12 Best Mini Split Air Conditioners (Review) In 2021

The Pioneer WYS036G-17 Air Conditioner is the best mini split system that cools, heats, dehumidifies, and provides ventilation! This efficient unit uses 36,000 BTU with a SEER rating of 16. Recommend for single-zone residential or light commercial uses ideal for spaces between 300-450 sq. ft. Perfect for your bedroom, this unit runs quietly, whether cooling or heating. The indoor unit features a sleek front panel with LED display that can be dimmed with a multi-speed motor, both of which can be controlled with the easy to use, LCD display remote controller. With a convenient permanent washable filter, as well as other filter options, moisture can also be removed from the air. For those that experience power outages will know the trouble they can cause for appliances; luckily, this model uses an auto-restart function so that it will resume the mode set prior to the outage without you needing to worry!

The variable-speed compressor is housed in the outdoor unit, made of double galvanized metal with electrostatic epoxy paint. The included installation kit provides you with insulated copper tubing with flare connections, putty, wrapping tape, interconnecting signal wiring, wall sleeve liner and cap, and a drain line extension. The attractive indoor unit measures 31.5 x 7.5 x 11.5 inches and the outdoor housing measures 31.5 x 13 x 22 inches. You will also receive a two-year parts warranty and a five-year warranty on the compressor.

This Energy Star certified MRCOOL Mini Split Air Conditioner combines efficient heating and cooling with smart features that allow for Wi-Fi connectivity and app control. Suitable for rooms up to 1,00 sq. ft., this 20 SEER rated ductless unit operates at 12,000 BTU both when cooling and heating; running at 120v. The simplistic yet sophisticated indoor smart air conditioner uses either a wireless remote control with a large LCD display or you can download the SmartHVAC app to control your mini split air conditioner no matter where you are, whether you need to adjust the settings or view current temperature. The app is also compatible with Amazon Alexa and Google Home Assistant which allows for use of voice commands.

For rooms that are highly sensitive to temperatures like server rooms or greenhouses, the low ambient cooling feature cools these areas down to as low as 5 degrees Fahrenheit. When the refrigerant begins to run low, it will alert you so that no damage can occur to the variable speed compressor. Unlike other models that can be difficult to install, this mini split AC is an easy DIY project, as it does not require any training, special tools or equipment; complete with a 25′ lineset. The indoor ductless unit measures 31.57 x 7.44 x 11.69 inches and the outdoor unit is 31.50 x 13.11 x 21.81 inches. Includes a five-year parts warranty and a seven-year compressor warranty.

Perfect for rooms between 400-750 sq. ft., the Senville SENL-12CD Mini Split Air Conditioner is the perfect choice if you are wanting a ductless mini split unit for your bedroom or living area that uses whisper-quiet technology. Its 4-in-1 design allows for air conditioning, heating, ventilating and dehumidifying, using 12,000 BTU and has a SEER rating of 19. The large wireless remote control is easy to use and displays the room’s current temperature on the LCD display so you can easily switch between modes as required. The turbo function, which can be selected by using the remote, guarantees an even distribution of hot or cold air; the built-in heat pump lets you easily switch between heating and cooling.

Maintenance of your mini split unit is made much easier due to the washable and replaceable filters. Installation does require a professional, but an installation kit that includes a 16′ lineset and wiring harness is provided. The sleek, indoor unit measures 31.69 x 11.22 x 7.64 inches and the outdoor compressor housing measures 30.31 x 11.81 x 21.85 inches. You will also receive a two-year guarantee on the parts and a five-year guarantee on the compressor.

Perfect for room coverage up to 1,000 sq. ft., the DAIKIN 18,000 BTU Wall-Mounted Ductless Mini-Split A/C is our large room pick as it highly effective in heating and cooling with its variable-speed compressor and built-in heat pump; running at 18,000 BTU with a SEER rating of 17. The wide-angle louver vent helps evenly distribute hot or cold air throughout the room; the auto-swing and comfortable mode also contribute to this. The indoor unit runs quietly at 37 dB, but can be reduced by 2-3 dB when the quiet mode is selected; the outdoor unit does run a little louder at 51 dB, but when you consider that normal conversation is about 60 dB, it does put into perspective the quiet efficiency of both the indoor and outdoor units.

The wireless control allows you to easily switch between modes, adjust the temperature, and set a timer. Complete with a 15′ installation kit that helps with easy installation. You will also receive a 10-year limited manufacturer warranty.

Searching for a multi-functional ductless mini split AC unit? The Klimaire Ductless Mini-Split Inverter Air Conditioner heats the air with the built-in heat pump, cools the air, has an option for dedicated dehumidification, and a choice of fan speeds. Ideal for smaller rooms up to about 550 sq. ft., this model is the best ductless mini unit for functionality and maintenance while being highly efficient, using 12,000 BTU and offering a 19 SEER rating! The incredible self-cleaning function cleans and dries out the evaporator within the unit, which prevents the growth of mildew that can typically occur, giving you a cleaner, healthier air quality.

If you have a vacation planned, don’t come back to sweltering or frigid temperatures or to find your unit has frozen up, instead come home to the comfortable temperature of 46 degrees Fahrenheit when you select the Home Away function which prevents freezing. The indoor unit runs at ultra-quiet levels as low as 25 dB. The low ambient heating and cooling run in conditions as low as 5 degrees Fahrenheit, which is ideal for server rooms or greenhouses that require heat even in the height of the bitter winter. The wireless remote control is easy to use and includes a wall-mounted holder, so no more misplacing the remote! The convenient quick-hook design of the indoor unit makes installation even easier; there is a 15′ installation kit included as well an indoor wall bracket. This unit includes a five-year manufacturer warranty.

If you are looking for the best value without compromising on features, the Innovair Air Mini Split Conditioner Inverter will not disappoint! While running at high energy efficiency, 12,000 BTU and SEER rating of 16, you have a choice of multiple modes that include turbo cooling and dehumidifying. Ideal for smaller rooms between 450-600 sq. ft., its quiet operation makes it ideal in bedrooms and offices. The HD air purifying filter helps provide you with cleaner, better air quality.

The hidden LED display panel on the sleek indoor unit is controlled with the easy to use wireless remote; the indoor unit measures 31.5 x 7.5 x 11.75 inches. There is also the option to control the unit with your smartphone or smart home systems as this model is Wi-Fi ready. The outdoor unit is pre-charged up to 25ft and measures 30.25 x 11.75 x 21.75 inches. Both the indoor and outdoor units are ready to install and are provided with a 10′ installation kit.

Our premium pick, the Cooper and Hunter Dual 2 Zone Mini Split Air Conditioner, provides dual coverage for a total of 24 000 BTU. This Energy Star certified ductless mini split has an excellent SEER rating of 21.3. With a built-in heat pump, you have the option for cooling in and heating in two zones in your home or office. Featuring whisper-quiet technology, you can be sure of a peaceful night’s sleep. There is the ambient cooling option up to 13 degrees Fahrenheit, which allows you to heat rooms with ease.

Each indoor unit has its own wireless remote, which allows you to easily adjust the temperature and choose your preferred mode. These units are Wi-Fi ready, so they can connect your smartphone to make for easy control whether you are near the unit or not; an additional adapter is required for this feature. The outdoor unit is pre-charged with 50ft. You will also be provided with a copper lineset and communication wires. With your purchase, you will receive a five-year warranty on parts and a seven-year warranty on the compressor.

If you are looking for a mini split AC for medium to large rooms, the Air-Con Ductless Air Conditioner is perfect for rooms up to 1,500 sq. ft. The powerful 24,000 BTU split system has an impressive 20.5 SEER rating, providing you with efficient heating, cooling, and dehumidifying modes. With smart functions like auto-restart after a power outage and last-setting memory, this ductless mini split is hassle-free! There is also an auto-clean option if you truly want to make this unit hassle-free; this option will help prevent the occurrence of mildew that is generally associated with the fans and filters on air conditioning units. The louver motion operates in both a horizontal and vertical manner, providing evenly distributed air to your room and offers seven fan speeds to suit your needs.

This system is Wi-Fi ready for easy control from your smartphone; the wireless remote provided with the unit is easy to use and comes with a wall-mount. The indoor and outdoor units come ready to install with a pre-charged compressor and 12′ copper lineset and electrical wiring. Your purchase gives you a 5-year warranty on parts and a 7-year warranty on the compressor.

For small rooms up to 400 sq. ft., the Bosch Ultra-Quiet Mini Split Air Conditioner provides heating and cooling at 12,000 BTU, with a SEER rating of 20.7. Perfect for areas that experience extreme heat or cold, the ambient cooling and heating make sure you keep comfortable despite the weather outside of your home. The indoor ductless air conditioning unit has a sophisticated yet simple design, perfect for the modern home. With features like silent mode, which operates at an ultra-quiet level of 20 dB, and a 24-hour timer, this system provides versatility, which is exactly what you want when searching for a ductless mini split air system; all modes can be selected from the easy to use, back-lit wireless remote.

The filtration system used in this unit is made up of several parts, which makes it easy to remove and clean. Installation is easy with the provided 16′ lineset and pre-charged outdoor unit. The indoor mini split AC measures 11.81 x 31.65 x 7.60 inches, and the outdoor compressor housing measures 21.81 x 31.5 x 13.11 inches. There is a 5-year, limited residential warranty on parts and 7-year on the compressor included with your purchase.

The YMGI Ductless Mini Split DC Inverter Air Conditioner, featuring 9000 BTU is suitable for areas between 350-400 sq. ft. With a variable speed compressor and heat system, you can heat and cool your room with three fan speeds. The wide-angled louver motion and auto-swing allows for an even distribution of air. With a dedicated dehumidifying and air purification option, you can trust that your air quality will be improved. With a whisper-quiet sleep mode, you can enjoy the comfort of heated or cool air as you sleep. Other great functions, all of which can be selected from the wireless remote control, including turbo mode, auto restart and allows for you to set a timer, up to 24 hours.

Most indoor units can be quite heavy, but this ductless mini split air AC is relatively lightweight, weighing 25.4 pounds, aiding with easy installation. The indoor and outdoor units measure 30.3 x 11.1 x 7.9 inches and 33.4 x 12.6 x 21.3 inches respectively. Included with your purchase are a 15′ installation kit and a one-year warranty on parts and a five-year warranty on the compressor.

With 12,000 BTU and for use in rooms up to 750 sq. ft., the Della Mini Split Air Conditioner is highly efficient, operating at a SEER rating of 17. This ductless mini split AC includes a built-in heat pump and offers cooling, heating, dehumidification, and ventilation. You have a choice of multiple fan speeds, I FEEL function, and a range of automated features like auto-defrost, auto-clean, eco-energy saving mode, and a 24-hour timer, you can enjoy the comforts of this ductless air conditioning system without complicated programming, making it so easy to use with the remote control. Keep the controller by your side and set the follow me an option for the controller to determine the temperature based on where it is at and adjust accordingly!

The ductless mini split AC indoor unit measures in at 35 x 8 x 12 inches and the outdoor compressor unit measures 29 x 12 x 22 inches. A full installation kit is included.

With a lengthy 12 year warranty, the DAIKIN 9,000 BTU Wall-Mounted Ductless Mini-Split A/C is the best ductless air conditioner for its competitive warranty. Heat and cool rooms up to 350 sq. ft., using 9,000 BTU with a SEER rating of 19. With handy features like auto-fan speed control, auto-defrost, auto-restart, and anti-changeover, this mini split air conditioning unit runs like a breeze and is all controlled with the touch of a few buttons on your remote control; the compact remote has an extending section that reveals a range of functions you can select.

Running at super quiet levels as low as 19 dB, your daily activities or sleep won’t be interrupted unlike with clunky, noisy central air systems. Should your mini split system face any issues, it has a self-diagnostics feature with a digital display, so you can deal with issues as they arise, preventing damage to the mini split system. There is a 15′ installation kit included.