Best Split-System Air Conditioners in 2025

Updated on June 2025
#1
Free Shipping
  • Della 2 Zone 18000 BTU/h mini split air conditioner offers energy-efficient cooling and heating with a SEER2 rating of 20 and DC Inverter technology, ensuring up to 30% power savings. Note that it does not have a functional self-cleaning option despite display indications.
  • Equipped with two 12,000 BTU indoor air handlers for separate temperature control, allowing customized climate settings in multiple rooms.
  • Effective coverage for areas up to 1100 Sq. Ft, with optimal performance in temperatures as low as 5°F. Includes 16ft copper pipes and installation kits for convenience.
  • Features advanced functions such as 4D airflow, multiple fan speeds, eco energy-saving mode, and a 24-hour timer, providing versatile operation for cooling, heating, and drying.
  • Operates quietly at 41 dBa and provides balanced airflow throughout the room. Professional installation is required, including line-set vacuuming and potential adjustments to freon levels.
Read More
  • Della 2 Zone 18000 BTU/h mini split air conditioner offers energy-efficient cooling and heating with a SEER2 rating of 20 and DC Inverter technology, ensuring up to 30% power savings. Note that it does not have a functional self-cleaning option despite display indications.
  • Equipped with two 12,000 BTU indoor air handlers for separate temperature control, allowing customized climate settings in multiple rooms.
  • Effective coverage for areas up to 1100 Sq. Ft, with optimal performance in temperatures as low as 5°F. Includes 16ft copper pipes and installation kits for convenience.
  • Features advanced functions such as 4D airflow, multiple fan speeds, eco energy-saving mode, and a 24-hour timer, providing versatile operation for cooling, heating, and drying.
  • Operates quietly at 41 dBa and provides balanced airflow throughout the room. Professional installation is required, including line-set vacuuming and potential adjustments to freon levels.
Read More
#2
Value for Money
Free Shipping
  • Della 2 Zone 18000 BTU/h, 20 SEER2 air conditioner offers energy-efficient cooling with up to 30% power savings using DC Inverter technology; supports heating down to -4℉/-20℃ without a self-cleaning function.
  • Includes two 9,000 BTU indoor air handlers with separate controllers, allowing for personalized temperature settings in individual rooms.
  • Covers up to 800 Sq. Ft with heating and cooling capabilities; each indoor unit is recommended for areas up to 400 Sq. Ft. Includes two 16ft copper pipes and installation kits.
  • Equipped with smart functions such as 4D airflow, I feel mode, 24-hour timer, sleep mode, eco mode, multiple fan speeds, and various operational modes for comfort.
  • Operates quietly at just 41 dBa and provides uniform airflow. Professional installation is required, and line-set vacuuming is necessary during setup.
Read More
  • Della 2 Zone 18000 BTU/h, 20 SEER2 air conditioner offers energy-efficient cooling with up to 30% power savings using DC Inverter technology; supports heating down to -4℉/-20℃ without a self-cleaning function.
  • Includes two 9,000 BTU indoor air handlers with separate controllers, allowing for personalized temperature settings in individual rooms.
  • Covers up to 800 Sq. Ft with heating and cooling capabilities; each indoor unit is recommended for areas up to 400 Sq. Ft. Includes two 16ft copper pipes and installation kits.
  • Equipped with smart functions such as 4D airflow, I feel mode, 24-hour timer, sleep mode, eco mode, multiple fan speeds, and various operational modes for comfort.
  • Operates quietly at just 41 dBa and provides uniform airflow. Professional installation is required, and line-set vacuuming is necessary during setup.
Read More
#3
Free Shipping
  • 18000 BTU/h air conditioner with 19 SEER2 rating for energy efficiency and significant power savings.
  • Suitable for cooling and heating areas up to 1000 Sq. Ft and operates in temperatures as low as 19°F, using eco-friendly R32 refrigerant.
  • Equipped with smart features including 4D airflow, a 24-hour timer, sleep mode, multiple fan speeds, and various operational modes for enhanced comfort.
  • Smart sensor technology for precise temperature control using the remote, requiring professional installation due to specific setup needs.
  • Operates quietly at 47 dBa, providing balanced airflow and rapid temperature adjustments between 60-90°F.
Read More
  • 18000 BTU/h air conditioner with 19 SEER2 rating for energy efficiency and significant power savings.
  • Suitable for cooling and heating areas up to 1000 Sq. Ft and operates in temperatures as low as 19°F, using eco-friendly R32 refrigerant.
  • Equipped with smart features including 4D airflow, a 24-hour timer, sleep mode, multiple fan speeds, and various operational modes for enhanced comfort.
  • Smart sensor technology for precise temperature control using the remote, requiring professional installation due to specific setup needs.
  • Operates quietly at 47 dBa, providing balanced airflow and rapid temperature adjustments between 60-90°F.
Read More
#4
Free Shipping
  • Equipped with a high-power compressor and 1-ton heat pump, this AC unit provides efficient cooling and heating for year-round comfort. Its inverter technology helps reduce power consumption and extends equipment life by minimizing compressor cycling.
  • This 12000 BTU split-system AC offers 5 operational modes: auto, cool, dry, heat, and fan. It includes 4 fan speeds and additional features like sleep mode, ECO mode, iFEEL, and turbo function to cater to various climate control needs.
  • The remote control allows easy operation from a distance, supported by a smart timer for 0.5-24 hours. Its low-noise performance promotes a quiet environment, and the display automatically turns off after 10 seconds to avoid disturbing sleep.
  • Features a self-cleaning function and washable filter to maintain air quality. The outdoor unit includes an auto-defrost function to enhance energy efficiency and protect against damage.
  • The unit comes with a 5-year parts replacement warranty and 8 years of compressor coverage, ensuring long-term reliability. Installation should be performed by a licensed HVAC installer.
  • Uses advanced R32 refrigerant for eco-friendliness, in contrast to competitors using less eco-conscious refrigerants. Availability of R32 should be confirmed with local vendors for any necessary refills.
Read More
  • Equipped with a high-power compressor and 1-ton heat pump, this AC unit provides efficient cooling and heating for year-round comfort. Its inverter technology helps reduce power consumption and extends equipment life by minimizing compressor cycling.
  • This 12000 BTU split-system AC offers 5 operational modes: auto, cool, dry, heat, and fan. It includes 4 fan speeds and additional features like sleep mode, ECO mode, iFEEL, and turbo function to cater to various climate control needs.
  • The remote control allows easy operation from a distance, supported by a smart timer for 0.5-24 hours. Its low-noise performance promotes a quiet environment, and the display automatically turns off after 10 seconds to avoid disturbing sleep.
  • Features a self-cleaning function and washable filter to maintain air quality. The outdoor unit includes an auto-defrost function to enhance energy efficiency and protect against damage.
  • The unit comes with a 5-year parts replacement warranty and 8 years of compressor coverage, ensuring long-term reliability. Installation should be performed by a licensed HVAC installer.
  • Uses advanced R32 refrigerant for eco-friendliness, in contrast to competitors using less eco-conscious refrigerants. Availability of R32 should be confirmed with local vendors for any necessary refills.
Read More
#5
50% Off
Free Shipping
  • Rapid cooling and heating capabilities, cooling a room in 30 seconds and heating in 60 seconds, suitable for areas up to 750 sq. ft.
  • Features advanced inverter technology with a 17 SEER 2 rating for high energy efficiency, uses R32 refrigerant to reduce environmental impact and energy costs.
  • Offers five operational modes and four fan speed settings, including Turbo mode for quick temperature changes, ECO mode for energy saving, and Sleep/Silent modes for quiet operation.
  • Equipped with self-cleaning and automatic defrost functions to maintain efficiency even in temperatures as low as -4℉, ensuring reliable performance year-round.
  • AHRI certified for reliability, meeting top industry standards for performance and energy efficiency.
  • Ships in two packages; professional installation is recommended for optimal functionality.
Read More
  • Rapid cooling and heating capabilities, cooling a room in 30 seconds and heating in 60 seconds, suitable for areas up to 750 sq. ft.
  • Features advanced inverter technology with a 17 SEER 2 rating for high energy efficiency, uses R32 refrigerant to reduce environmental impact and energy costs.
  • Offers five operational modes and four fan speed settings, including Turbo mode for quick temperature changes, ECO mode for energy saving, and Sleep/Silent modes for quiet operation.
  • Equipped with self-cleaning and automatic defrost functions to maintain efficiency even in temperatures as low as -4℉, ensuring reliable performance year-round.
  • AHRI certified for reliability, meeting top industry standards for performance and energy efficiency.
  • Ships in two packages; professional installation is recommended for optimal functionality.
Read More
#6
Free Shipping
  • Energy Efficient Cooling & Heating: The mini split air conditioner is equipped with a high-power compressor and heat pump; Innovative inverter technology ensures optimal performance with 25% energy savings; Covers 1500 square feet, ideal for bedrooms, living rooms, garages, RVs, basements, commercial applications, and more; Our mini split AC is ETL and AHRI certified, guaranteeing reliability and energy efficiency
  • Five Modes for Split AC Unit: Experience personalized comfort with five modes, including Cool, Fan, Dry, Heat, and Auto, The backlit LCD remote controller allows effortless system control. Enjoy year-round comfort with cooling, heating, and dehumidification capabilities,WiFi-enabled and Googlee-compatible Automatic defrosting, self-diagnosis/cleaning, iFEEL mode, 24-hour timer, sleep mode, energy-saving mode, "HEALTH" mode (negative ions, electrostatic dust , PM2 removal )
  • Built for Any Weather : The mini split ac/heating system is designed to perform in various environments,wide range of working environment temperature , all-weather response, -20℃ (-4℉)low temperature startup, 60 ℃(140℉ )high temperature also do,stable operation ,and anti-dead wind design; Providing optimal performance in every season, reaching a maximum airflow distance of 50 feet, creating a 4D air circulation within the room
  • Easy Control & Quiet Operation:The handy remote control enables you to control this mini split AC unit from your comfortable bed or sofa conveniently. The smart 0.5-24 hour timer and low-noise operation(41 db)ensure a peaceful sleep time. What's more, the display screen on the remote control will be turned off automatically when there is no operation within 10s, which will not disturb your sleep.
  • Installation Package: Our ac mini split system comes with 1 x Outdoor Unit, 1 x Indoor Unit , 1 x13 ft Copper Connection Pipe - Air Pipe, 1 x 13 ft Copper Connection Pipe - Liquid Pipe , 1 x 6.5 ft Drain Hose, 1 x 13 ft Communication Wires, 1 x Remote Control,1 x User Guide (Excluding shut off valves housing and side protection grille); While the air filter is washable and easy to clean; Professional installation is required for this system. Note: Ships in 2 packages, may arrive separately
Read More
  • Energy Efficient Cooling & Heating: The mini split air conditioner is equipped with a high-power compressor and heat pump; Innovative inverter technology ensures optimal performance with 25% energy savings; Covers 1500 square feet, ideal for bedrooms, living rooms, garages, RVs, basements, commercial applications, and more; Our mini split AC is ETL and AHRI certified, guaranteeing reliability and energy efficiency
  • Five Modes for Split AC Unit: Experience personalized comfort with five modes, including Cool, Fan, Dry, Heat, and Auto, The backlit LCD remote controller allows effortless system control. Enjoy year-round comfort with cooling, heating, and dehumidification capabilities,WiFi-enabled and Googlee-compatible Automatic defrosting, self-diagnosis/cleaning, iFEEL mode, 24-hour timer, sleep mode, energy-saving mode, "HEALTH" mode (negative ions, electrostatic dust , PM2 removal )
  • Built for Any Weather : The mini split ac/heating system is designed to perform in various environments,wide range of working environment temperature , all-weather response, -20℃ (-4℉)low temperature startup, 60 ℃(140℉ )high temperature also do,stable operation ,and anti-dead wind design; Providing optimal performance in every season, reaching a maximum airflow distance of 50 feet, creating a 4D air circulation within the room
  • Easy Control & Quiet Operation:The handy remote control enables you to control this mini split AC unit from your comfortable bed or sofa conveniently. The smart 0.5-24 hour timer and low-noise operation(41 db)ensure a peaceful sleep time. What's more, the display screen on the remote control will be turned off automatically when there is no operation within 10s, which will not disturb your sleep.
  • Installation Package: Our ac mini split system comes with 1 x Outdoor Unit, 1 x Indoor Unit , 1 x13 ft Copper Connection Pipe - Air Pipe, 1 x 13 ft Copper Connection Pipe - Liquid Pipe , 1 x 6.5 ft Drain Hose, 1 x 13 ft Communication Wires, 1 x Remote Control,1 x User Guide (Excluding shut off valves housing and side protection grille); While the air filter is washable and easy to clean; Professional installation is required for this system. Note: Ships in 2 packages, may arrive separately
Read More
#7
20% Off
Free Shipping
  • 9000 BTU system provides efficient cooling and heating within a range of 61°F-88°F for spaces up to 400 sq.ft., with heat pump functionality and dehumidification mode.
  • Inverter technology achieves a 19 SEER rating with R454B refrigerant, improving energy efficiency by up to 35% through intelligent frequency adjustment.
  • Operates at a low noise level of 28dB in mute mode, ensuring a quiet environment while effectively cooling or heating.
  • Remote control, mobile app, and voice control integration (compatible with Alexa and Google Assistant) for convenient adjustments and routine settings.
  • For best results, install upright for 24 hours and consider professional HVAC installation; includes necessary copper lines and signal cord.
Read More
  • 9000 BTU system provides efficient cooling and heating within a range of 61°F-88°F for spaces up to 400 sq.ft., with heat pump functionality and dehumidification mode.
  • Inverter technology achieves a 19 SEER rating with R454B refrigerant, improving energy efficiency by up to 35% through intelligent frequency adjustment.
  • Operates at a low noise level of 28dB in mute mode, ensuring a quiet environment while effectively cooling or heating.
  • Remote control, mobile app, and voice control integration (compatible with Alexa and Google Assistant) for convenient adjustments and routine settings.
  • For best results, install upright for 24 hours and consider professional HVAC installation; includes necessary copper lines and signal cord.
Read More
#8
Free Shipping
  • ETL/AHRI-certified mini split air conditioner utilizes advanced inverter technology to save up to 25% energy while efficiently cooling or heating spaces up to 750 sq.ft.
  • Offers five operational modes: auto, cool, dry, heat, and fan; WiFi-enabled with Alexa compatibility, featuring self-clean, auto defrost, and various energy-saving settings including a unique "HEALTH" mode for enhanced air quality.
  • Operates quietly at sound levels below 41dB, equipped with vibration-dampening technology; Features precision remote control with temperature settings from 60°F to 90°F and advanced air circulation techniques ideal for quieter environments.
  • Designed for extreme weather conditions, functioning efficiently in temperatures ranging from -5°F to 118°F; The rugged outdoor unit is corrosion-resistant, ensuring durability and maintaining performance during outages.
  • Includes indoor and outdoor units, a multifunctional remote, and a complete installation kit; Features washable filters and an LCD remote with temperature memory; Professional HVAC installation is required.
Read More
  • ETL/AHRI-certified mini split air conditioner utilizes advanced inverter technology to save up to 25% energy while efficiently cooling or heating spaces up to 750 sq.ft.
  • Offers five operational modes: auto, cool, dry, heat, and fan; WiFi-enabled with Alexa compatibility, featuring self-clean, auto defrost, and various energy-saving settings including a unique "HEALTH" mode for enhanced air quality.
  • Operates quietly at sound levels below 41dB, equipped with vibration-dampening technology; Features precision remote control with temperature settings from 60°F to 90°F and advanced air circulation techniques ideal for quieter environments.
  • Designed for extreme weather conditions, functioning efficiently in temperatures ranging from -5°F to 118°F; The rugged outdoor unit is corrosion-resistant, ensuring durability and maintaining performance during outages.
  • Includes indoor and outdoor units, a multifunctional remote, and a complete installation kit; Features washable filters and an LCD remote with temperature memory; Professional HVAC installation is required.
Read More
#9
Free Shipping
  • 9,000 BTU mini split air conditioner with built-in heat pump for efficient heating and cooling from 61℉ to 88℉.
  • Energy-efficient with a 19 SEER2 and 8.5 HSPF2 rating, using variable frequency technology for up to 30% energy savings.
  • Whisper-quiet operation and WiFi control, suitable for spaces up to 450 sq. ft. Features include 4D airflow, I Feel mode, timer, and sleep mode.
  • Includes complete accessory kit: indoor and outdoor sections, remote controller, 16 ft. line set, and installation accessories for easier setup.
  • 3-year compressor warranty included, ensuring durability and reliability with a satisfaction guarantee.
Read More
  • 9,000 BTU mini split air conditioner with built-in heat pump for efficient heating and cooling from 61℉ to 88℉.
  • Energy-efficient with a 19 SEER2 and 8.5 HSPF2 rating, using variable frequency technology for up to 30% energy savings.
  • Whisper-quiet operation and WiFi control, suitable for spaces up to 450 sq. ft. Features include 4D airflow, I Feel mode, timer, and sleep mode.
  • Includes complete accessory kit: indoor and outdoor sections, remote controller, 16 ft. line set, and installation accessories for easier setup.
  • 3-year compressor warranty included, ensuring durability and reliability with a satisfaction guarantee.
Read More
#10
Free Shipping
  • Rated SEER2 of 18.9-20.2 with a capacity of 9K-12K BTU, suitable for cooling and heating areas between 500 to 1200 square feet.
  • Heat pump functionality offers efficient cooling and heating with an 11.2 HSPF2 rating for all-season use.
  • Gold Fin condenser coating enhances durability against corrosion and rust while optimizing heat transfer performance.
  • Includes a 16-foot line set for seamless installation between indoor and outdoor units.
  • Includes a 1-year labor warranty from IWAE.
Read More
  • Rated SEER2 of 18.9-20.2 with a capacity of 9K-12K BTU, suitable for cooling and heating areas between 500 to 1200 square feet.
  • Heat pump functionality offers efficient cooling and heating with an 11.2 HSPF2 rating for all-season use.
  • Gold Fin condenser coating enhances durability against corrosion and rust while optimizing heat transfer performance.
  • Includes a 16-foot line set for seamless installation between indoor and outdoor units.
  • Includes a 1-year labor warranty from IWAE.
Read More
36000 Btu Mini Split Ac/heating System Dual Zone See All
Costway Mini Split Ac See All
Mini Split Ac/heating System 12000 Btu R410a Energy Star See All