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The 5 Best Ductless Air Conditioners Reviews & Buying Guide

There’s no denying the importance of a reliable air conditioning system, especially during scorching summer months or in areas with consistently warm climates. For many homeowners, ductless air conditioners have emerged as a popular choice, offering efficient cooling without the need for extensive ductwork. In this comprehensive guide, we delve into the realm of ductless air conditioners, exploring their features, benefits, and why they might be the best option for your cooling needs.

But what exactly are ductless air conditioners? 

Ductless air conditioners, also known as mini-split systems, provide targeted cooling to specific areas or zones within a home. Unlike traditional central air systems that rely on ducts to distribute cooled air throughout the entire house, ductless units consist of an outdoor compressor unit connected to one or more indoor air handlers via refrigerant lines. This setup allows for customizable cooling solutions, making ductless systems particularly suitable for homes without existing ductwork or for room additions where extending ducts may be impractical or costly.

In recent years, the market for ductless air conditioners has expanded significantly, offering consumers a wide range of options to choose from. With varying capacities, energy efficiency ratings, and features such as programmable thermostats and advanced air filtration, selecting the best ductless air conditioner can seem daunting. That’s where our expert editorial team comes in. 

How did we test? 

Our team has thoroughly researched and tested various ductless air conditioners to bring you a curated list of the best performers available. Two editors collaborated to identify the leading brands in this category and consulted experts to determine the key factors users should consider for optimal performance.

Recognizing that users have different needs and preferences, we’ve assessed each unit based on three critical factors: cooling capacity, energy efficiency, and overall performance. Our goal is to offer our readers dependable recommendations tailored to their individual requirements.

In compiling this list, we’ve carefully considered key factors to ensure each recommendation meets top standards for performance, efficiency, and reliability. Here are the three main points we’ve focused on:

  • Power Capacity: Power capacity is crucial for cooling efficiency. It determines how effectively a ductless air conditioner can cool a given space. Units with higher power capacity can cool larger areas more efficiently, making them perfect for spacious rooms or open-plan living areas.
  • Energy Rating (SEER): Energy efficiency is vital for any home appliance, including ductless air conditioners. The Seasonal Energy Efficiency Ratio (SEER) measures cooling output divided by energy consumption over a typical cooling season. Higher SEER ratings mean better energy efficiency, potentially leading to lower utility bills and less environmental impact.
  • Cooling Area: The cooling area refers to the maximum square footage a ductless air conditioner can effectively cool. Whether you need to cool a small bedroom, large living room, or multiple rooms, it’s crucial to choose a unit with an appropriate cooling area for optimal performance.

Whether you’re cooling a single room, an entire house, or a commercial space, our guide will help you confidently navigate the world of ductless air conditioners. Be sure to check out our detailed “Buying Guide” for further information on selecting the ideal option for your needs.

Best Ductless Air Conditioners Table

Best Ductless Air ConditionersPower CapacityEnergy Rating (SEER)Cooling Area (in sq. ft.)Buy Now
Senville Ductless Air Conditioner9000 BTU19Up to 400Check On Amazon
MRCOOL Ductless Air Conditioner36000 BTU16Up to 1500Check On Amazon
Cooper & Hunter Ductless Air Conditioner9000 BTU21.5Up to 350Check On Amazon
Pioneer Ductless Air Conditioner12000 BTU19Up to 450Check On Amazon
DELLA Ductless Air Conditioner24000 BTU19Up to 1500Check 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

Buy Now From Amazon

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

Buy Now From Amazon

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

Buy Now From Amazon

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

Buy Now From Amazon

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

Buy Now From Amazon

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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