Best Ultra Energy Efficient Mini Split System in 2025
Updated on July 2025
#1
Recommended
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- 36000 BTU/h, 19 SEER2 air conditioner with heat pump, providing efficient cooling and heating with DC Inverter technology for energy savings up to 30%.
- Covers up to 2500 Sq. Ft and operates in temperatures as low as -4℉, equipped with a full installation kit including 1/4" & 5/8" copper pipes and a 78.7" drain pipe.
- Features smart functions like 4D airflow, I feel mode, a 24-hour timer, sleep mode, eco mode, multiple fan speeds, turbo function, and several operational modes for optimal comfort.
- Includes a smart sensor that measures room temperature via the remote control for enhanced comfort and energy efficiency; requires professional installation with proper freon adjustments.
- Operates quietly at 36 dBa, ensuring even airflow throughout the room and reaching comfortable temperatures from 60-90℉ in minutes.
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- 36000 BTU/h, 19 SEER2 air conditioner with heat pump, providing efficient cooling and heating with DC Inverter technology for energy savings up to 30%.
- Covers up to 2500 Sq. Ft and operates in temperatures as low as -4℉, equipped with a full installation kit including 1/4" & 5/8" copper pipes and a 78.7" drain pipe.
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#2
Value for Money
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- 12000 BTU/h mini split air conditioner with 19 SEER2 rating and DC inverter technology for energy efficiency.
- Cools and heats areas up to 550 sq. ft., functioning effectively in low temperatures down to 5°F; full installation kit included.
- Equipped with smart features such as 4D airflow, I feel mode, 24-hour timer, multiple fan speeds, and various operational modes including sleep and eco modes.
- Smart sensor adjusts airflow based on remote sensor temperature for personalized comfort; professional installation required for optimal performance.
- Operates at a low noise level of 42 dBa, providing uniform airflow and rapid temperature adjustments for enhanced comfort.
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- 12000 BTU/h mini split air conditioner with 19 SEER2 rating and DC inverter technology for energy efficiency.
- Cools and heats areas up to 550 sq. ft., functioning effectively in low temperatures down to 5°F; full installation kit included.
- Equipped with smart features such as 4D airflow, I feel mode, 24-hour timer, multiple fan speeds, and various operational modes including sleep and eco modes.
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#3
9% Off
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- Four modes for year-round comfort: Cool, Heat, Dry, and Fan modes with four fan speeds and specialized ECO and Sleep modes.
- User-friendly remote control for easy adjustments, a 24-hour timer for energy-saving operation, and ultra-quiet performance ideal for sleep.
- Intelligent maintenance features including self-cleaning and auto-defrost for reliable operation in temperatures as low as -4°F.
- Powerful 12,000 BTU capacity effectively cools spaces up to 750 square feet with rapid cooling capabilities.
- AHRI-certified system using R32 refrigerant for efficient cooling and heating, designed to reduce energy consumption and extend compressor lifespan.
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- Four modes for year-round comfort: Cool, Heat, Dry, and Fan modes with four fan speeds and specialized ECO and Sleep modes.
- User-friendly remote control for easy adjustments, a 24-hour timer for energy-saving operation, and ultra-quiet performance ideal for sleep.
- Intelligent maintenance features including self-cleaning and auto-defrost for reliable operation in temperatures as low as -4°F.
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#4
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- Inverter technology with SEER 22 efficiency can lower energy costs by up to 30% while cooling or heating rooms up to 750 sq. ft.
- Comes with pre-charged line set, drain hose, remote control, and installation guide for easy DIY setup without needing HVAC professionals.
- Features a programmable 24-hour timer, sleep mode, rapid cooling, and auto-restart, all controllable via WiFi or remote.
- Operates at a low noise level of 32dB, making it suitable for bedrooms, offices, and small spaces to minimize distractions.
- Utilizes R32 eco-friendly refrigerant with an anti-corrosion coating and a self-diagnosis system, supported by a 5-year warranty on the compressor.
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- Inverter technology with SEER 22 efficiency can lower energy costs by up to 30% while cooling or heating rooms up to 750 sq. ft.
- Comes with pre-charged line set, drain hose, remote control, and installation guide for easy DIY setup without needing HVAC professionals.
- Features a programmable 24-hour timer, sleep mode, rapid cooling, and auto-restart, all controllable via WiFi or remote.
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#5
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- High-efficiency 18000 BTU cooling and heating suitable for spaces up to 1250 sq. ft., featuring a SEER2 rating of 19 for energy savings.
- Includes a complete DIY installation kit with a remote control, copper lines, drain hose, and operation guide; professional installation recommended for electrical and refrigerant work.
- Compatible with smart home devices and offers customizable climate modes, including sleep mode, rapid cooling, humidity control, and auto-restart.
- Operates at a quiet 32dB, making it suitable for noise-sensitive environments, ensuring minimal disruption during use.
- Durable design with R32 refrigerant, rust-resistant copper coils, and a self-cleaning filter; includes a 5-year warranty on compressors for long-term reliability.
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- High-efficiency 18000 BTU cooling and heating suitable for spaces up to 1250 sq. ft., featuring a SEER2 rating of 19 for energy savings.
- Includes a complete DIY installation kit with a remote control, copper lines, drain hose, and operation guide; professional installation recommended for electrical and refrigerant work.
- Compatible with smart home devices and offers customizable climate modes, including sleep mode, rapid cooling, humidity control, and auto-restart.
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#6
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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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#7
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- 18000 BTU capacity with powerful compressor and 1 ton heat pump for efficient cooling and heating from 61℉ to 88℉.
- Operates quietly with WiFi control and cooling capability for spaces up to 1250 sq. ft.; features include 4D airflow, I Feel mode, 24-hour timer, and sleep mode.
- Includes indoor fan coil, outdoor condenser, wireless remote, 16 ft. line set, installation accessories, and vibration absorber for easy installation; professional installation is recommended.
- Energy-efficient with a 19 SEER2 and 8.5 HSPF2 rating, saving up to 30% on energy costs with automatic defrost function to enhance efficiency.
- 3-year compressor warranty for durability; backed by a commitment to quality and customer satisfaction.
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- 18000 BTU capacity with powerful compressor and 1 ton heat pump for efficient cooling and heating from 61℉ to 88℉.
- Operates quietly with WiFi control and cooling capability for spaces up to 1250 sq. ft.; features include 4D airflow, I Feel mode, 24-hour timer, and sleep mode.
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#8
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- Della 4 Zone air conditioner unit operates at 36000 BTU/h with a 19 SEER rating, offering energy-efficient cooling and heating using a mini split inverter system and heat pump technology, ensuring up to 30% power savings.
- Includes four 9000 BTU indoor air handlers and one outdoor condenser, allowing individual temperature control for each room. Comes with necessary installation components including 16ft copper pipes and outlet drain pipes.
- Provides effective cooling and heating coverage for areas up to 1600 sq. ft., with recommended usage of 400 sq. ft. per indoor unit. Fully compatible with Alexa for smart home integration.
- Features multiple smart functions such as 4D airflow, sleep mode, eco energy saving mode, and various fan speeds, enhancing user comfort and convenience.
- Operates quietly at 41 dBa, ensuring minimal noise disruption. Professional installation is required, with line-set vacuuming necessary to adjust freon levels properly.
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- Della 4 Zone air conditioner unit operates at 36000 BTU/h with a 19 SEER rating, offering energy-efficient cooling and heating using a mini split inverter system and heat pump technology, ensuring up to 30% power savings.
- Includes four 9000 BTU indoor air handlers and one outdoor condenser, allowing individual temperature control for each room. Comes with necessary installation components including 16ft copper pipes and outlet drain pipes.
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#9
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- 4-in-1 function: offers cooling, heating, dehumidifying, and fan modes in a single compact design, ideal for various settings like bedrooms, offices, and garages.
- Energy-efficient design with a 19 SEER rating and 9000 BTU capacity, featuring a high-quality compressor that enhances cooling efficiency and longevity.
- Quiet operation at 32-38 dB(A), with a 24-hour timer and 4-way swing function to optimize airflow and maintain comfort even during sleep.
- User-friendly remote control for adjusting fan speed, sleep mode, ECO mode, turbo mode, and 24-hour timer, ensuring an enjoyable cooling experience.
- Includes a washable air filter for easy maintenance, promoting efficient operation when cleaned monthly.
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- 4-in-1 function: offers cooling, heating, dehumidifying, and fan modes in a single compact design, ideal for various settings like bedrooms, offices, and garages.
- Energy-efficient design with a 19 SEER rating and 9000 BTU capacity, featuring a high-quality compressor that enhances cooling efficiency and longevity.
- Quiet operation at 32-38 dB(A), with a 24-hour timer and 4-way swing function to optimize airflow and maintain comfort even during sleep.
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#10
9% Off
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- 12,000 BTU mini split air conditioner with inverter technology suitable for rooms up to 550 square feet.
- Inverter technology with a SEER rating of 21 offers energy savings of up to 35%, using environmentally-friendly R454B refrigerant.
- Remote control allows for easy operation, including fan speed selection, sleep mode, 24-hour timer, ECO mode, turbo mode, and mute mode.
- Operates quietly at 28-45 dBa, includes a 4-way swing function for effective airflow distribution throughout the room.
- Professional installation recommended, ideal for home, office, or light commercial use.
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- 12,000 BTU mini split air conditioner with inverter technology suitable for rooms up to 550 square feet.
- Inverter technology with a SEER rating of 21 offers energy savings of up to 35%, using environmentally-friendly R454B refrigerant.
- Remote control allows for easy operation, including fan speed selection, sleep mode, 24-hour timer, ECO mode, turbo mode, and mute mode.
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