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10 Best Air Conditioners For 1000 Square Feet 2025 in the United States

#1

Winner

9.8 score

LG 18,000 BTU Window Air Conditioner, 230/208V, Cools 1,000 Sq.Ft. (25' x 40' Room Size), Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White

LG 18,000 BTU Window Air Conditioner, 230/208V, Cools 1,000 Sq.Ft. (25' x 40' Room Size), Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White

LG

9.8 score

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The LG 18,000 BTU Window Air Conditioner is a solid choice for cooling a 1,000 square foot area. Its powerful cooling capacity makes it well-suited for larger rooms, ensuring that spaces up to 25' x 40' remain comfortable even during hot weather. With 3 cooling and fan speeds, the unit offers flexibility in adjusting airflow and temperature to suit your preferences. The Auto Cool feature, along with the 4-way air deflection, helps in distributing air evenly throughout the room.

Rating
9.8
Chosen by1,432
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Levels

Most important from
17139 reviews

Cooling Capacity (BTU)
The LG 18,000 BTU Window Air Conditioner performs very well, fitting tightly into the window frame and sealing properly on all sides.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Despite some issues during shipping, the unit was replaced quickly and has been working efficiently, providing good value for the price.
Noise Levels
Although the unit is relatively quiet, comparable to the sound of a window box fan, the compressor operates at a slightly higher pitch but remains manageable.
Additional Features
The inclined cooling grill effectively directs cool air towards the ceiling, reducing hot air pockets and ensuring even cooling throughout the room.
#2
9.6 score

BLACK+DECKER Window or Through The Wall Air Conditioner 18000 BTU, AC Window Unit Cools Up to 1000 Square Feet, Window AC Unit with Remote Control, 3 Cooling Speeds and Fan Only, BD18WT6, White

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BLACK+DECKER Window or Through The Wall Air Conditioner 18000 BTU, AC Window Unit Cools Up to 1000 Square Feet, Window AC Unit with Remote Control, 3 Cooling Speeds and Fan Only, BD18WT6, White

BLACK+DECKER

9.6 score

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The BLACK+DECKER 18000 BTU window air conditioner is designed to cool spaces up to 1000 square feet, making it suitable for larger rooms, apartments, or office areas. With a strong cooling capacity, it offers four different fan speeds including an auto mode that helps maintain a comfortable temperature efficiently. The unit has a decent energy efficiency rating (SEER of 11.8), which means it won't be too costly to run compared to less efficient models, though it doesn't have a formal BEE star rating. Noise level sits at 54.5 dB, which is moderate—you’ll notice it running, but it’s not overly loud for a unit of this size.

Rating
9.6
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Levels

Most important from
1534 reviews

Cooling Capacity (BTU)
Delivers powerful, icy cold air that cools spaces effectively, even larger areas beyond its rated capacity.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Offers efficient cooling that can reduce energy bills compared to central air conditioning.
Noise Levels
Runs quietly with a low, barely noticeable sound, making it comfortable for extended use.
Additional Features
Installation is straightforward and manageable, providing convenience without professional help in many cases.
#3
9.4 score

LG 18,000 BTU DUAL Inverter Smart Window Air Conditioner, 230V, Cools 1,000 Sq. Ft. for Bedroom, Living Room, Apartment, Ultra Quiet Operation, ENERGY STAR®, with LG ThinQ, Amazon Alexa & Hey Google

5%OFF

LG 18,000 BTU DUAL Inverter Smart Window Air Conditioner, 230V, Cools 1,000 Sq. Ft. for Bedroom, Living Room, Apartment, Ultra Quiet Operation, ENERGY STAR®, with LG ThinQ, Amazon Alexa & Hey Google

LG

9.4 score

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The LG 18,000 BTU DUAL Inverter Smart Window Air Conditioner is designed to cool spaces up to 1,000 square feet, making it suitable for large rooms, apartments, or combined areas. Its standout feature is the smart control capability via the LG ThinQ App, which allows remote operation through a smartphone, Google Assistant, or Amazon Alexa. This convenience is particularly useful for adjusting settings on the go or maintaining an optimal indoor environment effortlessly.

Rating
9.4
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Levels

Most important from
1169 reviews

Cooling Capacity (BTU)
The air conditioner cools spaces quickly and maintains low temperatures efficiently, even in extreme heat conditions.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Energy efficiency is impressive, with low electric bills even in high-temperature regions like Texas.
Noise Levels
The unit's fan turns on every three minutes to sample the air, which can be slightly distracting at first but is generally quite quiet.
Additional Features
The smart control features via the wifi connection and app control from anywhere are a huge bonus.

Top 10 Best Air Conditioners For 1000 Square Feet 2025 in the United States

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Slide 1

Garvee

Garvee 6000 BTU Window Air Conditioner - High-Efficiency Cooling Small Window Air Conditioner with Remote Control and Washable Filter, Quiet Operation, Cooling Up to 269 Square Feet, 115V/60Hz

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#1

Winner

9.8  score
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LG

LG 18,000 BTU Window Air Conditioner, 230/208V, Cools 1,000 Sq.Ft. (25' x 40' Room Size), Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White

Cooling Capacity (BTU): 18000
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER): SEER: 10.3
Type of Air Conditioner: Window
Noise Levels: 61 dB
Additional Features: Filter Light, Energy Efficient, 4 Way

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Chosen by 1432 this week

Sponsored

Slide 1

Garvee

Garvee 6000 BTU Window Air Conditioner - High-Efficiency Cooling Small Window Air Conditioner with Remote Control and Washable Filter, Quiet Operation, Cooling Up to 269 Square Feet, 115V/60Hz

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#2
9.6  score
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BLACK+DECKER

BLACK+DECKER Window or Through The Wall Air Conditioner 18000 BTU, AC Window Unit Cools Up to 1000 Square Feet, Window AC Unit with Remote Control, 3 Cooling Speeds and Fan Only, BD18WT6, White

Cooling Capacity (BTU): 18000 BTU
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER): SEER: 11.8
Type of Air Conditioner: Window air conditioner
Noise Levels: 54.5 dB
Additional Features: Remote, energy efficient, 4 fan speeds

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12% OFF
#3
9.4  score
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LG

LG 18,000 BTU DUAL Inverter Smart Window Air Conditioner, 230V, Cools 1,000 Sq. Ft. for Bedroom, Living Room, Apartment, Ultra Quiet Operation, ENERGY STAR®, with LG ThinQ, Amazon Alexa & Hey Google

Cooling Capacity (BTU): 18000
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER): 11.3 SEER
Type of Air Conditioner: Window
Noise Levels: 44 dB
Additional Features: Remote Controlled, Inverter Compressor, WiFi

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5% OFF
#4
9.1  score
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Della

DELLA Motto Series 18000 BTU Wifi Enabled Mini Split 19 SEER2 Cools Up to 1000 Sq.Ft, 208-230V, Works with Alexa, Air Conditioner & Heater with Pre-Charged Heat Pump

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#5
8.9  score
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Whirlpool

Whirlpool WHAW242CW 24,000 BTU Air Conditioner with Dehumidifier, 230V, Window AC for Extra Large 1500 Sq. Ft, Bedroom, Living Room, or Apartment, with Remote, 3 Speeds, and 24H Timer, Bright White

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#6
8.6  score
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LG

LG LW1823HRSM - Room Air Conditioners with Heating Cooling

Cooling Capacity (BTU): 18000
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER): SEER: 11.1
Type of Air Conditioner: Window
Noise Levels: 57 dB
Additional Features: WiFi, Heating, Cooling, Dehumidifier

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#7
8.3  score
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Whirlpool

Whirlpool 18,000 BTU 230V Window Air Conditioner with Supplemental Heat, Window Mounted AC Unit with Heater for Apartment, Living Room, Bedroom, Large Rooms up to 1000 Square Feet

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#8
8.0  score
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Pioneer

Pioneer Diamante Series Ductless Mini-Split Air Conditioner Inverter Heat Pump Full Set with 16 Ft. Kit

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#9
7.7  score
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LG

LG 18,000 BTU Window Air Conditioner with Heat, 230/208V, Cools 1,000 Sq.Ft. for Bedroom, Living Room, Basement, Apartment, with Remote, 2 Speeds, 24-Hour Timer, White

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#10
7.5  score
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Senville

Senville 36000 BTU Quad Zone Mini Split Air Conditioner Heat Pump, 3 Ton, 4 Zone, Works with Alexa, White

Cooling Capacity (BTU): 36000 BTU
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER): 22.5
Type of Air Conditioner: Mini-Split, Split System
Noise Levels: 23.5 dB
Additional Features: Alexa Enabled, Heat Pump

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Buying Guide for the Best Air Conditioners For 1000 Square Feet

Choosing the right air conditioner for a 1000 square feet space involves understanding several key specifications that will ensure you get the best performance and efficiency for your needs. It's important to consider factors such as cooling capacity, energy efficiency, type of air conditioner, noise levels, and additional features. By understanding these specifications, you can make an informed decision that will keep your space comfortable and your energy bills manageable.
Cooling Capacity (BTU)Cooling capacity, measured in British Thermal Units (BTU), indicates how much heat an air conditioner can remove from a room per hour. For a 1000 square feet space, you typically need an air conditioner with a cooling capacity of around 18,000 to 22,000 BTU. If the space has high ceilings, large windows, or gets a lot of sunlight, you might need a higher BTU rating. Conversely, if the space is well-insulated and shaded, a lower BTU rating might suffice. Choosing the right BTU ensures efficient cooling without overworking the unit.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)Energy efficiency is crucial for keeping operating costs low. The Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER) measure how efficiently an air conditioner uses electricity. A higher EER or SEER rating means better energy efficiency. For a 1000 square feet space, look for units with a SEER rating of at least 14 or higher. This will ensure that you get the most cooling for the least amount of energy, saving you money on your utility bills.
Type of Air ConditionerThere are several types of air conditioners to consider: window units, portable units, split systems, and central air conditioning. Window units are easy to install and suitable for single rooms. Portable units offer flexibility but may be less efficient. Split systems provide efficient cooling for larger areas and are quieter. Central air conditioning is ideal for cooling an entire home but requires ductwork. For a 1000 square feet space, a split system or a high-capacity window unit might be the best choice, depending on your specific needs and existing infrastructure.
Noise LevelsNoise levels, measured in decibels (dB), can significantly impact your comfort, especially if the air conditioner is in a living or sleeping area. Quieter units typically have noise levels below 50 dB. If you are sensitive to noise or plan to use the air conditioner in a bedroom or office, look for models with lower noise ratings. Higher noise levels might be acceptable in less frequently used areas or where background noise is not a concern.
Additional FeaturesModern air conditioners come with various additional features that can enhance convenience and comfort. Features like programmable thermostats, remote controls, sleep modes, and energy-saving settings can make operation easier and more efficient. Some units also offer smart connectivity, allowing you to control the air conditioner via a smartphone app. Consider which features are important to you and will improve your overall experience with the air conditioner.

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