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10 Best Smallest Portable Ac Units 2025 in the United States
#1
Winner
BLACK+DECKER Smart Portable Air Conditioner, 14,000 BTU for Rooms up to 700 Sq. Ft., Smart Portable AC with Follow Me Remote and Window Kit, BPACT14WT, White
The BLACK+DECKER Smart Portable Air Conditioner is a versatile option for cooling rooms up to 700 sq. ft. with its 14,000 BTU ASHRAE 128 (10,000 BTU DOE) cooling power. One of its key strengths is its portability, with dimensions of 16.5” x 14.06” x 27.09”, making it relatively easy to move between rooms.
Rating
10.0
Chosen by1,412
BTU (British Thermal Units)
Energy Efficiency Ratio (EER)
Noise Level
Most important from
50153 reviews
#2
BLACK+DECKER 10,000 BTU Portable Air Conditioner for Rooms up to 450 Sq. with Remote Control, White
The BLACK+DECKER Portable Air Conditioner, with 10,000 BTU ASHRAE (6,300 BTU DOE), is a versatile unit suitable for cooling rooms up to 450 square feet. Its size (15.3” x 14” x 24.8”) and portability, aided by casters and side handles, make it easy to move around.
Rating
10.0
BTU (British Thermal Units)
Noise Level
Ventilation and Exhaust
Most important from
50153 reviews
#3
SereneLife Small Air Conditioner Portable 12,000 BTU with Built-in Dehumidifier + Heat - Portable AC unit for rooms up to 550 sq ft - Remote Control, Window Mount Exhaust Kit
The SereneLife Small Portable Air Conditioner offers a cooling capacity of 12,000 BTU, which is suitable for rooms up to 550 sq ft. This makes it quite powerful for its size and ideal for medium to large spaces. Its compact dimensions (13.4 x 17.4 x 32.1 inches) and weight (70.3 pounds) ensure it remains portable despite the higher cooling power, aided by the rolling wheels.
Rating
9.7
BTU (British Thermal Units)
Size and Weight
Noise Level
Most important from
24443 reviews
Top 10 Best Smallest Portable Ac Units 2025 in the United States
#1
Winner
10.0 score
BLACK+DECKER Smart Portable Air Conditioner, 14,000 BTU for Rooms up to 700 Sq. Ft., Smart Portable AC with Follow Me Remote and Window Kit, BPACT14WT, White
BLACK+DECKER Smart Portable Air Conditioner, 14,000 BTU for Rooms up to 700 Sq. Ft., Smart Portable AC with Follow Me Remote and Window Kit, BPACT14WT, White
BTU (British Thermal Units): 14,000 BTU
Size and Weight: 16.5” x 14.06” x 27.09”, 62.4 lbs
Noise Level: 54 dB
Ventilation and Exhaust: Air exhaust hose, adapters, drain hose
Additional Features: remote_control, Wi-Fi, dehumidifier, fan
Chosen by 1412 this week
BLACK+DECKER 10,000 BTU Portable Air Conditioner for Rooms up to 450 Sq. with Remote Control, White
BLACK+DECKER 10,000 BTU Portable Air Conditioner for Rooms up to 450 Sq. with Remote Control, White
BTU (British Thermal Units): 10,000 BTU
Size and Weight: 15.3” x 14” x 24.8”
Noise Level: 52 dB
Additional Features: 3-in-1: AC/Dehumidifier/Fan, Remote Control
SereneLife Small Air Conditioner Portable 12,000 BTU with Built-in Dehumidifier + Heat - Portable AC unit for rooms up to 550 sq ft - Remote Control, Window Mount Exhaust Kit
SereneLife Small Air Conditioner Portable 12,000 BTU with Built-in Dehumidifier + Heat - Portable AC unit for rooms up to 550 sq ft - Remote Control, Window Mount Exhaust Kit
BTU (British Thermal Units): 12000
Size and Weight: 13.4 x 17.4 x 32.1 inches
Noise Level: 56 to 59 dBa
Ventilation and Exhaust: Window mount kit
Additional Features: Portable, Heater, Remote control
SereneLife Small Air Conditioner Portable 14,000 BTU with Built-in Dehumidifier - Portable AC unit for rooms up to 650 sq ft - Remote Control, Window Mount Exhaust Kit
SereneLife Small Air Conditioner Portable 14,000 BTU with Built-in Dehumidifier - Portable AC unit for rooms up to 650 sq ft - Remote Control, Window Mount Exhaust Kit
BTU (British Thermal Units): 14000
Size and Weight: 32"D x 18.5"W x 15.4"H
Noise Level: 57 dBa
Ventilation and Exhaust: Window mount exhaust kit
Additional Features: Portable, Remote control, 3-in-1, 24-hour timer, auto-swing, LED display, push button, removable filter
Whynter Portable Air Conditioner 14,000 BTU with Dual Hose Dehumidifier & Cooling Fan for 500 Sq Ft Rooms, Includes AC Unit Window Kit, ARC-14S (9,500 SACC)
Whynter Portable Air Conditioner 14,000 BTU with Dual Hose Dehumidifier & Cooling Fan for 500 Sq Ft Rooms, Includes AC Unit Window Kit, ARC-14S (9,500 SACC)
BTU (British Thermal Units): 14000
Size and Weight: 19"D x 16"W x 35.5"H, 73 lbs
Energy Efficiency Ratio (EER): 7.69
Noise Level: 51 dB
Ventilation and Exhaust: Dual Hose
Additional Features: Carbon filter, dehumidifier, remote
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Buying Guide for the Best Smallest Portable Ac Units
When looking for the smallest portable AC unit, it's important to consider several key specifications to ensure you get the best fit for your needs. Portable AC units are great for cooling small spaces and can be moved from room to room. However, their effectiveness and convenience can vary based on several factors. Here are the key specs you should consider and how to navigate them to find the right unit for you.BTU (British Thermal Units)BTU measures the cooling capacity of an AC unit. The higher the BTU, the more powerful the unit is at cooling larger spaces. For small portable AC units, you typically find BTUs ranging from 5,000 to 10,000. If you need to cool a small room (up to 150 square feet), a unit with around 5,000-6,000 BTUs should suffice. For slightly larger rooms (up to 300 square feet), look for units with 7,000-10,000 BTUs. Choose based on the size of the room you need to cool.
Size and WeightThe physical size and weight of the unit are crucial for portability. Smaller units are easier to move around and store when not in use. Look for units that are compact and lightweight, typically under 50 pounds. If you plan to move the unit frequently, prioritize models with built-in handles and caster wheels for easier transportation.
Energy Efficiency Ratio (EER)EER indicates how efficiently the AC unit uses energy to cool a room. A higher EER means better energy efficiency, which can save you money on electricity bills. For small portable AC units, an EER of 8 or higher is considered good. If you are environmentally conscious or want to reduce energy costs, look for units with higher EER ratings.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the unit will be when operating. Lower dB levels mean quieter operation, which is important if you plan to use the unit in a bedroom or office. Small portable AC units typically range from 50 to 60 dB. If you are sensitive to noise or need a quiet environment, look for units on the lower end of this range.
Ventilation and ExhaustPortable AC units need to vent hot air outside, usually through a window. The ease of setting up the ventilation system can vary. Look for units with a simple and adjustable window kit that fits your window type. If you have non-standard windows, ensure the unit's exhaust system is compatible or can be adapted.
Additional FeaturesAdditional features can enhance the convenience and functionality of the unit. Look for features like a programmable timer, remote control, multiple fan speeds, and dehumidifier mode. These can provide more control over the cooling process and improve overall comfort. Choose features based on your specific needs and preferences.