If you’re looking for an air conditioner that can save you money on your energy bills, consider a split system air conditioner. Split system air conditioners use less energy than central air conditioning systems and can cool specific rooms in your home.
Before investing in an energy efficient split system air conditioner, there are a few factors to consider. Firstly, the size of the unit should be appropriate for the space it will be cooling. An oversized unit is unnecessary and will result in wasted energy, while an undersized unit will have to work harder and use more energy to cool the space. Secondly, look for a unit with a high energy efficiency ratio (EER) or seasonal energy efficiency ratio (SEER) rating. The higher the rating, the more energy efficient the unit is. Lastly, consider the ease of installation, maintenance, and overall longevity of the unit.
Are you tired of high energy bills during the summer months? A split system air conditioner may be the solution to your problem. But with so many options available, how do you find the best one? Which brands offer the most energy efficient units? What additional features should you look for? Keep reading to find out everything you need to know before making your purchase.
10 Best Energy Efficient Split System Air Conditioner
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It is ideal for cooling and heating multiple rooms with different cooling requirements efficiently and cost-effectively.
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2
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This product is ideal for cooling and heating small or mid-sized rooms with energy efficiency and Wi-Fi control capabilities.
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3
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The product is ideal for cooling and heating rooms up to 750 sq. ft. with an energy-efficient inverter and heat pump technology.
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4
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This product is ideal for cooling and heating a bedroom or space up to 750 square feet with energy efficiency.
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5
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The product is ideal for cooling and heating small to medium sized spaces with energy efficient technology.
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6
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Ideal for cooling and heating rooms up to 750 sq.ft. with an energy-efficient 1-ton heat pump and ductless inverter system.
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7
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Ideal for cooling and heating large rooms efficiently with a ductless mini-split system. Includes lines and pads for easy installation.
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8
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Ideal for providing efficient heating and cooling to multiple zones in a residential or commercial setting.
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9
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The product is ideal for providing energy-efficient heating and cooling in a residential or small commercial setting.
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10
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Ideal for cooling/heating multiple zones up to 2300 sq.ft with energy efficient, Wi-Fi enabled ductless mini split system.
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1. Mitsubishi Tri-Zone Ductless Mini Split Set.

This product is designed to provide unmatched comfort and convenience to its users. It can cool and heat up to three separate rooms, each with a different square footage – 350 sq ft, 550 Sq ft, and 750 Sq ft. This makes it ideal for use in residential homes as well as commercial spaces.
One of the standout features of this product is its variable speed Inverter-driven compressor, which ensures that it operates quietly and efficiently. This means that users can enjoy a comfortable indoor environment without any distracting noise.
For those who live in areas with extremely low temperatures, this product has the capability to support enhanced comfort down to -4°F. This is made possible by its advanced technology and control, which ensure that the temperature is always at the desired level.
Each living space has its own air-handling unit, which means that users can customize the temperature and other settings to their liking. Additionally, each unit has its own wireless electronic temperature controller, which makes it easy to adjust the temperature from anywhere in the room.
Another feature that sets this product apart is its hot-start technology, which eliminates the cold air rush that is often experienced at start-up or re-start after defrost. This makes it more comfortable to use, especially during the colder months.
In the event of a power outage, users will appreciate the automatic restart feature, which ensures that the unit resumes operation as soon as power is restored. This means that they don't have to worry about resetting the device manually.
This product offers a choice of fan speeds, including Quiet, Low, Medium, High, and Super High. Additionally, it comes with auto fan speed control, which adjusts the fan speed based on the current temperature and other factors.
2. Pioneer® Diamante Ultra Wi-Fi Mini-Split Air Conditioner

The Pioneer Air Conditioner brings forth an ultra-efficient cooling and heating system, with a 12,000 BTU/h capacity, 22 SEER/12.5 SEER efficiency for cooling, and 10 HSPF efficiency/3.5 COP for heating. The unit operates quietly, with noise levels as low as 27 dB on the indoor section and 52 dB on the outdoor unit. With the ability to heat during -13°F weather and cool during 140°F weather, this air conditioner is designed to perform in any climate.
This unit is Wi-Fi enabled, allowing for easy programming of schedules and control of functionality through the free Pioneer app. Whether you're at home or on the go, you can adjust the settings to ensure your home is cool or warm when you arrive.
With its impressive specifications and capabilities, the Pioneer Air Conditioner is a reliable and efficient option for any household.
3. Costway Mini-Split Ac: Efficient Heating & Cooling Solution.

Introducing the Energy Efficient Cooling & Heating Split AC Unit by COSTWAY, the ultimate solution for year-round comfort. This AC unit boasts a 1 ton heat pump and a high power compressor that allows you to enjoy the convenience of cooling during summers and warming during winters. The innovative inverter technology enables the air conditioner to change the power supply frequency without frequently turning the compressor on and off, thus reducing power consumption and prolonging the lifespan of the equipment.
This 12000 BTU split-system AC unit offers 5 different working modes, including auto, cool, dry, heat, and fan mode, to meet various needs. Additionally, it comes with 4 available fan speeds (low/medium/high/auto), sleep mode, ECO mode, iFEEL & turbo function. This split air conditioner ensures that you have all-year comfort at your fingertips.
The handy remote control allows you to control this mini split AC unit conveniently from your bed or sofa. The smart 0.5-24 hour timer and low-noise operation ensure a peaceful sleep time. The display screen on the remote control turns off automatically after 10 seconds of no operation, ensuring that your sleep is not disturbed.
Designed with a self-cleaning function at high temperatures of 134.6℉ and a washable filter, this split air conditioner can automatically clean its interior and keep the air in your home fresh and clean. Furthermore, the outdoor unit features an auto-defrost function to avoid damage and improve energy efficiency.
This powerful and energy-saving split air conditioner is perfect for homes, offices, businesses, or commercial use. Due to its large size, the AC unit will be shipped in 2 separate boxes, and the delivery time may vary per box. If you receive only one package or experience any problems with the product, please do not hesitate to contact the manufacturer.
COSTWAY's superior quality and design are backed by an industry-leading 8-year manufacturer's warranty. This warranty covers 8 years of parts replacement and 8 years of compressor coverage, ensuring customers can rely on their products for years to come. It is essential to have a Licensed HVAC Installer to install this equipment.
4. Mini Inverter Ac & Heat Pump, Energy Efficient.

Looking for a reliable and energy-efficient AC unit that can provide you with both cooling and heating options all year round? Look no further than this split AC unit!
Equipped with a high-power compressor and a built-in heat pump, this unit can cool your home in the summer and warm it up during the colder months. Plus, with innovative inverter technology, it can reduce power consumption and extend the lifespan of the equipment by changing the power supply frequency without frequently turning the compressor on and off.
This 12000 BTU split-system AC unit has five working modes to choose from: auto, cool, dry, heat, and fan mode. It also has four available fan speeds (low/medium/high/auto), sleep mode, ECO mode, iFEEL, and turbo function to meet various needs, ensuring optimal comfort all year round.
With easy-to-use remote control, you can adjust the settings without leaving your bed or sofa. The smart 0.5-24 hour timer and low-noise operation ensure a peaceful sleep time. Additionally, the display screen on the remote control will turn off automatically when there is no operation within 10 seconds, avoiding any disturbance to your sleep.
This split AC unit is designed with a self-cleaning function at high temperature of 134.6℉ and a washable filter, which can automatically clean its interior and keep the air in your home fresh and clean. Moreover, the outdoor unit features an auto-defrost function to avoid damage and improve energy efficiency.
This unit is perfect for home, office, business or commercial use. Due to its large size, the AC unit will be shipped in two separate boxes. The delivery time may vary per box. If you receive only one package or have any problems with the product, feel free to contact customer support at any time.
With a voltage of 115.0 volts, this unit is a reliable and energy-efficient choice for all your cooling and heating needs. Don't hesitate to upgrade your home's comfort with this powerful split AC unit!
5. Mitsubishi Cool & Heat Inverter System

Introducing the 9,000 BTU -3/4 Ton Cooling and Heating Unit, a perfect solution to keep your room comfortable all year round. This unit is designed to cool and heat rooms up to 350 square feet, making it ideal for small to medium-sized spaces.
The unit features an inverter-driven compressor and a low noise level, which provide high efficiency comfort while using only the energy needed to maintain maximum performance. This makes it an energy-efficient option for those who want to save on their electricity bills.
The "Smart Set" feature allows pre-programming of desired settings for single button recall, making it incredibly convenient to use. Additionally, it has a 50 degrees Fahrenheit setting in Heat mode, perfect for when you want to stay warm during chilly weather.
The dehumidifying mode is great for reducing the humidity in your room, ensuring that you feel comfortable even during hot and humid days. The Jet Cool feature is also available, which provides a quick and powerful blast of cooling air for when you need it most.
The unit has an automatic restart following a power outage, ensuring that you won't have to manually reset the settings. The Night Quiet Operation feature ensures that you can have a peaceful night's sleep, without any disturbances from the unit.
6. Simoe Mini Split Ac: Heat, Cool & Save Energy

The SIMOE mini split AC is a powerful and energy-efficient air conditioning unit designed to cool or heat a 750 square foot room with ease. This air conditioner unit is equipped with a dehumidification feature that can remove up to 36 points of moisture from the air per day. It has a pre-charged air conditioner that uses a ductless mini split inverter system with 20 SEER2, 1 Ton heat pump, and inverter technology that can help save up to 31% energy.
The mini split AC comes with a self-cleaning function that automatically cleans the inside of the unit in four steps: deep condensation, frost, defrost rinse, and a 135℉ high-temperature cleaning. Additionally, the AC has a sleep mode that senses the ambient temperature and automatically adjusts to the optimal temperature, ensuring that you get a comfortable and restful sleep.
The SIMOE mini split AC is versatile and comes with multiple functions to meet different environmental needs. It has five functions: automatic, cooling, drying, heating, and fan, with four air speed settings: low, medium, high, and auto. The AC also has four intelligent modes: sleep mode, ECO (Economic) mode, i-feel (temperature sensing) mode, and self-cleaning mode.
This mini split AC has a smart sensor that can sense your ambient temperature and adjust it to the most suitable temperature for you. It also comes with a remote control that allows you to control it from bed, making it convenient to use. The AC has a wide-angle air supply with 4D airflow that can adjust the air supply angle to avoid direct blowing cold or muscle pain.
The SIMOE mini split AC is designed for convenience and enjoyment. It has a 0.5-24 hour timer and operates with a super silent <42dB noise level, ensuring a comfortable sleep. The AC unit is shipped in two separate boxes due to its large size, and the delivery time may vary per box.
The manufacturer offers a 5-year warranty for the compressor and 5-year warranty for parts. If you encounter any installation or use issues, you can contact their customer service team at any time. It is highly recommended to hire a professional air conditioning installation worker to install the unit.
7. Mitsubishi Wall Mount Mini-Split Cool & Heat Pump.

Looking for a powerful and efficient air conditioning unit for a room size up to 1000 Sq Ft.? Look no further than the 24,000 BTU – 2 Ton AC unit. Equipped with an INVERTER driven compressor and LEV technology, this unit provides high efficiency comfort while using only the energy needed to maintain maximum performance.
One of the standout features of this unit is the "Smart Set" function, which allows users to pre-program their desired settings for easy, single button recall. Additionally, the unit has a 50-degree F setting in Heat mode, perfect for those colder winter months.
The unit also includes a dehumidifying mode and Jet Cool function for quick and efficient cooling. In the event of a power outage, the unit will automatically restart following restoration of power.
For those who value peace and quiet, this unit also offers Night Quiet operation. Say goodbye to noisy and disruptive AC units and enjoy cool and comfortable nights of restful sleep.
8. Diamante Ultra Triple Split Air Conditioner

Introducing the Ultra-high efficiency inverter++ ductless multi split triple (3) zone heat pump system, the perfect solution for your cooling and heating needs. This system has been certified by ENERGY STAR for its energy efficiency and is Wi-Fi enabled with a free Smartphone app (Pioneer Airlink) for easy control.
With a cooling capacity of 24,000 BTU/H (range: 7,200 minimum – 26,400 maximum) and 22 SEER/12.5 EER efficiency, this system is designed to keep you cool and comfortable even during the hottest days of summer. On the other hand, with a nominal heating capacity of 26,000 BTU/H (range: 7,800 minimum – 28,600 maximum) and 10 HSPF/3.5 COP efficiency, it can keep you cozy and warm during colder months.
This system is perfect for a multi-zone setup, with the ability to cool or heat up to three zones independently. This means that you can customize the temperature in each zone according to your preference, saving you money on energy bills.
With its ultra-high efficiency, this system is environmentally friendly and helps reduce your carbon footprint. The system's advanced technology allows it to operate quietly, ensuring that you can enjoy a peaceful environment.
9. Mitsubishi 18k Btu Ductless Cool/heat System

The 18,000 BTU -1.5 Ton air conditioning unit is designed to provide efficient and comfortable cooling and heating for rooms up to 750 square feet in size. This unit features an INVERTER driven compressor and LEV, which work together to provide high efficiency performance while using only the necessary amount of energy to maintain maximum comfort.
The "Smart Set" feature allows users to pre-program their desired settings for easy single button recall. Additionally, this air conditioner features a 50 degrees F setting in Heat mode, making it perfect for use during cold weather.
With its dehumidifying mode and Jet Cool feature, this air conditioning unit is capable of quickly and effectively removing excess moisture from the air, ensuring a comfortable and healthy indoor environment.
In the event of a power outage, the automatic restart function ensures that the unit will resume operation as soon as power is restored. And with its Night Quiet Operation feature, this air conditioner runs quietly and won't disturb your sleep.
10. Della Tri-Zone Mini Split Air Conditioner

Introducing the Della 3 Zone 36000 BTU/h, 19 SEER, 208-230V, ETL listed, AHRI certified pre-charged air conditioner unit – a ductless mini split inverter plus system with a heat pump that is perfect for those looking for an energy-efficient cooling solution. With DC Inverter technology, this unit can provide up to 30% power savings, making it an excellent investment for those who want to save on their electricity bills.
This air conditioner comes with three indoor air handlers, each with a capacity of 9000 BTU, 9000 BTU, and 24000 BTU, respectively. It also has a separate controller for each room, allowing you to enjoy individual temperature controls in each space for the perfect climate control. The unit can provide cooling and heating for up to 2300 Sq. Ft (2 indoor units are recommended for an area of 400 Sq. Ft, and one for 1500 Sq. Ft), making it ideal for multiple rooms.
Designed with a strong system, this air conditioner comes with several smart functions that make it easy to use. The 4D air flow feature ensures that air is distributed evenly across the room, while the I feel mode allows the unit to adjust the temperature according to the user's preferences. It also has a 24-hour timer, sleep mode, eco-energy saving mode, multiple fan speeds, turbo function, heating, cooling, dry, and auto modes, making it a versatile and convenient unit to have.
This air conditioner also operates quietly, producing only 51 dBa of noise, ensuring a peaceful environment. It has an equal airflow distribution system that can adjust to temperatures ranging from 60-90 degrees Fahrenheit, making it effortless to achieve your desired comfort level in just a few minutes.
With the Della 3 Zone air conditioner, you don't have to worry about additional installation costs, as a full installation kit is included. It can also work efficiently in environments as low as 5 degrees Fahrenheit, making it suitable for use in various climates.
Best Energy Efficient Split System Air Conditioner FAQs
Are there any government incentives or rebates available for purchasing an energy-efficient split system air conditioner?
Yes, there are various government incentives and rebates available for purchasing energy-efficient split system air conditioners. These incentives and rebates vary depending on the country and state you live in. For instance, in the United States, the federal government offers a tax credit of up to $300 for purchasing energy-efficient air conditioners. Additionally, some states offer rebates and incentives for purchasing energy-efficient HVAC systems, including split system air conditioners.
In Australia, the government offers the Small-scale Renewable Energy Scheme (SRES), which provides financial incentives for installing eligible small-scale renewable energy systems, including split system air conditioners. The amount of the rebate varies depending on the energy efficiency rating of the air conditioner and the size of the unit.
It's essential to check with your local government or energy provider to determine the available incentives and rebates in your area. These incentives and rebates can significantly reduce the initial cost of the system and help you save money on energy bills in the long run.
Can an energy-efficient split system air conditioner help reduce my carbon footprint?
Yes, an energy-efficient split system air conditioner can definitely help reduce your carbon footprint. Split system air conditioners are designed to be more energy-efficient than traditional air conditioning systems, which means they use less energy to cool your home or office. This translates to lower energy consumption and reduced carbon emissions, which makes them a more sustainable choice for the environment.
Energy-efficient split system air conditioners are designed to consume less electricity by using advanced technologies such as inverter technology, which adjusts the compressor speed according to the room temperature. This means the air conditioner will use only the amount of energy required to maintain the desired temperature in the room, resulting in a significant reduction in energy waste.
Apart from this, energy-efficient split system air conditioners also use eco-friendly refrigerants, which have a lower impact on the environment compared to traditional refrigerants. So, by using an energy-efficient split system air conditioner, you can not only reduce your carbon footprint but also save money on your energy bills in the long run.
How do I choose the best energy-efficient split system air conditioner for my home?
Choosing an energy-efficient split system air conditioner for your home requires careful consideration of several factors. Firstly, you should determine the size of the unit you need according to the size of the room you want to cool. Secondly, look for units with high Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER) ratings. The higher the ratings, the more efficient the unit will be in cooling your room while consuming less energy. Look for units with an EER of at least 11 and a SEER of 14 or higher.
Thirdly, consider the features of the unit. Look for units with programmable thermostats, multiple fan speeds, and sleep modes. Fourthly, check for the noise level of the unit and choose one that operates quietly. Finally, choose a reputable brand with a good warranty and after-sales service.
It is also recommended to have a professional assess your home's cooling needs and recommend the best unit for your specific requirements. By considering these factors, you can choose the best energy-efficient split system air conditioner for your home, which will not only save you money on energy bills but also provide optimum cooling comfort.
How does an energy-efficient split system air conditioner compare to other types of air conditioning systems in terms of energy efficiency?
An energy-efficient split system air conditioner is one of the most efficient types of air conditioning systems available in the market. It is designed to provide high cooling performance while consuming less energy than traditional air conditioning systems. Compared to other types of air conditioning systems, such as window units and central air conditioning systems, split system air conditioners are more energy-efficient.
Window units are typically less efficient than split system air conditioners because they are designed to cool a smaller area and are not as sophisticated in terms of their technology. Central air conditioning systems, on the other hand, can be highly efficient, but their energy consumption depends on the size of the unit and the efficiency of the ductwork.
Split system air conditioners are designed to cool specific areas of a home or business, which means they consume less energy than central air conditioning systems. Additionally, split systems have a higher SEER rating (Seasonal Energy Efficiency Ratio) than window units, which makes them more energy-efficient. In summary, an energy-efficient split system air conditioner is more efficient than window units and can be just as efficient as a central air conditioning system, depending on the size of the unit and the efficiency of the ductwork.
How much can I save on my energy bill by switching to an energy-efficient split system air conditioner?
The amount you can save on your energy bill by switching to an energy-efficient split system air conditioner depends on various factors such as the size of your home, the temperature you typically set your thermostat at, and the efficiency rating of your current air conditioning system. However, on average, a homeowner can expect to save anywhere from 20% to 40% on their energy bill by upgrading to an energy-efficient split system air conditioner.
The newer models of split systems come with advanced features like programmable thermostats, which allow you to control the temperature of your home even when you're away, and variable speed motors, which run at different speeds depending on the cooling demands of your home. These features enable you to save energy by reducing the workload of your air conditioner.
Additionally, an energy-efficient split system air conditioner uses less energy to cool your home, which means it produces fewer greenhouse gas emissions. As a result, you can not only save money on your energy bill but also contribute to a greener environment.
Overall, upgrading to an energy-efficient split system air conditioner is a smart investment that can help you save money and reduce your carbon footprint.
How often should I have my energy-efficient split system air conditioner serviced to maintain its efficiency?
To maintain the efficiency of your energy-efficient split system air conditioner, it is recommended to have it serviced at least once a year. Regular maintenance can help prevent potential problems and extend the lifespan of your unit. During the service, a professional technician will check and clean the air filters, coils, condensate drain, and other components, ensuring that they are working correctly and efficiently. They will also check for any leaks or damage to the unit and address them promptly. Neglecting regular maintenance can cause your air conditioner to work harder, consume more energy, and even lead to breakdowns. So, scheduling annual maintenance for your energy-efficient split system air conditioner is crucial to maintain its efficiency and save on your energy bills.
What are some features to look for in an energy-efficient split system air conditioner?
When selecting an energy-efficient split system air conditioner, there are few important features to consider. Firstly, look for an air conditioner with variable speed compressors that can adjust the cooling output according to the room's temperature. This will help the unit to consume less energy and reduce your electricity bills. Secondly, look for an air conditioner with a high SEER (Seasonal Energy Efficiency Ratio) rating, which indicates how efficiently the unit uses energy to cool the room. A higher SEER rating means the unit is more energy-efficient. Thirdly, opt for an air conditioner with a programmable thermostat that allows you to set the temperature according to your preferences. This feature saves energy by reducing the workload on the unit. Lastly, consider a unit with a filter that can be easily cleaned and replaced. A clean filter ensures the unit operates efficiently and helps to maintain good air quality. By selecting an energy-efficient split system air conditioner with these features, you can save money on energy bills while ensuring a comfortable indoor environment.
What are the benefits of investing in an energy-efficient split system air conditioner?
Investing in an energy-efficient split system air conditioner can have several benefits for homeowners. Firstly, energy-efficient systems use less electricity to run, which can lead to significant savings on energy bills over time. Additionally, these systems are typically designed to operate more quietly and with greater precision, providing more consistent and comfortable cooling throughout the home.
Energy-efficient split systems also tend to have longer lifespans than traditional air conditioning systems, providing greater durability and reliability over time. Another benefit is that many energy-efficient systems are designed to be more environmentally friendly, with reduced emissions and lower carbon footprints compared to traditional systems.
Overall, investing in an energy-efficient split system air conditioner can provide significant cost savings, increased comfort and convenience, improved environmental sustainability, and greater overall value for homeowners.
What are the most energy-efficient split system air conditioners available on the market?
There are several highly energy-efficient split system air conditioners available in the market, but the specific model that would be the most energy-efficient for you depends on your specific needs and preferences. Some of the most energy-efficient split system air conditioners include LG LS120HSV5, Mitsubishi MUZ-FH, Fujitsu 15RLS3H, Daikin FTXS12LVJU, and Carrier Infinity 24VNA9. These models have a high SEER (Seasonal Energy Efficiency Ratio) rating, which is a measure of the unit's efficiency. It is essential to consider the size of your space, your usage patterns, and your budget when selecting an energy-efficient split system air conditioner. Additionally, you can consider models that come with additional features such as programmable thermostats, air purifiers, and dehumidifiers to enhance the unit's efficiency and performance. It is advisable to consult with a professional HVAC contractor to help you choose the best energy-efficient split system air conditioner for your needs.
What is the lifespan of an energy-efficient split system air conditioner?
The lifespan of an energy-efficient split system air conditioner can vary depending on several factors such as the quality of the unit, how well it is maintained, how often it is used, and the climate it operates in. However, on average, a well-maintained split system air conditioner can last between 12 to 15 years.
Regular maintenance is key to extending the life of your air conditioner. This includes cleaning or replacing air filters, checking and cleaning the condenser coils, lubricating moving parts, and ensuring proper refrigerant levels.
It's also important to note that if your air conditioner is frequently breaking down or not performing efficiently, it may be time to consider replacing it rather than continuously repairing it. Upgrading to a newer, more energy-efficient model can not only improve the comfort of your home but also save you money in the long run through reduced energy costs.