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Room Air Conditioners

10 Best Room Air Conditioners 2025 in the United States

#1

Winner

10.0 score

BLACK+DECKER Portable Air Conditioner, 10,000 BTU (6,300 BTU SACC) for Rooms up to 450 Sq. Ft., Portable AC with Follow Me Remote Control and Window Kit, BPACT10WT, White

16%OFF

BLACK+DECKER Portable Air Conditioner, 10,000 BTU (6,300 BTU SACC) for Rooms up to 450 Sq. Ft., Portable AC with Follow Me Remote Control and Window Kit, BPACT10WT, White

BLACK+DECKER

10.0 score

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The BLACK+DECKER 10,000 BTU Portable Air Conditioner is designed for rooms up to 450 sq. ft., making it a good choice for medium-sized bedrooms or living spaces. Its cooling capacity at 10,000 BTU is solid for this size, but note that the effective seasonal cooling (SACC) is lower at 5,800 BTU, which may affect efficiency in very hot conditions. The unit has a respectable Energy Star 5-star rating and a SEER of 6.7, meaning it will be reasonably energy-efficient compared to some older models, helping to keep electricity bills in check. Noise-wise, it runs at about 52 dB, which is fairly average for portable ACs—noticeable but not too disruptive during daily use or sleep.

Rating
10.0
Chosen by1,190
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
43046 reviews

Cooling Capacity (BTUs)
The unit cools medium-sized rooms quickly and maintains a comfortable temperature without running constantly, which suggests improved energy efficiency.
Energy Efficiency Ratio (EER)
The unit cools medium-sized rooms quickly and maintains a comfortable temperature without running constantly, which suggests improved energy efficiency.
Noise Level
Its noise level is low enough to allow phone conversations nearby without needing to turn it off, making it quieter than many comparable portable ACs.
Installation Type
The hose connection is exceptionally secure and locks firmly in place, eliminating common issues with hoses falling off and disrupting cooling.
Smart Features
The remote control works well but lacks backlighting, making it difficult to read in low-light conditions.
Filter Type
Overall, the unit offers solid cooling performance combined with practical features like a washable filter and a 24-hour timer, making it user-friendly and convenient.
#2
10.0 score

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

7%OFF

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

BLACK+DECKER

10.0 score

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The BLACK+DECKER Smart Portable Air Conditioner offers 12,000 BTUs of cooling power, suitable for rooms up to about 550 square feet, making it a good choice for medium-sized bedrooms or living spaces. It’s a portable unit, so you can move it around as needed without permanent installation, and it comes with a window kit for easy venting. One helpful feature is the “Follow Me” remote, which acts like a mini thermostat to keep the temperature just right where you are in the room. It also supports smart controls via an app and voice commands through Alexa or Google Assistant, which is convenient if you like smart home gadgets.

Rating
10.0
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
43046 reviews

Cooling Capacity (BTUs)
Delivers powerful cooling quickly and maintains a comfortable temperature without running constantly, which helps reduce energy consumption.
Energy Efficiency Ratio (EER)
Delivers powerful cooling quickly and maintains a comfortable temperature without running constantly, which helps reduce energy consumption.
Noise Level
Operates much quieter than previous portable AC units, allowing conversations and calls nearby without needing to turn it off.
Installation Type
The hose connection is impressively secure and easy to attach, preventing the common issue of the vent hose falling off during operation.
Smart Features
Offers a good balance of portability, smart features, and effective cooling for users comfortable with moderate noise and energy use.
#3
9.9 score

BLACK+DECKER Smart Portable Air Conditioner with Heat, 14,000 BTU (10,200 BTU SACC) Cooling, 12,000 BTU Heating for Rooms up to 700 Sq. Ft., Follow Me Remote, BPACT14HWT, White

11%OFF

BLACK+DECKER Smart Portable Air Conditioner with Heat, 14,000 BTU (10,200 BTU SACC) Cooling, 12,000 BTU Heating for Rooms up to 700 Sq. Ft., Follow Me Remote, BPACT14HWT, White

BLACK+DECKER

9.9 score

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The BLACK+DECKER Smart Portable Air Conditioner with Heat offers a versatile solution for year-round comfort. It boasts a cooling capacity of 14,000 BTU (ASHRAE) and 10,000 BTU (DOE), which is suitable for rooms up to 700 sq. ft. This makes it a solid choice if you need to cool a large space. Additionally, it provides 12,000 BTU heating, making it useful in winter as well. The unit features a 6.2 SEER rating, which is not very high, meaning it is not the most energy-efficient option available.

Rating
9.9
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
43046 reviews

Cooling Capacity (BTUs)
This unit EASILY cools the room in a few minutes and keeps it cool all day.
Energy Efficiency Ratio (EER)
Love this machine, best of the other two I owned. More efficient than previous machines.
Noise Level
Much quieter than previous units I've owned. I can still talk on the phone 5 feet away without having to first shut the unit off.

Top 10 Best Room Air Conditioners 2025 in the United States

#1

Winner

10.0  score
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BLACK+DECKER

BLACK+DECKER Portable Air Conditioner, 10,000 BTU (6,300 BTU SACC) for Rooms up to 450 Sq. Ft., Portable AC with Follow Me Remote Control and Window Kit, BPACT10WT, White

Cooling Capacity (BTUs): 10,000 BTU
Noise Level: 52 dB
Installation Type: Window kit, portable with wheels
Filter Type: Washable slide-out filter

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16% OFF

Chosen by 1190 this week

#2
10.0  score
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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

Cooling Capacity (BTUs): 12,000 BTUs
Noise Level: 52 dB
Installation Type: Portable
Smart Features: Remote, app, voice via Alexa/Google

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7% OFF
#3
9.9  score
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BLACK+DECKER

BLACK+DECKER Smart Portable Air Conditioner with Heat, 14,000 BTU (10,200 BTU SACC) Cooling, 12,000 BTU Heating for Rooms up to 700 Sq. Ft., Follow Me Remote, BPACT14HWT, White

Cooling Capacity (BTUs): 14,000 BTU (ASHRAE), 10,000 BTU (DOE)
Noise Level: 54 dB
Installation Type: Portable
Smart Features: Wi-Fi, app control, Alexa, Google Assistant

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11% OFF
#4
9.8  score
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BLACK+DECKER

BLACK+DECKER Portable Air Conditioner, 9,000 BTU (5,300 BTU SACC) for Rooms up to 400 Sq. Ft., Portable AC with Follow Me Remote Control and Window Kit, BPACT08WT, White

Cooling Capacity (BTUs): 8000
Energy Efficiency Ratio (EER): 5.4
Noise Level: 54 dB
Installation Type: Portable, vented via window kit
Smart Features: Remote Controlled, 'Follow Me'

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16% OFF
#5
9.7  score
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Midea

Midea 12,000 BTU EasyCool Window Air Conditioner, Dehumidifier and Fan - Cool, Circulate and Dehumidify up to 550 Sq. Ft., Reusable Filter, Remote Control

Cooling Capacity (BTUs): 12000 BTUs
Energy Efficiency Ratio (EER): 12
Noise Level: 55 dB
Installation Type: Window
Smart Features: None
Filter Type: Reusable filter

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9% OFF
#6
9.6  score
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Midea

Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 550 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White

Cooling Capacity (BTUs): 12000 BTUs
Noise Level: 45 dB
Installation Type: Window
Smart Features: WiFi, Remote, Alexa, Google
Filter Type: Washable front filter

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14% OFF
#7
9.5  score
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Midea

Midea 6,000 BTU Window Air Conditioner, 3-in-1 Cool/Fan/Dehumidifier Window AC Unit, Easycool Air Conditioner with Remote Control, Cools up to 250 Sq. Ft., Fits bedroom, study, office (2024 Upgrade)

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#8
9.3  score
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Hisense

Hisense WCT08W25A Window Air Conditioner, 8,000 BTU, White

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23% OFF
#9
9.2  score
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Hisense

Hisense WC08W25A Window Air Conditioner, 8,000 BTU, White

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21% OFF
#10
8.9  score
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Midea

Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office

Cooling Capacity (BTUs): 5000 BTUs
Energy Efficiency Ratio (EER): 11.0
Noise Level: 57 dB
Installation Type: Window
Filter Type: Dust Filter

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5% OFF
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Buying Guide for the Best Room Air Conditioners

Choosing the right room air conditioner can make a significant difference in your comfort and energy bills. The key is to find a unit that fits your specific needs and the size of the room you want to cool. Here are some important specifications to consider when selecting a room air conditioner.
Cooling Capacity (BTUs)Cooling capacity, measured in British Thermal Units (BTUs), indicates how much heat an air conditioner can remove from a room per hour. This is crucial because an air conditioner with too low a BTU rating will struggle to cool the room, while one with too high a BTU rating will cool the room too quickly without removing enough humidity, leading to a clammy feeling. To navigate this, consider the size of your room: for a small room (100-300 sq. ft.), 5,000-7,000 BTUs is usually sufficient; for a medium room (300-500 sq. ft.), 8,000-12,000 BTUs is appropriate; and for a large room (500-800 sq. ft.), 14,000-18,000 BTUs may be needed. Match the BTU rating to your room size for optimal comfort.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently an air conditioner uses energy to cool a room. A higher EER means better energy efficiency, which can lead to lower electricity bills. EER is calculated by dividing the BTUs by the power consumption in watts. Look for units with an EER of 10 or higher for good efficiency. If you prioritize energy savings and environmental impact, choose a model with a higher EER.
Noise LevelNoise level is an important consideration, especially if the air conditioner will be used in a bedroom or living area. Noise levels are measured in decibels (dB). Units with a noise level of 50 dB or lower are considered quiet and are suitable for bedrooms. For living rooms or other areas where noise is less of a concern, units with noise levels up to 60 dB may be acceptable. Consider where you will place the air conditioner and choose a noise level that will not disrupt your activities or sleep.
Installation TypeRoom air conditioners come in different installation types, including window-mounted, wall-mounted, and portable units. Window-mounted units are the most common and are easy to install in a standard window frame. Wall-mounted units require a more permanent installation but do not obstruct the window. Portable units can be moved from room to room but require a venting kit to expel hot air. Choose the installation type that best fits your living situation and preferences.
Smart FeaturesMany modern air conditioners come with smart features such as Wi-Fi connectivity, remote control, and programmable timers. These features allow you to control the unit remotely, set schedules, and optimize energy use. If you value convenience and want to integrate your air conditioner with other smart home devices, look for models with these advanced features. However, if you prefer simplicity, a basic model without smart features may be sufficient.
Filter TypeThe type of filter used in an air conditioner affects air quality and maintenance. Washable and reusable filters are cost-effective and environmentally friendly, as they can be cleaned and reused multiple times. Disposable filters need to be replaced regularly but may offer better filtration for allergens and dust. If you have allergies or respiratory issues, consider a unit with a high-quality filter that can capture fine particles. Otherwise, a washable filter may be more convenient and economical.

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