Best Split-System Air Conditioners in USA 2025
Updated on August 2025
#1
Recommended
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- 18,000 BTU capacity suitable for heating and cooling spaces up to 800 square feet.
- Simplified installation process reduces mess and labor costs for the user.
- Operates quietly for efficient temperature control without incurring high energy expenses.
- Provides both heating and cooling, suitable for year-round use with a modern design that fits various interiors.
- Smart WiFi connectivity for precise temperature control via mobile devices, compatible with Google Assistant and Amazon Alexa; includes a remote control.
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- 18,000 BTU capacity suitable for heating and cooling spaces up to 800 square feet.
- Simplified installation process reduces mess and labor costs for the user.
- Operates quietly for efficient temperature control without incurring high energy expenses.
- Provides both heating and cooling, suitable for year-round use with a modern design that fits various interiors.
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#2
Value for Money
8% Off
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- Alexa compatible mini split AC/heating system provides remote control via voice or app, enabling temperature adjustments from any location.
- Four-in-one functionality: This mini split unit serves as an air conditioner, heat pump (operable down to 5°F/-15°C), dehumidifier, and fan, featuring an efficient DC inverter and certified performance.
- Architecturally designed for both residential and commercial spaces, ensuring effective cooling and heating without sacrificing visual appeal.
- Complete installation package: Comes with an indoor air handler, outdoor condenser, remote control, and necessary installation components, including a pre-loaded refrigerant for easy setup (professional installation recommended).
- 5-year warranty on parts and compressor, with additional technical support from Senville, labor costs not included.
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- Alexa compatible mini split AC/heating system provides remote control via voice or app, enabling temperature adjustments from any location.
- Four-in-one functionality: This mini split unit serves as an air conditioner, heat pump (operable down to 5°F/-15°C), dehumidifier, and fan, featuring an efficient DC inverter and certified performance.
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#3
- 12,000 BTU mini split air conditioner with a built-in heat pump for efficient temperature control from 61℉ to 88℉.
- Quiet operation with WiFi control; effective for areas up to 750 Sq. Ft., featuring customizable airflow, a 24-hour timer, sleep mode, and multiple operational modes.
- Energy-efficient with a 19 SEER2 and 8.5 HSPF2 rating, utilizing variable frequency technology for up to 30% energy savings and an automatic defrost function to extend lifespan.
- Includes indoor fan coil, outdoor condenser, wireless remote, 16 ft. line set, installation accessories, and vibration absorbers for easy setup; professional installation recommended.
- 3-year compressor warranty and commitment to high-quality products with a 100% satisfaction guarantee.
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- 12,000 BTU mini split air conditioner with a built-in heat pump for efficient temperature control from 61℉ to 88℉.
- Quiet operation with WiFi control; effective for areas up to 750 Sq. Ft., featuring customizable airflow, a 24-hour timer, sleep mode, and multiple operational modes.
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#4
9% Off
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- 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.
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- 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.
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#5
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- 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.
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- 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.
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#6
20% Off
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- 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.
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- 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.
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#7
- 12,000 BTU capacity mini split air conditioner with a 1-ton heat pump for efficient cooling and heating between 61℉ and 88℉.
- Whisper-quiet operation, WiFi control, and effective coverage for spaces up to 750 sq. ft. Features include 4D airflow, I Feel mode, 24-hour timer, sleep mode, eco-friendly and energy-saving modes, and multiple fan speeds.
- 19 SEER2 and 8.5 HSPF2 ratings indicate energy-efficient operation, with variable frequency technology that can save up to 30% on energy costs. Automatic defrost function improves efficiency and prolongs unit lifespan.
- The package includes indoor fan coil, outdoor condenser, wireless remote with holder, 16 ft. line set, installation accessories, and vibration absorber feet. Professional installation is recommended for best performance.
- 3-year compressor warranty with a commitment to quality and customer satisfaction. Includes a 100% satisfaction guarantee.
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- 12,000 BTU capacity mini split air conditioner with a 1-ton heat pump for efficient cooling and heating between 61℉ and 88℉.
- Whisper-quiet operation, WiFi control, and effective coverage for spaces up to 750 sq. ft. Features include 4D airflow, I Feel mode, 24-hour timer, sleep mode, eco-friendly and energy-saving modes, and multiple fan speeds.
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#8
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- Smart compatibility for remote control via smartphone or voice assistant; initial setup requires connection to the same Wi-Fi network.
- SEER2 21 rating and R32 refrigerant contribute to up to 40% savings on energy costs and reduced consumption.
- Operates quietly, suitable for bedrooms and offices where noise is a concern.
- Provides 24,000 BTU of cooling and heating for effective temperature control year-round.
- Features self-cleaning technology at 135℉ to prevent dust buildup, with reminders for activation every 500 hours.
- Easy to maintain with a washable filter; includes 5-year compressor and 8-year parts warranties.
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- Smart compatibility for remote control via smartphone or voice assistant; initial setup requires connection to the same Wi-Fi network.
- SEER2 21 rating and R32 refrigerant contribute to up to 40% savings on energy costs and reduced consumption.
- Operates quietly, suitable for bedrooms and offices where noise is a concern.
- Provides 24,000 BTU of cooling and heating for effective temperature control year-round.
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#9
27% Off
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- All-season mini split air conditioning system with heating and dehumidification functions, including automatic defrost, self-diagnosis, and a 24-hour timer.
- High-efficiency cooling and heating with a powerful compressor and inverter technology; 17 SEER2 rating for improved energy savings of 25% over units with 14 SEER2 rating and operates in temperatures from 5°F to 122°F.
- WiFi-enabled with voice control via mobile app or compatible with Alexa/Google Assistant for remote temperature adjustments and routine setting.
- Quiet operation at 29 dBa for low-speed performance; features a 24-hour timer and adjustable display for undisturbed sleep.
- Satisfaction guarantee with professional installation recommended; suitable for home, storage, office, and light commercial use.
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- All-season mini split air conditioning system with heating and dehumidification functions, including automatic defrost, self-diagnosis, and a 24-hour timer.
- High-efficiency cooling and heating with a powerful compressor and inverter technology; 17 SEER2 rating for improved energy savings of 25% over units with 14 SEER2 rating and operates in temperatures from 5°F to 122°F.
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#10
- High-efficiency cooling and heating with a powerful compressor and heat pump, covering 1500 square feet; ETL and AHRI certified for energy efficiency.
- Five functional modes available: Cool, Fan, Dry, Heat, and Auto; WiFi-enabled with remote control for added convenience and customization.
- Designed to perform in extreme temperatures (-20℃ to 60℃) with robust airflow and a 4D air circulation system.
- Remote control operation with a low noise level (41 dB) and a smart timer for convenience during sleep; auto-off display to minimize disturbances.
- Package includes all necessary components for installation, excluding specific shut-off valves; air filter is washable for easy maintenance.
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- High-efficiency cooling and heating with a powerful compressor and heat pump, covering 1500 square feet; ETL and AHRI certified for energy efficiency.
- Five functional modes available: Cool, Fan, Dry, Heat, and Auto; WiFi-enabled with remote control for added convenience and customization.
- Designed to perform in extreme temperatures (-20℃ to 60℃) with robust airflow and a 4D air circulation system.
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