How much does a mini split cost?
A mini split costs $2,000 to $7,000 per zone installed in 2026. What changes your price is below.
One zone, one room, is the common job, at about $2,000 to $4,500 for a 9,000 to 12,000 BTU unit. The cost of installing a ductless mini split for a whole home runs $4,000 to $15,000 or more, because each extra indoor head adds about $1,500 to $3,000.
Estimate your mini split installation cost
Pick what you need and add your ZIP. The price updates as you go. Got a price already? Check it in the last step.
Is this price fair?
A fair price is $2,000 to $4,500.
Type a price above to check it.
Middle of the range: $3,250
What you are paying for
How we calculate this
Prices are for the United States in 2026 from published cost guides, checked September 2026. This is an estimate, not a quote.
Cost by number of zones
| 1 zone | $1,200 to $5,500 installed in one 2026 guide. Another puts 9,000 to 12,000 BTU at $2,000 to $4,500. |
|---|---|
| 2 zones | $4,000 to $9,000. |
| 3 zones | $6,000 to $11,000. |
| 4 zones | $9,000 to $13,500. |
| 5 zones | $10,500 to $14,500 or more. |
| Each extra indoor head | About $1,500 to $3,000 installed. |
| Line set and wiring | Refrigerant lines about $5 to $7 per foot and electrical about $6 to $8 per foot. |
| Very high efficiency, 40 SEER class | $10,000 to $14,000 for a single system of that size. |
What pushes a quote up
| Number of heads | The biggest driver by far. |
|---|---|
| BTU size | Bigger rooms need bigger units. |
| Line length | Long runs to the outdoor unit add pipe, wire and time. |
| Electrical | Every system needs its own circuit and a disconnect near the outdoor unit. |
| Brand | Mitsubishi and other premium brands cost more than entry brands. |
Mini split installation cost by region
| Lower cost states | $1,600 to $5,600. Alabama, Arkansas, Indiana, Iowa, Kansas, Kentucky, Mississippi, Missouri, Oklahoma, Tennessee, West Virginia and most rural areas. |
|---|---|
| Average cost states | $2,000 to $7,000. Arizona, Florida, Georgia, Michigan, North Carolina, Ohio, Pennsylvania, Texas, Virginia and most mid size cities. |
| Higher cost states | $2,600 to $9,100. California, Connecticut, Hawaii, Massachusetts, New Jersey, New York, Washington, plus big metros such as Chicago, Denver and Washington DC. |
These rows are our estimate. We took the typical national range and adjusted it for local labor costs, which run about 20 percent lower in the cheapest states and about 30 percent higher in the dearest ones. Mini splits are most common in the Northeast and in older homes without ducts.
Plan for two zones even if you buy one
A multi zone outdoor unit can feed several indoor heads. A single zone unit feeds one. If you buy a single zone system now and want a second room later, you may need a new outdoor unit and pay for it twice. One installer estimates that planning for two zones up front saves about $1,200 to $2,000 compared with adding one later.
The other side: past three heads, one 2026 guide says separate systems or a ducted system often compete on price. At five heads, get a quote for ducted central air or a ducted heat pump too.
The inspection item that fails most
An electrical supply guide notes that a disconnect switch within sight of the outdoor unit, required by the electrical code, is the item most often failed at inspection. Ask your installer if the disconnect and a dedicated circuit are in the price.
Why this costs more in 2026
Mini splits are copper line sets, compressors and electronics shipped from overseas.
Two costs moved in 2026. Diesel passed $6 a gallon on September 11 (CBS 8 reporting AAA), and building inputs rose 4.8 percent in a year (Roofing Contractor). Ask if your price can change before work starts.
How to judge the quote in your hand
- Count the heads and the BTUs. Compare quotes on the same layout.
- Ask the line set length. Long runs add cost.
- Check the electrical line. Dedicated circuit and disconnect.
- Ask for the brand and model.
- Ask about the permit.
Ways to pay less
- Start with the room you use most.
- Plan for a second zone if you think you will want it.
- Place the outdoor unit close. Short line sets cost less.
- Check utility rebates for heat pump mini splits.
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Common questions
How much does a mini split cost installed?
$2,000 to $7,000 per zone. One zone for a single room runs about $2,000 to $4,500.
What is the cost of installing a ductless mini split in a whole house?
$4,000 to $15,000 or more, depending on the number of zones.
How much does it cost to install a mini split AC system for 2 rooms?
$4,000 to $9,000 for a two zone system.
Is a mini split cheaper than central air?
In a home without ducts, usually yes. With good ducts, central air can cost less.
Can I install a mini split myself?
DIY kits run $1,200 to $2,800, but electrical work and permits still apply.
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