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24000 BTU Window Air Conditioners

Shop 24,000 BTU window air conditioners for cooling larger rooms or open living areas. Compare models by recommended room size, energy efficiency, and controls, and check window dimensions and electrical requirements to find a unit that fits your space and setup.

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  1. LG - 1,440 Sq. Ft. 23,000 BTU 230V Smart Window Air Conditioner with Supplemental Heat Function - White

    SKU: J7G5655ZYX

    Puts out great, easy to operate, price just right. Bought from the best store....A/C WORKS GREAT....Great air

    Product Description

    A smart white window air conditioner with 23,000 BTU cooling, integrated heater, app control, and washable filter.
    See all Window Air Conditioners
    Your price for this item is $799.99

  2. LG - 1,440 Sq. Ft. 23,500 BTU 230V Smart Inverter Window Air Conditioner - White

    SKU: J7G5655KSQ

    best air conditioner...this air conditioner wasnt the easiest to install but works great and gets really cold love the wifi...Great air conditioning...Very easy to install Very quiet unitGreat value Just...

    Product Description

    A white smart window air conditioner with DUAL Inverter technology, ultra-quiet operation, and app control.
    See all Window Air Conditioners
    Your price for this item is $749.99

  3. LG - 1,560 Sq. Ft. 24,500 BTU 230V Smart Window Air Conditioner - White

    SKU: J7G5655WCK

    Easy installation, works wonderfully cools four rooms of my home Great !!!! Love it...I love it....I love it. Everything included with installation was awesome

    Product Description

    A smart white window air conditioner offering app control, 24,500 BTU cooling, and voice assistant compatibility.
    See all Window Air Conditioners
    Your price for this item is $749.99

  4. LG - 1,550 Sq. Ft. 24,500 BTU 230V Window Air Conditioner - White

    SKU: J7G565546H

    Product Description

    A powerful white window air conditioner with remote control, 3 fan speeds, 4-way airflow, and washable filter.
    See all Window Air Conditioners
    Your price for this item is $812.55
    Save $0
    The previous price was $813.10

  5. Costway - 24,000 BTU Mini Split Air Conditioner AC Unit with Heat Pump & Alexa Googlehome Remote Control - White

    SKU: J9VXHT6YFR

    Product Description

    A white inverter mini split AC with heat pump, Alexa/Google compatibility, remote, and eco-friendly R32 refrigerant.
    See all Ductless Mini Splits
    Your price for this item is $1,129.99
    Save $1469
    The previous price was $2,599.98

  6. Costway - 24000 BTU Wifi Enabled Mini Split Air Conditioner & Heater with Heat Pump - Gray

    SKU: J9VXH69V2R

    Product Description

    A gray Wi-Fi enabled mini split AC and heater offers 4-in-1 climate control with ultra-quiet operation.
    See all Ductless Mini Splits
    Your price for this item is $1,239.99
    Save $1759
    The previous price was $2,999.98

  7. Costway - 24k BTU 3 Zone 7k 9k 9k BTU Mini Split Air Conditioner 23 SEER2 Wifi Enabled - White

    SKU: JJGPSHZ959

    Best Price for Performance I've found

    Product Description

    A white, WiFi-enabled mini split AC offers efficient multi-zone cooling, heating, and customizable comfort modes.
    See all Ductless Mini Splits
    Your price for this item is $1,849.99
    Save $1670
    The previous price was $3,519.99

  8. Della - Optima Ultra Heat Series 24000 BTU Mini Split AC w/Soft Airflow, 22.5 SEER2 230V,Energy Star, Heat Pump,Up to 1500 Sq.Ft - White

    SKU: JJ8Q3Z5J3S

    Product Description

    A high-efficiency white mini split AC and heat pump with Alexa control, soft airflow, and Energy Star certification.
    See all Ductless Mini Splits
    Your price for this item is $2,249.96

  9. Senville - 24000 BTU Mini Split Air Conditioner - Heat Pump - SENA/24HF - White

    SKU: J34LC3G9FZ

    Product Description

    A white mini split system offering efficient cooling, heating, quiet operation, and smart app compatibility.
    See all Ductless Mini Splits
    Your price for this item is $1,799.99

  10. Senville - 24000 BTU Mini Split Air Conditioner - Heat Pump - SENL/24CD - White

    SKU: J34LC3G94Q

    Product Description

    A white mini split system offering efficient cooling, heating, quiet operation, app control, and energy-saving features.
    See all Ductless Mini Splits
    Your price for this item is $1,249.99

  11. Costway - 24000 BTU 20 SEER2 208/230V Wifi Enabled Mini Split Air Conditioner & Heater with Installation Kit - White

    SKU: JJGPSHP35W

    Product Description

    A white, Wi-Fi enabled mini split system offering 24,000 BTU heating and cooling with app and remote control.
    See all Ductless Mini Splits
    Your price for this item is $1,059.99
    Save $849
    The previous price was $1,909.98

  12. Tosot - 24,000 BTU Mini-Split Heat Pump Air Conditioner, 230V, 19 SEER2, Wifi-Enabled Ductless Inverter, Cosmo Series - White

    SKU: J3L73Y8K8S

    Product Description

    A high-efficiency ductless heat pump with Wi-Fi control, cold-climate heating, intelligent defrost, and self-cleaning evaporator.
    See all Ductless Mini Splits
    Your price for this item is $1,399.99

  13. Tosot - 24,000 BTU Mini-Split Air Conditioner and Heating, WiFi-Enabled Ductless Inverter, 24 SEER2, 230V, Aoraki Series - Black

    SKU: J3L73Y8WTC

    Product Description

    A black WiFi-enabled ductless inverter system providing year-round heating and cooling with 24-SEER2 ENERGY STAR certification.
    See all Ductless Mini Splits
    Your price for this item is $2,199.99

  14. Winado - 38000 BTU Dual 2 Zone AC Ductless Wifi Mini Split Air Conditioner & Heat Pump 12000 + 24000 BTU Full Set- 20 SEER2 - White

    SKU: J292J3JCSH

    Product Description

    A white dual-zone mini split AC and heat pump with Wi-Fi, remote control, and energy-saving features.
    See all Ductless Mini Splits
    Your price for this item is $2,289.99
    Save $610
    The previous price was $2,899.99

  15. Gymax - 24000 BTU Mini Split Air Conditioner & Heater 21 SEER2 208-230V AC Unit - Grey, White

    SKU: CQ79S6RGL3

    Product Description

    A Wi-Fi enabled grey and white mini split AC and heater with app control, inverter technology, and quiet operation.
    See all Ductless Mini Splits
    Your price for this item is $1,239.99

  16. Winado - 38000 BTU Dual 2 Zone AC Ductless Wifi Mini Split Air Conditioner and Heating Pump 18000+ 24000 BTU Full Set- 20 SEER2 - White

    SKU: J3472VCGHY

    Product Description

    A white dual-zone ductless mini split AC and heating pump with Wi-Fi, remote, and energy-saving features.
    See all Ductless Mini Splits
    Your price for this item is $2,339.99

  17. SereneLife - 24,000 BTU Mini Split AC and Heater, 230V, WiFi, Installation Kit, Covers Up to 1,400 Sq. Ft.

    SKU: J36C986TPF

    Product Description

    A 24,000-BTU, 230V mini-split system with Wi-Fi, heating, cooling, dehumidifying modes, and included installation kit.
    See all Ductless Mini Splits
    Your price for this item is $1,079.90

  18. Della - Serena Series 22 SEER2 24000 BTU AC W/Heat 230V for Rooms up to 1500 Sq.Ft - White

    SKU: JJ8Q3ZVL7X

    Product Description

    A white, Energy Star certified mini split AC and heat pump with WiFi, voice control, and inverter technology.
    See all Ductless Mini Splits
    Your price for this item is $1,499.96

  19. Della - Vario Series 24000 BTU Mini Split AC 21 SEER2 Cools Up to 1500 Sq.Ft - White

    SKU: JJ8Q3Z4LW5

    Product Description

    A white ductless mini split AC with heat pump, app control, and dehumidification for year-round comfort.
    See all Ductless Mini Splits
    Your price for this item is $1,499.96

  20. Della - Serena Cloud Air Series 23000 BTU Mini Split Ductless AC, 22 SEER2 230V, Heat Pump - White

    SKU: JJ8Q3Z57XK

    Product Description

    A white ductless mini split AC and heat pump with 22 SEER2 efficiency, WiFi, and voice control.
    See all Ductless Mini Splits
    Your price for this item is $1,499.96

  21. Della - Vita Series 24000 BTU Mini Split Air Conditioner, Energy Efficient, 20 SEER2 230V,Cools up to 1500 Sq.Ft,2 Ton Heat Pump - White

    SKU: JJ8Q3Z57VV

    Product Description

    An energy-efficient white mini split air conditioner and heat pump with quiet operation and smart app control.
    See all Ductless Mini Splits
    Your price for this item is $1,449.96

  22. Costway - 24000 BTU Mini Split Air Conditioner & Heater Ductless 18.5 SEER2 1500 Sq. Ft - White

    SKU: JJGPSRRCHS

    Product Description

    A white inverter mini-split with heat pump, 18.5 SEER2 efficiency, washable filter, and eco-friendly R32 refrigerant.
    See all Ductless Mini Splits
    Your price for this item is $1,029.99
    Save $830
    The previous price was $1,859.99

  23. Costway - 24000 BTU 21 SEER2 208/230V Mini Split Air Conditioner & Heater with Heat Pump & Installation Kit - White

    SKU: JJGPSHP3Z8

    Product Description

    A white mini split system offering 24000 BTU cooling and heating with WiFi, remote, and voice control.
    See all Ductless Mini Splits
    Your price for this item is $1,239.99
    Save $60
    The previous price was $1,299.99

  24. Costway - 24k BTU 2 Zone 9k 18k BTU Mini Split Air Conditioner 23 SEER2 208-230V Wifi - White

    SKU: JJGPSHZ9KW

    Product Description

    A Wi-Fi enabled, energy-efficient white mini split AC offers customizable comfort with whisper-quiet operation.
    See all Ductless Mini Splits
    Your price for this item is $1,639.99
    Save $1500
    The previous price was $3,139.99
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A 24000 BTU window air conditioner offers powerful cooling for large rooms, open living areas and other spacious environments where a smaller unit may struggle to maintain a comfortable temperature. BTU, or British thermal unit, is a measure used to describe cooling capacity, and many 24,000 BTU window air conditioners are designed for spaces of approximately 1,500 square feet. Actual coverage varies by model and room conditions, so check the manufacturer’s sizing recommendations and consider ceiling height, sun exposure, insulation and the number of people using the space. Choosing the right large-room window air conditioner helps balance cooling performance, humidity control and energy use. An oversized unit can cycle off before removing enough moisture, while an undersized unit may run continuously without reaching your preferred temperature. For spaces divided by walls or closed doors, remember that airflow limitations can make it difficult for one window AC unit to cool every room evenly. Finding the best 24000 BTU window air conditioner for your space also means comparing installation requirements, efficiency ratings and everyday convenience features. Measure the window opening carefully and confirm that the window type, frame and required mounting hardware can safely accommodate the unit’s dimensions and weight. Many air conditioners in this capacity range require a dedicated 208/230-volt circuit rather than a standard 115/120-volt household outlet, so verify the specific model’s voltage, amperage and plug configuration before purchasing, and consult a qualified electrician if needed. Look for features such as adjustable fan speeds, directional airflow, a programmable timer and a washable filter to help tailor cooling and simplify routine care. Select smart window air conditioners offer Wi-Fi connectivity and app-based controls, while models with inverter technology can adjust compressor output to support steadier temperatures and potentially quieter operation. Comparing the Combined Energy Efficiency Ratio, or CEER, and checking for ENERGY STAR certification can help you identify energy-efficient window air conditioners, while the EnergyGuide label provides a useful estimate of annual operating costs under standardized conditions.

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FAQ

Depending on the model, controls may include a digital display, push buttons, a remote control, or a smartphone app. Some models also have adjustable louvers and multiple fan settings.

Some models include built-in Wi-Fi for adjusting settings, creating schedules, and checking operating status through a compatible app. Voice control may also be available through supported smart home platforms. Check the model’s specifications for compatibility details.

Common options include cool, fan-only, dry, auto, and sleep modes, though availability varies by model. Fan-only mode circulates air without running the cooling compressor, while auto and sleep modes adjust operation according to the unit’s programmed settings.

A timer typically turns the air conditioner on or off after a selected interval. A scheduling feature lets you set operating times for different days or routines, often through a connected app. Available timer and scheduling options vary by model.

Many models use a removable, washable mesh filter, while some offer additional filtration components. The owner’s manual identifies the filter type, cleaning instructions, and whether any components require replacement. Some units also include a filter-cleaning reminder.