How Much Does It Cost to Install a Mini-Split? [2025 Data]

Mini-Split Cost Calculator

Calculations based on the cost of installing one multi-zone mini-split system. Calculations rounded to the nearest whole number.

Mini Split Cost

The exact cost of a mini split depends on its size, placement in your home, brand, and other minute details. Homeowners often choose mini-split systems due to their versatility, but each customization has a different price tag.

Cost by Type

You and your HVAC team will likely start by examining the correct mini-split configuration for your home. Tiny homes or those with an open floor plan may only require a single-zone system, while homes that need multiple thermostats will require more. The mini-split’s location will also determine the product's cost.

We've provided the average cost to install a mini-split by type:

Single-Zone

A single-zone mini-split is a compact cooling system designed to cool a specific room or area in a building. It comprises a single indoor air-handling unit and an outdoor compressor unit connected by refrigerant lines. The cost of a single-zone mini split air conditioner can vary depending on factors like brand, capacity, and additional mounting hardware for your home. You can expect to pay between $500 to $5,000 on average.

Multi-Zone

A multi-zone mini split is a versatile cooling system that can simultaneously cool multiple rooms or zones within the home using a single outdoor compressor unit connected to multiple indoor air-handling units. This allows for individualized temperature control in different home or office areas. The average cost ranges from $1,400 to $12,000 depending on the number of indoor units, their capacity, brand, and unit placement. 

Wall-Mounted

In a wall-mounted mini split air conditioner setup, the indoor unit is installed on the wall of a room or space. Wall-mounted mini splits are known for their ease of installation and efficient cooling, making them a popular choice for individual room comfort. On average, a wall-mounted mini split air conditioner costs between $500 to $9,200 for a single-mounted indoor unit before the cost of installation. 

Ceiling-Mounted

The indoor units in a ceiling-mounted mini split are designed to be installed on the ceiling. These setups are often favored for their discreet appearance and efficient cooling performance, costing between $1,200 and $12,000 for a single indoor unit.

Floor-Mounted

A floor-mounted mini split unit is designed to be installed on or near the floor in the desired space. This type of mini-split system costs between $1,300 and $3,800. Due to its versatility, it is often used in spaces with limited wall or ceiling space. 

Ceiling Cassette

Featuring a discreet, recessed design with an indoor air-handling unit that fits seamlessly into the ceiling, ceiling cassette mini splits are prized for their aesthetics and efficient cooling performance. You can expect to pay between $1,300 and $9,100 for a system with a single indoor unit for these units.

Cost by Size

Ductless mini-split installation is determined mainly by the size of the system. The average 12,000 BTU unit will cost about $3,000. Ductless cooling systems cost about 30% more than a new ducted system and nearly twice as much as a standalone window AC, so consider your energy bill while budgeting for the long term.

The advantage of a multi-split or multi-zone system is that it allows you to have different cooling areas in your home. Every outdoor unit can have up to five indoor units attached to them. Most systems come with at least one indoor unit. Additional units can cost between $400 and $1,800. More powerful condensers are needed to run more than five units at a time and can increase costs.

Here are the average costs of mini-splits by size:

Number of HVAC Zones

When deciding how many rooms you need cooled in your home, you can choose between a single-zone and a multi-zone mini-split system. An HVAC professional can assess each room's square footage to ensure the right fit. More zones lead to higher costs, with single-zone units ranging from $2,000 to $8,800 and five-zone units from $4,800 to $18,000.

Here's what you can expect to spend on a mini-split based on the number of zones you'll have:

Brand

Ductless mini-split units offer a range of brand options. Some are reputable and have a higher price tag, while others are less familiar but offer more budget-friendly choices.

Here's what you can expect to pay for materials and labor combined per brand:

Efficiency

The efficiency of a mini-split unit significantly impacts its overall cost. A higher Seasonal Energy Efficiency Ratio (SEER) rating means lower monthly energy costs due to increased efficiency. You should factor this in when choosing a unit, especially in a region with extreme temperatures where a higher SEER-rated system may be cost-effective for you. 

Energy-efficient units save money in the long run and often even qualify for utility rebates and government tax credits. However, they may come with a higher upfront cost. Be sure to balance your budget with long-term savings when making a decision.

Cost of Parts

A ductless mini-split AC system comprises three main parts: an outdoor condensing unit, inside air units, and refrigerant coolant lines to connect everything. They can be bought as a kit, or each part can be purchased individually as needed.

The average prices below are for the parts only and don’t factor in the labor cost for professional HVAC installation, which can cost between $300 and $1,500 alone.

Additional Mini-Split Installation Cost Factors

Aside from the unit type, size, efficiency, and brand of the system you choose, the mini-split installation cost is also impacted by some other factors. 

Permits

Installing a multi-zone mini-split AC system often requires you to secure a permit, and it's recommended that you consult your local municipality for guidance. Typically, permits for such installations can range from $250 to $400, so budget accordingly and ensure compliance with local regulations before beginning your project.

Hiring Contractors

Labor costs of hiring a professional HVAC contractor are typically between $300 and $2,000 for a single-zone system, depending on the mounting location. Multi-zone systems can range between $700 and $3,000. 

In addition, ductless mini-split AC installation may require a local electrician if you do not have a dedicated 110- or 200-volt box, costing $50 to $100 per hour. You’ll probably need a dedicated electrical circuit, which can cost an additional $250. A local carpenter may also be required to cut the three-inch hole for the refrigerant lines for each unit. They can range from $25 to $50 per hour. 

And you’ll need a concrete pad to put the ductless mini-split unit on, which may cost several hundred dollars if completed by a professional. If you do that part yourself, factor in the cost of materials (such as lumber and rebar for framing and the concrete mix) as you budget for the project.

Removal of Existing HVAC

When you choose to install a ductless AC unit to replace your old central air system, it's recommended that you remove the old equipment to prevent issues with the components degrading due to not being used. This process involves removing old condensers, ductwork, and thermostats. The removal cost typically ranges from $80 to $150, ensuring a smoother transition to the new mini-split AC system.

Upgrades

Certain upgrades may be necessary or simply desired when enhancing a mini-split system. For instance, if you live in a snowy region, you may need to elevate the unit off the ground and prevent damage. You can also add a wireless system operation for convenient temperature adjustments. Below are various common mini-split add-ons and accessories and their average costs.

• Wall mount bracket: Enables secure wall mounting of the outdoor unit, saving floor space

• Wireless remote controller: Offers remote temperature control and convenience for homeowners

• Condenser stand: Elevates the condenser unit, protecting it from ground-level hazards

• Condensate removal pump: Efficiently drains excess condensation to maintain optimal humidity levels

• Drain pan heater: Guards against freezing in colder climates, ensuring uninterrupted operation

DIY vs. Pro

Do-it-yourself mini-split installation should be left to only the most advanced DIYers. It’s usually better (and safer) to hire an HVAC company to complete this relatively complex project for you. Plus, a professional will be better able to estimate what kind of system you need to properly cool your home most efficiently, saving you money on your energy bill in the long run.

To complete your project, you’ll also have to handle electrical wiring and refrigerant lines, which require a licensed pro in most states.

How To Save Money on a Mini-Split

You can save money on mini-split installation by considering a few key factors:

• Get multiple quotes by doing thorough research and obtaining multiple quotes from HVAC professionals. This will help you compare prices and ensure you're getting a competitive rate. 

• Opt for a single-zone system if your needs allow it, as single-zone systems cost less, and multi-zone setups are generally more expensive. 

• DIY what you can if you have some DIY skills, you can DIY what you can. You can also handle parts of the installation process, reducing labor costs. 

• Explore available rebates and incentives from utility companies and government programs, as they can help offset initial expenses.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects. 

Want to help us improve our cost data? Send us a recent project quote to costquotes@angi.com. Quotes and personal information will not be shared publicly.