable air conditioner be used in a room without a window?
3. How much electricity do portable air conditioners typically use?
4. How often do I need to clean the air filter on a portable AC?
5. Can I use a portable air conditioner in the winter for heating?

Conclusion

Choosing the best portable air conditioner for a 300 square foot space requires considering factors like cooling capacity, features, noise level, portability, and installation requirements. The models reviewed in this guide offer a range of options to suit different needs and budgets, providing effective cooling and versatility for your home or office. By carefully evaluating your specific requirements and the features of each unit, you can find the perfect portable air conditioner to keep you comfortable all season long.