Costway 18k Btu 2 Zone 9k 12k Btu Spli

Enjoy efficient year-round comfort with this high-performance mini split air conditioner built for multi-room temperature control. This advanced mini split works as both a powerful air conditioner and heating system, delivering stable cooling and warmth in every season. Unlike a traditional wall ac unit, this ductless mini split ac allows independent temperature adjustment in different rooms for personalized comfort. The inverter-driven split ac unit enhances energy efficiency while maintaining quiet operation. Ideal for bedrooms, living rooms, offices, and more, this flexible split unit ac and heat system provides consistent airflow, reliable performance, and space-saving installation.

Installation went well, both units are up and running. The only issue that I’m having is both units keep throwing a D2 code. If anyone knows why this may be happening I would appreciate the feedback.. Anonymous. Sun Jul 05 2026

This inverter split air conditioner is a cost-effective choice for cooling and heating. The inverter technology enables a more stable power consumption as time goes on compared to non-inverter technology. And this split AC unit features 4 operating modes (cool, dry, heat, fan) and other functions to meet your various needs, such as sleep mode, turbo mode, 24H timer, screen off function, child lock, self-cleaning and more. And the control is handy with included remote control. The package comes with the installation kit and detailed instruction. Filled with the new R32 refrigerant, the most eco-friendly choice that ensures the best air quality both indoors and outdoors. Competitors use an older refrigerant that is more harmful to the environment. If additional refrigerant needs to be added to the lines, check R32 availability at your local seller.

This ac unit was wonderful! Kept the whole house and comfortable! Heat works great too during winter!. Anonymous. Tue Aug 18 2026

This dual zone mini split AC and heat pump system features two 12000 BTU indoor units with WiFi control, 24 SEER2 efficiency, and cools up to 1500 sq. ft. Supports cool, heat, dry, fan modes with quiet operation.

Enjoy the convenience brought by our window air conditioner! With high working efficiency, this window AC unit cools down a room up to 400 sq.ft. quickly. Besides, the cool, dry, fan, auto, sleep or energy saver mode meets your needs. The dehumidification is 45 PT/D and there are 3 fan speeds. You can not only operate this 8100 BTU (12000 BTU Ashrae) window AC unit by touching the control panel, but also control it with the remote (max available distance: 16.5 ft). Additionally, you can remove and wash the filter for cleanliness. With the 24-hour timer, you can select a desired on/off time. And under the sleep mode, you can sleep well because of low noise. Coming with all required accessories, this saddle air conditioner is easy to install. Furthermore, the over-the-sill AC unit will allow you to appreciate a full window view.

This window unit was so easy to install. There was no clunky mounting since it used the windowsill as its support. It is keeping large room quite chilly when the doors are closed. I will be purchasing a second one for a separate space soon.. Collette. Austin, TX. Fri Sep 04 2026

This dual-zone mini split system delivers powerful 18000 BTU cooling and heating with 24 SEER2 efficiency, perfect for spaces up to 1000 sq ft. Featuring smart WiFi control and voice assistant compatibility, you can manage each zone independently via app or voice commands. The eco-friendly R454B refrigerant meets CARB 2025 standards, reducing environmental impact while maximizing performance. Installation is simplified with the pre-charged 16ft kit and no-drill design. Ideal for multi-generational homes, offices, or any space requiring personalized temperature control.

This dual-zone mini split system delivers powerful 18000 BTU cooling and heating with 24 SEER2 efficiency, perfect for spaces up to 1000 sq ft. Featuring smart WiFi control and voice assistant compatibility, you can manage each zone independently via app or voice commands. The eco-friendly R454B refrigerant meets CARB 2025 standards, reducing environmental impact while maximizing performance. Installation is simplified with the pre-charged 16ft kit and no-drill design. Ideal for multi-generational homes, offices, or any space requiring personalized temperature control.

This inverter split air conditioner is a cost-effective choice for cooling and heating. The inverter technology enables a more stable power consumption as time goes on compared to non-inverter technology. And this split AC unit features 4 operating modes (cool, dry, heat, fan) and other functions to meet your various needs, such as sleep mode, turbo mode, 24H timer, screen off function, child lock, self-cleaning and more. And the control is handy with included remote control. The package comes with the installation kit and detailed instruction. Filled with the new R32 refrigerant, the most eco-friendly choice that ensures the best air quality both indoors and outdoors. Competitors use an older refrigerant that is more harmful to the environment. If additional refrigerant needs to be added to the lines, check R32 availability at your local seller.

This ac unit was wonderful! Kept the whole house and comfortable! Heat works great too during winter!. Anonymous. Tue Aug 18 2026

Achieve comprehensive whole-home or multi-space climate mastery with this powerful 35,000 BTU quad-zone ductless mini split system. Featuring four equally matched 12,000 BTU wall-mounted indoor units powered by a single outdoor condenser, this configuration is designed to provide independent climate control for up to four separate areas with a combined coverage of 3,000 square feet. Whether you need to cool multiple bedrooms, maintain comfortable conditions in living areas, home offices, and additional spaces simultaneously, each zone operates autonomously to ensure personalized comfort for every occupant, in every season.Technical SpecificationsSystem Capacity: 35,000 BTU (Quad-Zone: 4 × 12,000 BTU)Coverage Area: Total combined coverage up to 3,000 sq ft (approximately 750 sq ft per zone)Efficiency Rating: 24 SEER2Technology: Advanced Inverter with High-Power Compressor, Variable Frequency Inverter TechnologyRefrigerant: Eco-Friendly R454BOperational Modes: Cooling, HeatingSpecial Functions: Auto Defrost, Self-Diagnosis, Self-Cleaning, 24-Hour Timer, 4-Way Air Swing, Sleep Mode, Silent ModeAirflow Direction: 4-Way Adjustable Air Swing for Even DistributionControl: Smartphone APP Integration, Remote Control, 24-Hour Programmable TimerInstallation: Professional installation recommendedIncluded Components1 x Outdoor Condenser Unit (35,000 BTU)4 x Indoor Air Handler Units (12,000 BTU each)4 x Remote Controls

This ductless mini-split system features two independent indoor units (9.000 BTU and 12.000 BTU) connected to one 18K BTU outdoor unit. enabling flexible. zoned climate control for up to 1.200 sq ft. Delivers rapid cooling (9K/12K BTU) and heating (10K/12.6K BTU) with AI inverter precision. reducing energy consumption by up to 35%. Offers 4 modes (Cool. Heat. Dry. Fan). WiFi/app control. voice compatibility (Alexa.  ). quiet operation (as low as 28 dB). and  /ETL/AHRI certifications. professional installation required.

Imagine walking into your living room on the hottest day of summer. and it feels like a gentle spring morning. Or waking up on a freezing winter night to a bedroom that’s perfectly warm—without the dry. dusty blast of traditional heating. That’s the everyday reality this 28K BTU dual zone mini split system brings to your home.Designed for modern American households—from renovated ranch homes to new additions. garages turned into home gyms. or multi-level townhouses—this ductless system lets you set the perfect temperature in two separate zones. independently. One zone can be cooling your home office while the other gently warms  . No more fighting over the thermostat.With a powerful 20 SEER2 efficiency rating. this unit doesn’t just make your home comfortable; it helps you save on energy bills while being kinder to the environment. The built-in WiFi and voice control mean you can adjust the temperature from the couch. your bed. or even before you leave the office. It’s comfort that fits your life—quiet. smart. and effortless.Whether you’re hosting a weekend barbecue. enjoying a movie night. or just relaxing after a long day. this mini split system works in the background. so you   notice it’s there—except for how good you feel.

Dual-Zone Independent Climate Control:Achieve personalized comfort in every room with ±1℃ precision. Perfect for multi-generational homes or shared spaces where temperature preferences vary.R454B Refrigerant for Eco-Conscious Cooling:Equipped with R454B refrigerant (GWP 466), this system reduces global warming impact by 78% compared to R410A and meets CARB 2025 compliance standards.WiFi Smart Control & Voice Integration:Remotely adjust temperatures via the TCL Home App or use voice commands with Alexa and Assistant. Schedule cooling modes for energy efficiency.24 SEER2 Ultra-High Efficiency:Save up to 40% on energy bills with industry-leading 24 SEER2 efficiency. Compatible with solar power systems for off-grid sustainability.16 ft Pre-Charged Installation Kit:No-drill design with flexible 16 ft refrigerant lines simplifies setup in apartments, condos, or rental spaces. Slim 1.2 in panels blend seamlessly into walls.

Introducing our Triple Cooling Power: You'll get 3 Air Conditioner units with 9000 BTU each! This tri-zone system delivers a total of 24,000 BTU - your perfect solution for multi-room comfort.

The 28000 BTU 3 Zone Mini Split AC/Heating System is a versatile, high-efficiency climate control solution designed to provide personalized comfort for up to three separate spaces. Equipped with a 28000 BTU outdoor condenser and three 12K BTU indoor units, it delivers balanced cooling and heating performance, making it perfect for homes, offices, or apartments where independent temperature management is needed. With no need for multiple standalone units, it saves space and reduces energy waste, catering to different comfort needs of each zone—keep one room cool while heating another effortlessly.Boasting a 20 SEER2 rating and 230V power supply, this system prioritizes energy efficiency, cutting down monthly utility bills while minimizing environmental impact. Its inverter technology adjusts compressor speed dynamically, maintaining stable temperatures without frequent on/off cycling, avoiding energy waste and temperature fluctuations. The pre-charged condenser comes factory-sealed with optimal refrigerant, simplifying installation, saving HVAC technicians’ time, and ensuring peak efficiency from the start—improper refrigerant levels that harm performance are avoided.Featuring WIFI Smart Control, you can manage the system anytime, anywhere via your smartphone or compatible smart devices. Connect to your home WIFI, adjust temperatures, switch modes (cooling, heating, fan, dehumidification), set timers, and monitor energy usage with a tap. Each 12K BTU indoor unit offers even airflow, eliminating hot/cold spots, with rapid cooling/heating modes for quick temperature adjustment.

Efficient quad zone mini split AC with WiFi control. Cools and heats up to 1400 sq ft. 19 SEER2 energy rating. Pre-charged condenser included.

This ductless mini split system delivers efficient cooling and heating for multiple rooms. Features 4 independent zones with 12K BTU indoor units, WiFi control, inverter technology, and 24 SEER2 efficiency. Perfect for homes, offices, and commercial spaces.

This smart split-type inverter air conditioner with heating function is equipped with a high-quality compressor, high-speed pure copper motor and inner spiral copper tube, delivering strong, fast cooling and heating for homes, offices, garages and apartments with quiet operation, ensuring comfortable use in summer and winter. With a high SEER rating for excellent energy efficiency and cost-saving performance, it also includes Sleep, Turbo, ECO, Mute and Timer functions for personalized comfort. This 3-zone mini split air conditioner is an ideal solution for whole-home heating and cooling needs.

Amazing! All works perfectly for the winter and the summer!. Elvis Brito. New Jersey. Mon Mar 16 2026

Our split inverter air conditioner with heat pump is a perfect addition to your home! This 12000 BTU split air conditioner can quickly cool down or warm up rooms up to 750 sq.ft, which is an ideal companion for hot summer or cold winter. Featuring an innovative inverter technology, our split AC unit can adjust the power supply frequency automatically to let you enjoy the benefit of comfort and lower energy consumption. The unit can provide strong and steady airflow to every part of your room with auto up-down swing and manual left-right swing. The air filter is easy to remove and wash, which can keep the AC unit running its best. You can adjust the working mode (auto, cool, dry, heat, fan), speed, timer, sleep mode, ECO mode or anything else by using the handy remote control. Self-clean and auto-defrost functions ensure good air quality and prolong service life. In addition, this split AC unit runs quietly, which won't disrupt your sleeping or working. And you can set the auto-off time from 0.5 to 24 hours. Filled with the new R32 refrigerant, the most eco-friendly choice that ensures the best air quality both indoors and outdoors. Competitors use an older refrigerant that is more harmful to the environment. If additional refrigerant needs to be added to the lines, check R32 availability at your local seller. Warm Notice: 1. The item comes in 2 boxes and delivery time may be different per box, please contact us if you have any questions. 2. The installation of this equipment should be done only by a Licensed HVAC Installer.

Works great! I recommend having a professional install it.. Victoria. Florida. Mon Aug 24 2026

This 3-zone mini split system features a powerful 27K BTU outdoor condenser paired with three 12,000 BTU indoor units, allowing you to independently manage the climate in three distinct rooms or zones—perfect for bedrooms, living areas, and home offices. Equipped with advanced variable-speed DC inverter technology, this system achieves a remarkable 24 SEER2 rating. Experience powerful and efficient heating even when outdoor temperatures drop as low as -4°F, thanks to the robust heat pump system. Take full control remotely via the dedicated smartphone app or included remote—program your weekly schedule with the 24-hour timer, activate ultra-quiet Sleep Mode, utilize 4-way auto-swing louvers, and enjoy maintenance-friendly functions like Auto Clean and Self-Diagnosis. Utilizing next-generation, lower-GWP R454B refrigerant, this system offers powerful performance with reduced environmental impact.

Deliver powerful, customized comfort to larger and more diverse spaces with this substantial 35,000 BTU quad-zone ductless mini split system. Featuring a strategic combination of three 9,000 BTU units for standard rooms and one 18,000 BTU air handler for larger areas, this system is engineered to meet the varied climate demands of up to four separate zones from a single outdoor condenser. Whether you need to gently cool multiple bedrooms while providing robust conditioning for a spacious living area or open-concept commercial space, each zone operates independently to deliver personalized comfort throughout your property, in every season.Technical SpecificationsSystem Capacity: 35,000 BTU (Quad-Zone: 9,000 BTU + 9,000 BTU + 9,000 BTU + 18,000 BTU)Efficiency Rating: 19 SEER2Technology: Inverter-Driven Heat PumpOperational Modes: Cooling, Heating, Dehumidification, Fan Only, TurboSpecial Functions: Auto-Defrost, 4-Way Air Swing, Sleep Mode, Mute FunctionNoise Level: 28 - 45 dBa (Indoor Units)Airflow: Multi-Directional Louvers for Even DistributionCondenser: Pre-ChargedInstallation: Professional HVAC installation required. Copper tubing and power cord not included.Included Components1 x Outdoor Condenser Unit (35,000 BTU, Pre-Charged)4 x Indoor Air Handler Units (Three 9,000 BTU + One 18,000 BTU)4 x Remote Controls4 x 16.4 ft Line SetsUnit Dimensions9,000 BTU Indoor Unit: 31.92 x 11.49 x 7.99 inches18,000 BTU Indoor Unit: 39.76 x 12.40 x 8.66 inchesOutdoor Unit: 42.3 x 18.4 x 33.6 inches

This 2-zone ceiling cassette mini split inverter heat pump system consists of one outdoor condenser paired with two indoor cassette units, delivering independent zoning cooling and heating for multiple rooms with a total coverage area up to 950 square feet. Adopting high-efficiency inverter design with 20 SEER2 performance, ultra-quiet running, multi-operation modes and triple control options including wired controller, remote control and mobile APP, it supports low ambient temperature operation, built-in dehumidification and complete installation accessories, ideal for personalized year-round climate control for residential and light commercial buildings.

This 9000 BTU ceiling cassette mini split system offers efficient year-round comfort with both cooling and heating capabilities. The ultra-quiet operation at 32 dB(A) ensures minimal noise disruption, while the 360° 8-way airflow provides balanced temperature distribution throughout your space. Featuring six fan speeds, multiple operation modes, and advanced humidity control, this energy-efficient unit with R454B refrigerant removes 1.1L of moisture per hour. The slim 9.6-inch profile seamlessly integrates into ceilings, making it perfect for offices, retail stores, classrooms, cafes, gyms, and large living areas. Complete with a 25ft installation kit, this central air solution delivers reliable performance for demanding environments.

This smart split-type inverter air conditioner with heating function is built with a high-quality compressor, high-speed pure copper motor and inner spiral copper tube, delivering powerful and fast cooling and heating performance for homes, offices, garages and apartments with quiet operation, ensuring maximum comfort in hot summers and cold winters. It features a high SEER rating for excellent energy efficiency and significant cost savings, and is equipped with Sleep, Turbo, ECO, Mute and Timer functions to provide personalized comfort. This 2-zone mini split air conditioner effectively meets all your residential cooling and heating needs.

I was missing something out of my order customer service took care of quickly. Bobby. Box Springs, GA. Tue Sep 29 2026

This 3-zone mini split system features a powerful 27K BTU outdoor condenser paired with three 12,000 BTU indoor units, allowing you to independently manage the climate in three distinct rooms or zones—perfect for bedrooms, living areas, and home offices. Equipped with advanced variable-speed DC inverter technology, this system achieves a remarkable 24 SEER2 rating. Experience powerful and efficient heating even when outdoor temperatures drop as low as -4°F, thanks to the robust heat pump system. Take full control remotely via the dedicated smartphone app or included remote—program your weekly schedule with the 24-hour timer, activate ultra-quiet Sleep Mode, utilize 4-way auto-swing louvers, and enjoy maintenance-friendly functions like Auto Clean and Self-Diagnosis. Utilizing next-generation, lower-GWP R454B refrigerant, this system offers powerful performance with reduced environmental impact.

This inverter split-type air conditioner with heating is built with a high-quality compressor, pure copper motor and inner spiral copper tube, delivering strong, fast cooling and heating for homes, offices, garages and apartments with quiet operation. It features a high SEER2 rating for excellent energy efficiency and cost savings, along with practical functions including Sleep, Turbo, ECO, Mute and 24-hour timer. This 3-zone ductless mini split system supports independent temperature control for three rooms, provides year-round comfort with multiple modes, and is an ideal solution for whole-home climate control up to 1,800 sq. ft.

This 28,000 BTU 20 SEER2 dual zone mini split system features two 12,000 BTU indoor units—independent temperature control for two rooms with a single outdoor unit. Operate each wall-mounted air conditioner individually via remote or smartphone for customized comfort in bedrooms, living rooms, or home offices. Year-round all-climate performance with auto-defrost and multiple fan speeds—reliable cooling and heating within specified temperature range. High 20 SEER2 efficiency with inverter technology reduces energy consumption while maintaining comfort. Quiet operation engineered for low noise levels with multi-directional airflow louvers for even air distribution; sleep mode for nighttime use. Complete system includes pre-charged components: two indoor units, one outdoor unit, and remote controls. Professional installation required; refrigerant line set (copper tubing) and power wiring not included—purchase separately.

This 35.000 BTU dual zone mini split system features one outdoor unit plus two 18.000 BTU indoor air handlers—covers up to 1000 sq. ft. total with independent temperature control for each zone. Ideal for bedrooms. living rooms. or home offices. 20 SEER2 high efficiency rating significantly cuts electricity bills with ECO mode. Turbo mode. and Smart Comfortable Sleep mode. Wi-Fi enabled with app and voice control (Alexa.   Assistant) plus remote—adjust settings from anywhere. 24H timer. auto-swing air vent. and vent position preset ensure even airflow. Includes 16ft copper line and full installation kit with pre-charged refrigerant. Wide operating range -13°F to 127°F for reliable extreme weather performance. Mute mode ≤40dB for quiet operation. Fire-proved electrical box. refrigerant leakage detection. and self-troubleshooting ensure safety.

This smart split-type inverter air conditioner with heating function is built with a high-quality compressor, high-speed pure copper motor and inner spiral copper tube, delivering powerful and fast cooling and heating for homes, offices, garages and apartments while operating quietly. It features a high SEER rating for excellent energy efficiency and cost savings, and is equipped with multiple practical functions to provide personalized comfort. This 2-zone mini split air conditioner is an ideal solution for all your home cooling and heating needs.

Excellent quality!!. Janaina Torres. Sat Jun 20 2026

Our portable air conditioner is not only a personal air cooler, but also a desktop fan, a dehumidifier, and a heater to provide you comfort in the hot summer and cold winter. A great option to provide a steady flow of air and distribute coolness effectively around your space! With 3 different speed settings, you can adjust the speed to keep airflow at your ideal rate. Coming with a 24H timer, this portable air conditioner is a wonderful companion for sleeping. 70° wide-angle oscillation provides you with a wide coverage of cool air and covers the whole room. Window kits are included for fast installation. With smooth wheels, the portable air conditioner unit is space-saving to a welcome addition to your living, bedroom, study, office, etc.

This 18.000 BTU 24 SEER2 dual zone mini split system features 9.000 BTU and 12.000 BTU indoor units—independent climate control for living room and bedroom up to 1.200 sq. ft. total. Delivers 30-second cooling and 60-second heating with 4-in-1 modes: Cooling. Heating. Dry. and Fan with 4-way swing for even air distribution. AI-powered inverter technology maintains temperature within ±0.1°C. reducing energy consumption by 35% compared to conventional units.  . ETL. and AHRI certified with 24 SEER2 rating for superior performance. Smart Wi-Fi and voice control via app. Alexa. and  Assistant—full-function remote with 26 ft range. Whisper-quiet operation as low as 28 dB in Sleep mode. Turbo mode at only 42 dB. Compact outdoor unit 23% smaller than standard. Professional installation recommended. Ships in 3 boxes (may arrive separately).