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10 Best Ductless Air Conditioners: Reviews & Buying Guide

Seeking a cooler, comfier home has led to the rise of ductless air conditioners. As energy expenses soar and around 75% of US homes rely on AC, efficiency matters. Ductless ACs, famed for their easy setup and efficiency, provide a solution. Yet, “Choosing The Right One” can seem daunting. Let’s dissect the crucial factors to help you choose wisely.

  • Efficiency: Opt for models with high SEER and HSPF ratings. A SEER rating over 15 and an HSPF over 8 indicate high efficiency. A SEER of 20 uses significantly less energy than a SEER of 15, offering substantial savings.
  • Size: Choose the correct size for your space. Ductless ACs are measured in BTUs (British Thermal Units), and a 500 square feet area needs at least 12,000 BTUs. Selecting the appropriate capacity ensures efficient cooling without wasting energy.
  • Features: Find products that offer extra features like Wi-Fi connectivity, timers, and multi-zone cooling. These can enhance control and further increase energy savings.  

Best Ductless Air Conditioners Table

Best Ductless Air ConditionersPower CapacityEnergy Rating (SEER)Buy Now
Senville Ductless Air Conditioner9000 BTU19Check On Amazon
MRCOOL Ductless Air Conditioner36000 BTU16Check On Amazon
Cooper & Hunter Ductless Air Conditioner9000 BTU21.5Check On Amazon
Pioneer Ductless Air Conditioner12000 BTU19Check On Amazon
DELLA Ductless Air Conditioner24000 BTU19Check On Amazon
COSTWAY Ductless Air Conditionerr12000 BTU20Check On Amazon
Klimaire Ductless Air Conditioner12000 BTU20.8Check On Amazon
OLMO Ductless Air Conditioner12000 BTU16.8Check On Amazon
ROVSUN Ductless Air Conditioner12000 BTU19Check On Amazon
ApooDr Ductless Air Conditioner18000 BTU16.8Check On Amazon

Best Ductless Air Conditioners Reviews

Here are the detailed reviews of our handpicked products that help you in making an informed buying decision.

1. Senville Ductless Air Conditioner 

Senville Ductless Air Conditioner

Why it made the cut: Energy-efficient, Alexa-enabled, versatile 4-in-1.

The LETO Series Mini Split from Senville is the ultimate solution for year-round comfort and energy savings. With its smart technology, this air conditioner and heater combo lets you control your room’s temperature effortlessly through Alexa or a smartphone app. It’s a versatile 4-in-1 system, offering heating, cooling, dehumidifying, and fan functions for all seasons. 

Built to withstand extreme conditions, its powerful heat pump works efficiently even at -15°C. Plus, its sleek design adds a touch of style to any space, making it perfect for bedrooms, offices, or commercial areas like stores and warehouses.


  • Equipped with Alexa for voice control
  • Cooling capacity of 0.75 tons
  • 10300 BTU for cooling
  • Energy Efficiency Ratio (SEER) of 19
  • White exterior
  • Operates on 110 volts
  • Noise level of 25 dB


  • Efficient functions for cooling, heating, and dehumidifying
  • Seamless integration with Alexa for added convenience
  • Stylish design suitable for various environments
  • Comprehensive installation package included


  • Professional installation required, not suitable for DIY

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2. MRCOOL Ductless Air Conditioner  

MRCOOL Ductless Air Conditioner

Why it made the cut: Easy DIY installation, smartphone app control.

MRCOOL revolutionizes home comfort with its cutting-edge temperature control technology. This system offers simplicity and energy efficiency, catering to homeowners seeking enhanced comfort. Capable of effectively regulating temperatures in spaces of up to 1500 square feet, it delivers both heating and cooling functionalities with a remarkable power output of 36000 BTUs and a 3-ton capacity. 

The coolest thing about the MRCOOL is that you can install it yourself without needing special tools or hiring a professional. It comes with a pre-filled R-410A 25-foot line, so you won’t have to mess with a complicated setup. Also, there’s a SmartHVAC app that lets you control it from your phone, which is handy. It even works with Alexa and Google Assistant.


  • Ability to handle 3 tons of load
  • Cooling power of 36000 BTUs
  • Energy efficiency ratio of 16 SEER
  • White in color
  • Operates on 230 volts
  • Utilizes R-410A refrigerant


  • Simple DIY installation process
  • Convenient control via smartphone app
  • Impressive cooling and heating capabilities
  • Integration with Alexa and Google Assistant for added convenience


  • Heating performance may be less efficient in very cold temperatures

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3. Cooper&Hunter Ductless Air Conditioner 

Cooper & Hunter Ductless Air Conditioner

Why it made the cut: Efficient, quiet, reliable cooling solution.

The Cooper & Hunter Mini Split Air Conditioner is suitable for areas up to 0.75 tons. Boasting 9000 BTU cooling capacity and an impressive 21.7 SEER rating, it promises efficient performance while operating quietly at just 42 dB. Controlled via remote for added convenience, this ductless mini-split is designed for user-friendly operation. It also provides heating functionality, making it adaptable for year-round comfort. Its sleek white design seamlessly integrates with any interior decor, and its advanced Technology ensures minimal noise, making it suitable for various settings including bedrooms, living rooms, and commercial spaces.  


  • 21.7 SEER rating for efficient performance
  • Controlled remotely for convenience
  • Compact design in white
  • Cooling power of 9000 BTU
  • Noise level of 42 dB
  • Pre-charged with refrigerant
  • Compressor warranty for 7 years, parts warranty for 5 years


  • Clear installation instructions provided
  • Components are of high quality and durable
  • Operates quietly both indoors and outdoors
  • Effective in both cooling and heating


  • Reports of potential leakage issues from some customers

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4. Pioneer Ductless Air Conditioner 

Pioneer Ductless Air Conditioner

Why it made the cut: Cutting-edge technology for efficient cooling and heating.

Pioneer’s Diamante Series mini-split AC delivers instant comfort through its advanced design, providing efficient cooling and heating capabilities. With a cooling capacity of 12000 BTU/hour and a SEER rating of 19, it guarantees energy efficiency while effectively regulating indoor temperatures year-round. This system includes both indoor and outdoor components, along with a user-friendly wireless remote controller for easy operation. 

Operating quietly at just 40 dB, it ensures a serene environment, perfect for bedrooms or offices. Featuring automatic double-directional air sweeping louvers and adjustable fan speeds, the Pioneer Diamante Series allows for customizable comfort tailored to individual preferences.


  • Cooling capacity of 12000 BTU
  • SEER rating reaching 19
  • Wireless remote controller for easy operation
  • Noise level limited to 40 dB
  • Comes with a 16 ft. installation kit
  • Equipped with a variable speed high-efficiency DC inverter compressor


  • Offered at an affordable price
  • Operates quietly both indoors and outdoors
  • Demonstrates energy-efficient cooling and heating capabilities
  • Includes a comprehensive installation kit for added convenience


  • Thermostat calibration could require adjustment for precise temperature control

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5. DELLA Ductless Air Conditioner  

DELLA Ductless Air Conditioner

Why it made the cut: Smart, efficient cooling with WiFi connectivity.

DELLA’s Ductless Air Conditioner, certified by ETL and AHRI, ensures efficient cooling and heating. Boasting a SEER rating of 19, it effectively cools or warms spaces of up to 1500 Sq.Ft. Utilizing DC inverter technology and a heat pump operational down to 5°F, it promises substantial energy savings while maintaining optimal performance, even in harsh weather conditions.

This unit automatically adapts airflow and temperature to suit room conditions, maximizing comfort and energy efficiency. Additional functionalities such as 4D air flow, a 24-hour timer, sleep mode, and eco energy-saving mode cater to individual preferences, offering tailored comfort. Operating quietly at just 51 dB, it fosters a serene environment ideal for relaxation or productivity.


  • Cooling capacity of 24,000 BTU
  • SEER rating reaching 19
  • Ability to connect via WiFi for remote control
  • Utilizes smart sensor technology for tailored comfort
  • Operates at a noise level of 51 dB


  • Efficient cooling and heating with low energy consumption
  • Smart functions add convenience to usage
  • Operates quietly, suitable for tranquil settings
  • Comes with a complete installation kit


  • Leakage problems

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6. COSTWAY Ductless Air Conditioner

COSTWAY Ductless Air Conditioner


Why it made the cut: Efficient cooling & heating with advanced features.

This popular ductless AC unit from COSTWAY is designed to cool and heat effectively. It can handle spaces up to 750 square feet with its 1-ton capacity and 12,000 BTU power. The unit is AHRI certified, which means it works efficiently in both hot and cold conditions. Thanks to its inverter technology, it uses energy wisely, saves money, and extends the life of the equipment.

The AC offers five modes: auto, cool, dry, heat, and fan, so you can choose how you want to adjust your room’s temperature. It also features four fan speeds and special modes like sleep and ECO, which make it more comfortable and efficient. The iFEEL and turbo functions allow for even more personalized temperature control.


  • Cooling capacity of 12000 BTU
  • Inverter compressor for energy efficiency.
  • 5 working modes for all-year comfort.
  • SEER rating of 20 for high energy efficiency.
  • Quiet operation at 51 dB.
  • Pre-charged with R32 refrigerant for eco-conscious cooling.


  • Energy-efficient operation.
  • Versatile cooling and heating modes.
  • Easy to operate with remote control.
  • Long-term warranty coverage.


  • Installation process may be time-consuming.
  • Higher initial investment compared to traditional AC units.

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7. Klimaire Ductless Air Conditioner

Klimaire Ductless Air Conditioner

Why it made the cut: Powerful, efficient, and whisper-quiet.

Klimaire’s 1-ton mini-split is one of the best air conditioners available. It works all year to keep your space comfortable. This AC has a 12,000 BTU KSIV system, making it efficient and durable. It also has a SEER rating of up to 20.8, which helps lower your energy costs.

This unit can manage extreme temperatures, and it can heat or cool your space even when it’s as cold as 5°F. It includes helpful features like self-cleaning, humidity control, and adjustable comfort settings. The indoor unit is very quiet, operating at only 28 dB(A), so you can enjoy a calm environment without the loud noise typical of air conditioners. This version uses shorter sentences, simpler language, and a clear, structured layout to enhance readability.


  • Cooling power of 12000 BTUs
  • Energy-efficient with up to 20.8 SEER2.
  • Whisper-quiet operation at only 28 dB.
  • Comes with Wi-Fi module for smart control.
  • Suitable for areas up to 550 sq. ft.
  • Compatible with Alexa and Google Home.


  • Exceptional cooling and heating performance.
  • Energy-efficient operation saves on electricity bills.
  • Smart features enhance convenience.
  • Compact size and wall-mountable design.


  • Copper tubing sizes may not match installation needs.
  • Remote control functionality may require familiarity.

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8. OLMO Ductless Air Conditioner

OLMO Ductless Air Conditioner

Why it made the cut: Efficient, reliable climate control.

The OLMO Ductless Air Conditioner brings efficient and reliable climate control to your space. With a capacity of 1 ton and 12000 BTU, it’s suitable for bedrooms, living rooms and commercial applications. Its 16.8 SEER rating ensures energy efficiency while providing quiet operation. 

The LED display, self-diagnosis feature, intelligent defrost and pre-heating capability add convenience. It includes a 16′ copper line set and communication wires, simplifying installation.


  • 12,000 BTU cooling capacity
  • Energy-efficient with a SEER rating of 16.8.
  • Quiet operation suitable for bedrooms
  • Inverter compressor by Toshiba
  • Self-diagnosis feature for troubleshooting
  • Intelligent defrost for better performance


  • Easy installation process
  • Efficient cooling and heating
  • LED display for convenient monitoring
  • Budget-friendly option.


  • Occasional issues with motherboard reported
  • Additional cost for professional repair due to leaks.

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9. ROVSUN Ductless Air Conditioner

ROVSUN Ductless Air Conditioner


Why it made the cut: Efficient cooling, quiet operation, smart comfort control.

The ROVSUN Ductless Air Conditioner is a powerhouse in the realm of cooling solutions. With a capacity of 1 ton and 12000 BTUs, it efficiently cools your space while maintaining energy efficiency with its 19 SEER rating.

One of its standout features is its smart comfort control, which allows you to adjust settings either through the remote control or the dedicated app. This level of control ensures personalized comfort while maximizing energy savings.


  • 12000 BTU cooling power
  • Energy-efficient with a 19 SEER rating
  • Smart features for convenient control
  • Ultra-quiet operation at 41 dB
  • Remote control and app connectivity
  • Suitable for spaces up to 750 square feet
  • 24-hour timer and sleep mode
  • Equal airflow distribution
  • Power-off memory function


  • Efficient cooling performance
  • Eco energy-saving mode
  • Intelligent compressor pre-heating
  • Sleek design adds aesthetic appeal


  • Hidden functions on remotes may be confusing
  • Compressor not Pre Charged.

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10. ApooDr Ductless Air Conditioner

ApooDr Ductless Air Conditioner


Why it made the cut: Efficient, Quiet, Dual Function

This air conditioner from ApooDr delivers strong performance with its 18000 BTU capacity for cooling and heating. It’s built to efficiently manage up to 1000 square feet, making it suitable for medium-sized rooms or offices. With a SEER of 16.8, it operates cost-effectively, providing comfort throughout the year.

Its versatility stands out, featuring five operational modes: Auto, Cool, Dry, Heat, and Fan. The unit’s low noise level of just 30 dB ensures it runs quietly, minimizing disturbance. Additionally, it includes a washable filter for easy maintenance.


  • 18000 BTU cooling power
  • Inverter Technology for energy efficiency
  • Low noise level at 30 dB
  • Five operational modes for customized comfort
  • Highly energy-efficient with 16.8 SEER rating
  • LED Display and Self Diagnosis features
  • High-Efficiency Tube enhances heat transfer
  • Washable and easy-to-clean air filter
  • Backlit LCD remote for easy control


  • Offers both cooling and heating, versatile for all seasons
  • Features like Intelligent Defrost and Pre-Heating add to its effectiveness
  • Comes with a 5-year warranty on the compressor


  • The indoor unit size might be too large for some spaces
  • Limited color options (only available in white).

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Factors To Consider When Choosing The Best Ductless Air Conditioners

When it comes to selecting the best ductless air conditioner for your needs, several factors warrant careful consideration:

1. Cooling Capacity

The cooling capacity of a ductless air conditioner is measured in BTUs (British Thermal Units) and indicates how much heat the unit can remove from a room per hour. It’s essential to choose a system with an adequate cooling capacity for the size of the space you intend to cool. Oversized units may cycle on and off frequently, leading to energy inefficiency, while undersized units may struggle to maintain comfortable temperatures.

2. Energy Efficiency

Energy efficiency is a critical consideration for both environmental sustainability and cost-effectiveness. Look for ductless air conditioners with high Energy Efficiency Ratios (EER) or Seasonal Energy Efficiency Ratios (SEER). Higher EER or SEER ratings indicate better energy efficiency, which can result in lower utility bills over time.

3. Voltage

Ductless air conditioners typically operate on either 120 volts or 240 volts. The voltage requirement depends on the size and capacity of the unit. Ensure that your electrical system can support the voltage required by the air conditioner you choose.

4. Compressor Types

Ductless air conditioners can feature either single-zone or multi-zone compressors. Single-zone compressors are suitable for cooling individual rooms or small spaces, while multi-zone compressors can cool multiple rooms simultaneously. Consider your cooling needs and preferences when deciding between these compressor types.

5. Filter Requirements

Clean air is essential for maintaining indoor air quality and overall comfort. Choose a ductless air conditioner with high-quality filters that effectively capture dust, allergens, and other airborne particles. Additionally, opt for units with easily accessible and washable filters to facilitate regular maintenance and improve longevity.

6. Heating Function

Some ductless air conditioners come equipped with heat pump technology, allowing them to provide both cooling and heating functions. If you live in a region with fluctuating temperatures or require year-round climate control, opting for a unit with heating capabilities can offer added versatility and convenience.

7. Noise Level

The noise level of a ductless air conditioner can significantly impact your comfort, especially if the unit is installed in a bedroom or other quiet space. Look for models with low decibel ratings to minimize operational noise and ensure a peaceful indoor environment.

8. Installation Type

Ductless air conditioners offer flexibility in terms of installation options. They can be mounted on walls, ceilings, or floors, depending on your preferences and space constraints. Additionally, consider whether you want a ductless system that requires professional installation or one that can be easily installed as a DIY project.

9. Coils

The type and quality of coils used in a ductless air conditioner can affect its performance and durability. Opt for units with durable and corrosion-resistant coils, such as copper coils, which offer efficient heat transfer and are less prone to leaks or damage over time.

Ductless Air Conditioners – FAQs

1. How does a ductless air conditioner work?

Ans: Ductless ACs use refrigerant to absorb heat from indoor air and release it outside through the compressor. The cooled air is then distributed back into the room through the indoor unit.

2. Are ductless air conditioners energy efficient?

Ans: Yes, ductless ACs are often more energy-efficient than central air systems because they don’t suffer from duct losses. Additionally, you can set different temperatures for individual rooms, saving energy.

3. Can ductless air conditioners provide heating as well?

Ans: Yes, many ductless systems offer both cooling and heating functions, making them suitable for year-round use. They use a reversing valve to switch between heating and cooling modes.

4. Are ductless air conditioners easy to install?

Ans: Ductless ACs are typically easier to install than traditional central air systems since they don’t require ductwork. However, professional installation is recommended to ensure proper setup and efficiency.

5. What are the advantages of ductless air conditioners?

Ans: Ductless ACs offer customizable comfort, energy efficiency, quiet operation, and flexibility in installation compared to traditional ducted systems.

6. Can ductless air conditioners improve indoor air quality?

Ans: Yes, ductless systems often come with advanced filtration options, such as multi-stage filters or ionizers, to remove dust, allergens, and other airborne particles, improving indoor air quality.

7. What size ductless air conditioner do I need?

Ans: The size of the ductless AC unit depends on factors like room size, insulation, and climate. It’s essential to consult with a professional to determine the right size for your space.

8. Do ductless air conditioners require regular maintenance?

Ans: Yes, like any HVAC system, ductless ACs benefit from regular maintenance, including cleaning filters, checking refrigerant levels, and inspecting components for wear and tear.

9. Are ductless air conditioners expensive to operate?

Ans: While initial costs may be higher than window units, ductless ACs can be more cost-effective to operate, thanks to their energy-efficient design and zoning capabilities.


Selecting the ideal ductless air conditioner involves carefully assessing several factors such as cooling capacity, energy efficiency, noise level, and additional features. By conducting thorough research and comparing different models, homeowners can find a unit that meets their specific needs and preferences. Prioritizing quality and reliability is essential to ensure long-term satisfaction with your purchase. With the right choice, you can enjoy comfortable indoor temperatures while also reducing energy costs. It’s important to remember that proper installation by a certified professional is crucial for optimal performance.

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