Best High Efficiency Mini Split in 2025
Updated on July 2025
#1
Recommended
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- 23 SEER2 rating for energy efficiency, saving on monthly bills. Suitable for rooms up to 550 sq.ft with 12000 BTU and operational down to -13F/-25℃.
- Alexa-enabled for remote adjustments; supports cooling, heating, dry, auto, and fan modes. Features include 4D airflow, eco mode, sleep mode, timer function, and WiFi support via the Della+ app.
- ETL listed and AHRI certified with a 5-year warranty. Requires professional installation and line-set vacuuming during setup; government rebates available.
- Stylish indoor unit with a noise level as low as 27 dB(A), suitable for various environments. Maintenance is easy with seasonal filter cleaning.
- Gold plated FIN technology enhances durability and heat efficiency, even in extreme temperatures; non-toxic components ensure safety.
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- 23 SEER2 rating for energy efficiency, saving on monthly bills. Suitable for rooms up to 550 sq.ft with 12000 BTU and operational down to -13F/-25℃.
- Alexa-enabled for remote adjustments; supports cooling, heating, dry, auto, and fan modes. Features include 4D airflow, eco mode, sleep mode, timer function, and WiFi support via the Della+ app.
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#2
Value for Money
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- Ductless Mini Split Inverter Heat Pump System with High Efficiency
- Offers both cooling and heating capabilities at 12000 BTU/hour with 20 SEER and 10 HSPF ratings
- Available in various capacities from 9,000 to 36,000 BTU/hour for residential and light commercial uses
- Includes complete installation kit: indoor unit, outdoor unit, remote controller, 16 ft. line set, and accessories
- Operates on 115V, 60Hz, single phase power
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- Ductless Mini Split Inverter Heat Pump System with High Efficiency
- Offers both cooling and heating capabilities at 12000 BTU/hour with 20 SEER and 10 HSPF ratings
- Available in various capacities from 9,000 to 36,000 BTU/hour for residential and light commercial uses
- Includes complete installation kit: indoor unit, outdoor unit, remote controller, 16 ft. line set, and accessories
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#3
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- 9000 BTU split air conditioner efficiently cools and heats spaces up to 450 sq. ft., offering optimal temperature control year-round.
- Five operational modes (Cool, Fan, Dry, Heat, Auto) with four fan speeds provide personalized comfort, complemented by a backlit LCD remote for easy adjustments.
- Compatible with Google Home for remote temperature control, promoting energy savings while maintaining comfort.
- Features self-cleaning functionality and washable filter for improved air quality, with outdoor unit auto-defrosting at temperatures as low as -4°F to enhance efficiency.
- Remote control and low-noise operation ensure convenient use and a peaceful environment, with an automatic display off feature to minimize distractions.
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- 9000 BTU split air conditioner efficiently cools and heats spaces up to 450 sq. ft., offering optimal temperature control year-round.
- Five operational modes (Cool, Fan, Dry, Heat, Auto) with four fan speeds provide personalized comfort, complemented by a backlit LCD remote for easy adjustments.
- Compatible with Google Home for remote temperature control, promoting energy savings while maintaining comfort.
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#4
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- This air conditioner and heater unit has a capacity of 12000 BTU/h, an efficiency rating of 19 SEER2, and operates on 208-230V with an 8 HSPF rating, designed for ductless mini-split installation and capable of functioning in temperatures as low as -4℉/-20℃.
- Equipped with a variety of smart settings including auto defrost, self-diagnosis, 24-hour timer, sleep mode, eco mode, and multiple fan speeds for enhanced usability. Requires a maximum fuse size of 15A for operation.
- Features a smart sensor that detects room temperature from the remote control for better temperature regulation and energy efficiency during operation.
- Operates quietly at sound levels of 30-41 dBa and provides consistent airflow throughout the room, with an adjustable temperature range of 60-90 degrees Fahrenheit. Requires professional installation due to line-set vacuuming and freon adjustments.
- Designed to heat and cool spaces up to 750 square feet and includes a full installation kit with 16.4 ft of standard size copper pipes, plus a drain pipe length of 78.7".
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- This air conditioner and heater unit has a capacity of 12000 BTU/h, an efficiency rating of 19 SEER2, and operates on 208-230V with an 8 HSPF rating, designed for ductless mini-split installation and capable of functioning in temperatures as low as -4℉/-20℃.
- Equipped with a variety of smart settings including auto defrost, self-diagnosis, 24-hour timer, sleep mode, eco mode, and multiple fan speeds for enhanced usability. Requires a maximum fuse size of 15A for operation.
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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
19% Off
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- Inverter technology enables rapid cooling in 30 seconds and heating in 60 seconds, with capabilities of 131°F in cool mode and -13°F in heat mode.
- SEER2 rating of 23 indicates excellent energy efficiency, potentially lowering cooling costs to around $69 per season, and qualifying for federal tax credits.
- Enhanced air circulation allows effective cooling or heating over longer distances, driven by a drum-shaped impeller fan that operates quietly and increases durability.
- Installation is straightforward with a comprehensive guide and wiring diagram; professional installation is recommended for optimal performance.
- Offers versatile control options including remote, smartphone app, and voice commands through Alexa or Google Assistant, facilitating easy adjustments from anywhere in the room.
- Features a self-cleaning function that reduces manual maintenance by automatically removing dirt and debris from the unit, ensuring efficient operation.
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- Inverter technology enables rapid cooling in 30 seconds and heating in 60 seconds, with capabilities of 131°F in cool mode and -13°F in heat mode.
- SEER2 rating of 23 indicates excellent energy efficiency, potentially lowering cooling costs to around $69 per season, and qualifying for federal tax credits.
- Enhanced air circulation allows effective cooling or heating over longer distances, driven by a drum-shaped impeller fan that operates quietly and increases durability.
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#7
- Wall-mounted ductless mini-split air conditioner with a heat pump, offering 9,000 BTU capacity and 25 SEER efficiency.
- Smart port adapter allows wireless control via smartphone with the C&H Remote app, enabling temperature adjustments and mode switching.
- Designed with Whisper Technology for quiet operation, suitable for bedrooms, living rooms, and commercial spaces.
- Kit includes 16ft insulated copper line set, communication wires, and necessary installation accessories.
- Comes with a 7-year compressor warranty and a 5-year parts warranty; professional installation is mandatory.
- Delivered freight on a pallet; delivery appointment is necessary, and residents will receive curbside service.
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- Wall-mounted ductless mini-split air conditioner with a heat pump, offering 9,000 BTU capacity and 25 SEER efficiency.
- Smart port adapter allows wireless control via smartphone with the C&H Remote app, enabling temperature adjustments and mode switching.
- Designed with Whisper Technology for quiet operation, suitable for bedrooms, living rooms, and commercial spaces.
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#8
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- Alexa connectivity for remote temperature control and customized routines.
- 4-in-1 functionality: air conditioning, heat pump (operating in extreme cold), dehumidifier, and fan.
- Designed for both aesthetic appeal and effective performance in various environments including homes and businesses.
- Complete installation package with indoor and outdoor units, remote, and necessary installation materials included; refrigerant pre-loaded for convenience.
- 5-year warranty on parts and compressor, with additional technical support available.
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- Alexa connectivity for remote temperature control and customized routines.
- 4-in-1 functionality: air conditioning, heat pump (operating in extreme cold), dehumidifier, and fan.
- Designed for both aesthetic appeal and effective performance in various environments including homes and businesses.
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#9
- Energy-efficient mini split AC/heating system with a SEER2 rating of 19, designed to reduce energy consumption while providing effective cooling and heating.
- Compatible with Alexa and equipped with built-in Wi-Fi, allowing for voice control and smartphone management of your home’s climate.
- Operates quietly at noise levels as low as 41dB and features a programmable timer for energy-efficient operation during the night.
- Suitable for areas up to 750 sq. ft., ideal for open-concept living spaces, large bedrooms, and smaller commercial settings.
- Includes a complete installation kit, although professional installation is required for optimal performance.
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- Energy-efficient mini split AC/heating system with a SEER2 rating of 19, designed to reduce energy consumption while providing effective cooling and heating.
- Compatible with Alexa and equipped with built-in Wi-Fi, allowing for voice control and smartphone management of your home’s climate.
- Operates quietly at noise levels as low as 41dB and features a programmable timer for energy-efficient operation during the night.
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#10
- 12,000 BTU/h cooling capacity with up to 23 SEER efficiency
- 12,000 BTU/h heating capacity with 10 HSPF efficiency
- Quiet operation at 27 dB indoors and 52 dB outdoors
- Functional in extreme temperatures: heating at -13°F and cooling at 140°F
- Wi-Fi capability for scheduling and control through the Pioneer app
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- 12,000 BTU/h cooling capacity with up to 23 SEER efficiency
- 12,000 BTU/h heating capacity with 10 HSPF efficiency
- Quiet operation at 27 dB indoors and 52 dB outdoors
- Functional in extreme temperatures: heating at -13°F and cooling at 140°F
- Wi-Fi capability for scheduling and control through the Pioneer app
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