Ductless air conditioners also are known as mini-split ACs. They collect the warm air, excess moisture and heat from the inside and dump it outside. These air conditioners blow the air directly into the area it is cooling.
Usually, these systems cool just one room. Unlike the central ac system, these do not have ducts to carry the cool air to various parts of the property. There are three components in a ductless air conditioner;
An evaporator or blower unit that is mounted on the indoor wall. This unit is sleek and compact. It draws the indoor air over the cooling coils and blown right back into the room. While simultaneously removing the excess heat and moisture or condensate to the outside via a plastic tube or a conduit.
Read our latest guide about the best window AC units.
A conduit is a channel or tubing connecting the indoor unit to the outdoor one. These are a bundle of power cables; condensation drain and refrigerant tubing. It also feeds power to the indoor and outdoor units. A refrigerant gas circulates between the two units via a copper tubing. There is an exchange of heat. The captured heat and condensation are conveyed to the outside via the condensation drain.
The condenser is the outside unit that removes the heat from indoors to dump it outside. It has a fan, a compressor, and an expansion valve. The fan cools the coils. The compressor circulates the refrigerant. The expansion valve turns the heated refrigerant into a frosty liquid to cool the indoor coils.
Table of Contents
1. Klimaire 12,000 BTU KSIV 19 SEER
Price: $729.00
This is a ductless air conditioner with an inverter and heat pump system. The unit is accompanied by an installation kit and 15 feet of cable and pipes.
Design & features
Klimaire 12,000 BTU KSIV 19 SEER comes with a DC inverter. There is an indoor and outdoor unit 15 feet of installation and accessories, connecting cables and remote control. The outdoor unit is pre-charged with the refrigerant and has 25 feet of lines. There is a base pan and compressor heater built-in to improve efficiency. The unit has an anti-corrosive golden fin built-in to prolong the unit’s life. The unit is loaded with features that improve the user experience and save power. There is an auto-clean function that blow-dries the evaporator. This prevents the buildup of mildew, keeping it fresh for the next operation. The unit is very quiet (25dB) beside it cools and heats (up to 5°F) an area of 550 square feet. There is an infrared remote control, turbo operations, auto restart, sleep mode, follow me and much more.
Functionality & application
Klimaire 12,000 BTU KSIV 19 SEER has an indoor and outdoor unit. The indoor unit has an inverter that optimizes the usage of energy and quietens the operation. You will have low energy bills even with exceptional heating and cooling capacities. you can select fan speeds along with dedicated dehumidification. There is sleep mode, clean function, and turbo function. The auto-clean function dries and evaporates the water to maintain the air quality inside the house. You can maintain your home at a cozy 46º F for long intervals using the Home Away freeze protection. The remote control allows manual operation of the unit when necessary.
The Quick Hook Design helps install the unit on the wall fast and easy. There is a gap for pipeline installation along with the left and right adjustment. The outdoor unit has an automatic defrost that prevents condensation. This prevents damage from the freezing and expansion of water in the pipes of the compressor. There is a built-in pan heater that operates in temperatures as low as 5º F. The compressor heater ensures reliability and longevity. The outdoor unit is compact at has a very small footprint on the ground. Besides, it can be mounted on a wall using brackets.
Specifications & capacity
Klimaire 12,000 BTU KSIV 19 SEER will function in temperatures as low as 5°F, it will heat and cool areas of 550 square feet.
Additional features
Klimaire 12,000 BTU KSIV 19 SEER pack includes an indoor and outdoor kit. There are remote control and wall brackets, 15-foot pipe and cables, and an installation manual. The unit is supported by a 5-year warranty.
Pros
- DC inverter
- Self-clean
- Follow me
- Timer
2. Cooper and Hunter 2-Zone Ductless Air Conditioner
Price: $2,691.00
This is a two-zone ductless AC that is precharged with the refrigerant. The package includes two 25-inch line sets.
Design & features
Cooper and Hunter 2-Zone Ductless Air Conditioner package has two blower units that will connect with a condenser unit. There are two sets of 25-foot line sets and remote control. You get the right size of a mini air conditioner to cool the right size of rooms. These units with zoning features will direct cool air right into the room. They are operated by remote control.
Functionality & application
Cooper and Hunter 2-Zone Ductless Air Conditioner set cools, heats and dehumidifies your home. This multi-sone split AC will do its job even when the outside temperature is 13F. The unit works silently and saves up to 60% of the power. It is loaded with functions such as auto clean, auto swinging louvers and multiple fan speeds. The unit runs on inverter technology it has a frictionless brushless motor that works quietly and does not wear or heat up. There are dehumidifier and auto-clean features. the unit also runs a self-diagnostic in case of a malfunction. It has a 24-hour timer and sleep mode. It heats and cools using a remote thermostat.
Specifications & capacity
Cooper and Hunter 2-Zone Ductless Air Conditioner have two parts the indoor and outdoor units. The compressor has a cooling capacity of 17000 – 19000 BTU/hr. It has a SEER rating of 21 HSDF ratings of 10 and a noise level of 62dB. The unit is 33 inches by 28 inches by 14 inches. The air handlers are 9000 BTU/hr. with a line set size of 1/4 and 3/8 inches. It is 32 inches by 7 inches by 12 inches. The other unit is 12000 BTU/hr. with a line set of 1/4 and 1/2 inches. The unit is 32 inches by 7 inches by 12 inches in dimensions.
Additional features
Cooper and Hunter 2-Zone Ductless Air Conditioner pack arrive with a compressor charged with the refrigerant. There are two air handlers, two remotes and 25-foot line sets for installation. The unit is supported by a 7-year warranty.
Pros
- Power saving
- Two blowers & 1 compressor
- Cooling capacity 1000 sq. ft
- Pre-charged
3. Air-Con Int. 1.5 Ton Air Conditioner
Price: $1,373.00
This is a mini air conditioner with a 23 SEER rating. It comes with a 12-inch line set and wiring to facilitate a quick installation. The compressor is pre-charged with a refrigerant and fitted with a DC inverter for quiet efficiency.
Design & features
Air-Con Int. 1.5 Ton Air Conditioner will keep you warm or cool no matter what the temperature outside. This quiet ductless air conditioner used less electricity and cuts down your power bills by 60%.
Functionality & application
Air-Con Int. 1.5 Ton Air Conditioner has an inner and outer unit. The air conditioner has adjustable louvers, a 24-hour timer and 7 speeds on the indoor fans. The unit cools and heats with the remote thermostat. It can also be put in a sleep mode to save electricity.
Specifications & capacity
Air-Con Int. 1.5 Ton Air Conditioner has an indoor and outdoor unit. The unit uses 208 – 230 volts of power at 60 Hertz at 1595 watts and 12 amperes. The cooling and heating capacities are 18000 and 19000 BTUs respectively. The SEER and HSDF ratings are 23.3 and 11.6 respectively. The unit will cover 1000 square feet of area. It will function in ambient temperatures – 4F for heating and 5F for cooling. The air handlers come with a line set of 1/4 and 1/2 inches. They produce very little sound 34 – 45 dB. The unit is 43.4 inches by 13.8 inches by 9.6 inches in dimensions. The compressor produces 55 dB of sound. The unit is 33.9 inches by 25.5 inches by 12.4 inches in dimensions.
Additional features
Air-Con Int. 1.5 Ton Air Conditioner package contains a pre-charged compressor, an air handler, and its bracket. There are remote control and 12-inch copper line set and electrical cable. The unit is supported by an installation manual and a 7-year warranty.
Pros
- Adjustable louvers
- 7 speeds on indoor fans
- Cools & heats
- Sleep mode
4. Senville SENL-09CD
Price: $789.99
This is a mini air conditioner with a cooling capacity of 900BTU/hr. the unit functions at 110 – 120 volts.
Design & features
Senville SENL-09CD is a four in one air conditioner with a heat pump. The unit heats and cools the area and has a built-in dehumidifier. There is a fan and the unit has the turbo function to renew the air of the room quickly. The unit is suitable for home and commercial applications. It has a quiet operation of 25 dB and is energy efficient even in the harshest climates. This unit will require professionals for installation.
Functionality & application
Senville SENL-09CD will heat and cool your home through the year. The compressor has a DC inverter that brings efficient heating and cooling. These units of the LETO Series by Senville will condition air up to 5F/-15C. It also beings heating, cooling and dehumidifying functions that keep you cool and comfortable. The model is easy to maintain as it has removable and washable filters. The compressor brings you the latest cooling and heating technology due to the DC inverter. It not only saves power but also manages the heat pump throughout the year. The turbo technology cools and heats the room uniformly.
Specifications & capacity
Senville SENL-09CD requires a power supply of 110 volts and has a SEER rating of 19. The heat pump functions up to 5°F. The dimensions of the indoor unit are 32.87 inches by 7.8 inches by 11.02 inches. The dimensions of the outdoor unit are 30.31 inches by 11.81 inches by 21.81 inches. The HSPF5 is 7.2 and HSPF4 is 8.5 and it covers an area of 100-450 square feet.
Additional features
Senville SENL-09CD kit includes 16 feet of communication and pre-flared copper lines. There is a remote control, an indoor unit, and an outdoor pre-charged unit. The air conditioner is supported by a 5-year warranty.
Pros
- Washable filters
- Built-in et pump
- Turbo function
- Heats & cools
5. Daikin 9,000 BTU Mini Split Heat Pump
Price: $1,167.00
If you’re looking to heat or cool a specific room in your home—like a bedroom, sunroom, garage, or office—the Daikin 9,000 BTU Entra R32 Series Mini Split System is an excellent solution. Compact in size but powerful in performance, this ductless unit combines quiet operation, energy efficiency, and all-season comfort in one sleek package.
Efficient Cooling and Heating Performance
The Daikin mini split delivers 9,000 BTUs of cooling power and 9,400 BTUs of heating capacity, ideal for spaces up to 400 square feet. It uses advanced DC Inverter technology to maintain your desired temperature while consuming less power. Whether you’re trying to cool a room during a heatwave or warm up on a chilly morning, the system automatically adjusts to meet your needs without wasting energy.
Versatile for All Seasons and Climates
The Daikin Entra system operates in a wide temperature range, cooling efficiently between 50°F and 115°F and heating effectively from 5°F to 65°F. This makes it a dependable solution for various climates, from warm southern summers to cold northern winters.
Smart Features for Better Living
This unit comes with a range of helpful features, including:
- ECO+ mode for energy savings
- Powerful Operation mode for rapid heating or cooling
- Blue Fin protection for durability
- Titanium Apatite filter to clean indoor air
It also includes a remote control, a 24-hour timer, and swing function, giving you full control over your indoor climate.
Easy Installation with Everything Included
This package includes both the indoor and outdoor units, a 15-foot installation kit with line set and cables, and a wall mounting bracket. With clear instructions and no extra parts required, installation is made much easier—though professional installation is recommended for optimal performance and warranty coverage.
Pros
- Energy-efficient with high SEER2 rating
- Excellent for small rooms and home additions
- Works in extreme temperatures
- Quiet operation
- Includes full installation kit
- Uses eco-friendly R-32 refrigerant
Cons
- Only suitable for spaces up to 400 sq. ft
- Requires 230V power supply
- May need professional installation to maintain warranty
- Not ideal for whole-house use
6. TOSOT 33,600 BTU Cosmo Series Mini-Split
Price: $2,499.99
If you’re trying to keep a larger space comfortable year-round, the TOSOT Cosmo Series 33,600 BTU mini-split Air Conditioner is worth a look. It’s got a solid mix of power, energy efficiency, and smart features — and it’s quiet enough for bedrooms and offices.
With 33,600 BTUs of cooling power, this unit can handle rooms up to 1,500 square feet. Whether you’re dealing with summer heat or winter chill, it’s built to keep things comfortable. It can cool even when it’s 122°F outside, and it heats in temps as low as -13°F — perfect if you live somewhere with temperature extremes.
Smart Features That Make Life Easier
What makes the Cosmo stand out is the Wi-Fi and voice control. You can adjust settings from your phone using the Gree+ app, or go hands-free with Alexa or Google Assistant. It’s great when you’re already in bed or coming home and want the room ready. One of the highlights is how quiet it runs. At just 22–36 dB, it’s quieter than a fridge — seriously. You could easily sleep or work without even noticing it’s on.
Energy Efficient
The Cosmo Ductless Inverter AC has an impressive SEER2 rating of up to 22, which means it uses significantly less energy than traditional systems. According to the manufacturer, you can save up to 62% on energy bills without compromising performance—a win for both your wallet and the environment.
This Ductless Inverter AC comes with a 16ft copper line set and durable packaging to ensure all components arrive safely. Keep in mind that units may arrive in multiple shipments, so don’t worry if all parts don’t come together.
Pros
- Powerful enough for large spaces
- Cools and heats quickly, even in extreme weather
- Smart control
- Runs quietly
- Energy efficient
Cons
- No advanced air filtering
7. Goodman 18,000 BTU Ductless Mini Split
Price: $960.00
Goodman is a well-established name in the HVAC industry, known for offering reliable, energy-efficient products since 1982. With this 18,000 BTU ductless mini split system, they bring their decades of experience into a compact solution perfect for homes, offices, or garages needing year-round comfort.
Powerful Performance for Large Spaces
The Goodman 18,000 BTU mini-split brings serious comfort to rooms up to about 1,000 sq. ft. From a chilly basement to a sunny living room, it flexes between 6,700 and 20,000 BTUs of cooling or 5,800 to 22,500 BTUs of heating, so you never feel under-powered. Thanks to its brushless inverter compressor, it ramps up quickly when you need it, then purrs along efficiently—hitting an 18 SEER2 rating and 8.5 HSPF. In plain English, that means strong temperature control without shocking energy bills.
Clean, Healthy Air at Home
Goodman didn’t stop at temperature. Inside, you’ll find a titanium-apatite deodorizing filter and a catechin air filter working together to snatch up dust, pollen, pet dander, and odors. Because the front panel wipes clean and the drain pan pops out easily, a quick wipe or rinse keeps everything running smoothly—and keeps your air feeling fresher week after week.
Easy to Use and Smart by Design
On the user side, this mini-split shines. You get a backlit wireless remote, intuitive LED feedback on the indoor unit, and automatic features like power-restoration restart and self-diagnosis if something goes off track. Flip on “Eco+” for extra savings, hit “Sleep Mode” to nudge temperatures overnight, or go full blast with “Powerful Operation” when you walk in on a sweltering day. It’s a straightforward setup for seasoned pros and first-timers alike—especially since Goodman includes a 15-ft line set and wall bracket, so all the hardware you need shows up in the box.
Pros
- Large spaces
- Energy efficient
- Advanced air filtration for better indoor air quality
- User-friendly remote and LED display
- 5-year warranty
Cons
- Installation recommended
8. COSTWAY 12,000 BTU Mini Split Air Conditioner & Heater
Price: $459.99
The COSTWAY 12,000 BTU ductless mini split system is designed to cool or heat rooms up to 750 sq. ft., making it a solid choice for medium-sized spaces like apartments, living rooms, or offices. It’s AHRI certified and comes pre-charged with eco-friendly R32 refrigerant, making it a more environmentally conscious option compared to older models that still use outdated refrigerants.
Energy-Efficient Cooling & Heating
With a 1-ton heat pump and a high-power compressor, this system provides reliable cooling in the summer and efficient heating in the winter. Thanks to its 20 SEER2 rating and inverter technology, it adjusts power supply frequency instead of constantly cycling the compressor on and off. That not only cuts down on energy use but also helps extend the life of the unit.
Comfort & Control Options
This unit offers five modes—auto, cool, dry, heat, and fan—along with four fan speeds (low, medium, high, auto). Additional features like sleep mode, ECO mode, iFEEL, and turbo function make it easy to customize your comfort throughout the year. The included remote control lets you adjust settings without leaving your spot, and the 0.5–24 hour timer plus quiet operation are especially useful at night. To help with better sleep, the remote’s display automatically turns off if unused for 10 seconds.
Maintenance & Reliability
The COSTWAY Blast Series also takes care of itself. It has a self-cleaning mode that heats the interior to 134.6°F to remove dust and bacteria, and a washable filter to keep the air fresh. The outdoor unit includes auto-defrost technology, which helps prevent ice buildup and keeps the system running efficiently in colder climates.
Backed by a 5-year parts replacement warranty and 8 years on the compressor, COSTWAY stands behind its build quality. Installation, however, must be done by a licensed HVAC technician, as with all mini split systems, to ensure proper setup and warranty coverage.
Pros
- Energy-saving
- 4-in-1 functionality
- Self-cleaning and auto-defrost features
- Strong warranty coverage
Cons
- Only for small rooms
Advantages of ductless air conditioners
There are many advantages of fitting your home with these air conditioners;
Built-in zoning – As these air conditioners are meant for one room, they have a zoning system built into the unit. This means each system has its remote control and can be maintained at a different temperature. As you are going to be occupying one room the units in the rest of the house can be shut off to save power.
Energy and money saving – Usually, 20 to 30% of conditioned air is lost via leaking ducts. There are no such issues with ductless air conditioners. As you will occupy a room or two the units in the rest of the house can be switched off reducing the utility bills. You can also avail of rebates and tax credits for additional savings. These systems are excellent for retro-fitting and they offer easy zoning. They have better-operating efficiency and offer humidity control. Thus, the benefits outweigh the initial cost of installation.
Multiple evaporators to one condenser
You can save money by installing up to 4 evaporators to one condenser unit to cool many rooms.
Easy to set up – Ductless air conditioners are easier and cost-effective to set up even in older places that do not have the ductwork. These systems are less invasive and do not require extensive setup. They run on small pipes run through 2-3-inch holes. Cutting out the worry of rebuilding ceilings and walls around the ductwork.
Improve indoor air quality – Ductless air conditioners have multistage filtration systems that remove dirt, dust, pollen, bacteria, allergens, etc. before letting the air in. This improves your health and cuts out other pollution-related issues.
Smaller carbon footprint
Due to a compact size and zoning capabilities these systems make efficient use of energy and space. They are built along the Energy Star guidelines that not only improve their functionality but also reduce your carbon footprint. This not only saves money but also brings you advances in chemistry and design innovation aimed at reducing environmental impact. Refrigerants like R410A known for zero depletion of ozone are used in these systems. These systems have a less environmental impact through their lifecycle. They are also customizable, eco-friendly and energy-efficient.
Endless configurations – Ductless ACs are like the swiss army knife of the Heating, Ventilation and Air Conditioning (HVAC) systems. They offer comfort in areas where duct systems cannot reach. You can convert your attic, basement, or garage into a living space. There is a great variety of ductless systems to choose from.
Quiet operation – As the condenser unit is outside these air conditioners are silent. Usually, all you hear is the quiet rush of the cool breeze.
FAQs
Do I need a professional to install a ductless air conditioner?
These air conditioners have lines for the drainage, coolant, and electricity. A professional will connect these lines correctly.
Do ductless ACs have a heating function?
Some models of ductless air conditioners have a heating function. These models have a heat pump that is backed up by electric strips.
Should I buy my tubing?
As the distance between the situation of the inner and outer units may differ the length of the tubing may differ accordingly. Thus, after you have decided on the placement of the units buy the tubing.
Where should the outdoor unit be placed?
There should be proper clearance for the airflow and maintenance of the unit. It should be placed in a shady place for the best performance.
