For most New Zealand households, the hi-wall split AC installation cost is somewhere in the mid-thousands fully installed, depending on room size, unit capacity and site access. The section below breaks that down by room size so you can see what installation cost is likely for your home.

In New Zealand, split system air conditioners are usually called heat pumps. A single split system heat pump and a split air conditioner are the same product, so this GENERAL New Zealand (formerly Fujitsu New Zealand) guide uses both terms.

For more background, see this Split System AC and Heat Pump Guide.

Installed Price by Room Size

These are indicative market ranges for a fully installed hi-wall split system in New Zealand. They are not General Airstage prices. The final split AC installation cost comes from the installer’s quote after they check the room, system size and installation conditions.

Indicative fully installed price ranges

The following are indicative market estimates only for a high-wall split system supplied and installed in New Zealand. They are not GENERAL AIRSTAGE prices, and the actual cost of your installation will depend on the system selected and your property's installation requirements.


Room size Typical use Indicative installed price (NZD) What it covers
Up to 25 sqm Bedrooms, home offices, small studies $2,500 to $3,500 Standard hi-wall install, straightforward access
25 to 45 sqm Medium living areas, family rooms $3,200 to $4,800 Standard hi-wall install, larger capacity unit
45 sqm plus Large open-plan living and dining $4,500 to $6,500 Higher capacity unit, often longer pipe runs

What a standard installation usually includes

A standard hi-wall heat pump / air conditioner installation usually includes the indoor unit, outdoor unit, refrigerant lines, electrical connection and condensate drainage. It assumes the indoor and outdoor units can be positioned in an accessible location.

Why room size decides the price band

The required system capacity is determined by the room and its heating or cooling needs. A household doesn’t need to choose a smaller or bigger price band by preference. The system should suit the floor area, insulation, windows, sun exposure and how the space is used.

The prices overlap because brand, model efficiency and the installer’s rates all affect the final quote. That is why the cost of one split heat pump / AC installation can be lower or higher than another, even for rooms that look similar.

What Pushes an Installation Quote Higher

Two homes needing the same capacity can still receive quotes hundreds of dollars apart. The difference is usually the site work, not just the unit itself.

Longer pipe runs between the indoor and outdoor units increase the materials and labour needed. A second-storey installation can require scaffolding, ladders or elevated access equipment, which takes more time and adds safety requirements.

Restricted access also affects price. If the outdoor unit needs to sit down a narrow side path, on a roof, under a deck or in a tight service area, the installer has more handling and positioning work to do.

Concrete or brick core drilling can also lift the quote because it needs extra equipment and care. Electrical work is another common factor, especially where the switchboard needs upgrading or a new circuit must be run.

If an old unit is being replaced, removal and disposal may also be included.

This is why an installer assessment is important. A site visit allows the installer to assess the property and identify the materials, labour and equipment required before providing a final price.

Single Split or Multi-System: How the Cost Compares

A single split system connects one indoor unit to one outdoor unit. This can be a practical option when you want to heat or cool one main room or living area.

A multi-system heat pump connects multiple indoor units to a single outdoor unit. Each indoor unit can provide individual temperature control, making this type of system an option for homes where multiple rooms need heating or cooling.

The most suitable option depends on your home’s layout, how many rooms you want to heat or cool, how those rooms are used and the available outdoor space. 

In New Zealand homes, a multi-system can also be useful where you want multiple indoor units but have limited space for outdoor units.

Explore GENERAL’s multiple room solutions and multi-system heat pumps to learn more.

Grants That Cut the Cost of Installation

Some New Zealand homeowners may be eligible for assistance through the government’s Warmer Kiwi Homes programme, run by the Energy Efficiency and Conservation Authority (EECA).

Eligible homeowners may be able to receive a grant of up to 90% of the cost, capped at $3,450. Eligibility requirements apply.

For a heating grant, EECA states that eligible homes generally need to have been built before 2008, have ceiling and underfloor insulation installed to the required standard, and not already have an operational qualifying fixed heater. Eligibility can also depend on factors such as the homeowner's circumstances and property location.

GENERAL does not administer or guarantee Warmer Kiwi Homes funding. Check your eligibility directly through the EECA Warmer Kiwi Homes programme before including any grant in your budget.

FAQs

How much does it cost to install a split system in New Zealand?

The hi-wall split AC installation cost in New Zealand, fully installed, typically ranges from about $2,500 to $6,500. Actual prices can vary depending on the system, capacity, location and installation requirements.

Is the installation included in the price of a heat pump/ air conditioner?

In New Zealand, heat pump / air conditioner pricing is often quoted as supplied and installed, so an advertised price may only include a standard install. A unit-only price does not. Standard installation may not include additional work such as long pipe runs, elevated access, core drilling, switchboard work and emoval of an existing unit.

Does a multi-system cost more than separate split systems?

A multi-system costs more than one single split, but generally less than installing several separate split systems.
For one or two rooms, separate splits often make sense.
For three or more rooms, a multi-system can become better value.

Getting an Accurate Quote for Your Home

Room size sets the possible price range, while the specifics of your property and installation determine the final quote.

Compare the range to work out whether separate split systems or a multi-system is going to be the best fit your home.

Use GENERAL New Zealand’s (formerly Fujitsu New Zealand) find a stockist tool to request a quote from an accredited installer in your area.


 

Kyle Rafter
General Manager, Product & Strategy at GENERAL Australia & New Zealand

Kyle has over 16 years experience within the air conditioning industry. Since joining GENERAL (formerly Fujitsu General) in 2015, Kyle has driven innovation and growth, leveraging his expertise in commercial business development. Passionate about cutting-edge technology, Kyle is dedicated to advancing sustainable solutions in the air conditioning sector.