Heat pump installation

We'll sort the heating at your place

Maintain the perfect temperature at your place with a Hitachi Heat Pump. Selected Mitre 10 MEGA stores are now offering installation services to make it easier for you to heat your home in winter and keep it cool in summer.

Find your local store below and contact them to organise installation or answer any queries you might have.

Participating Mitre 10 MEGA stores

38 stores nationwide

Find your nearest store

Types of heat pump available in New Zealand

Choosing the right system type before you price up installation prevents costly changes later.

High-wall split system

The most common heat pump type in New Zealand homes. An outdoor compressor unit connects via refrigerant pipes to an indoor high-wall unit.

Multi-split system

One outdoor unit connects to multiple indoor units across different rooms. Multi-split systems cost more upfront than a single split but avoid the need for a separate outdoor unit per room, making them practical where outdoor wall space is limited.

Ducted system

A ducted heat pump distributes conditioned air through ceiling ducts to multiple rooms from a single unit. Ducted systems suit new builds or homes undergoing significant renovation where duct runs can be concealed within the ceiling space.

Portable heat pump

A portable heat pump requires no professional installation. The unit sits on the floor, vents warm or cool air through an exhaust hose routed out a window or sliding door and plugs into a standard power outlet. Portable units suit renters, temporary spaces, or rooms where a fixed system is impractical.

Heat pump installation cost in New Zealand

Heat pump installation cost varies based on the system type, the size of the unit in kilowatts, and the complexity of the installation. The figures below cover supply and installation combined.

A standard high-wall split heat pump installation in NZ costs

$1,700 – $4,000

for supply and installation combined. To get a more accurate estimate, visit your local Mitre 10 to get an estimation on how much heat pump installation will cost for your home.

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Who can install a heat pump in New Zealand?

Licensed and registered electricians can install heat pumps in New Zealand homes. Mitre 10 offers installation services for heat pumps by qualified electricians.

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What to know about portable heat pumps

A portable heat pump requires no licensed installer, no wall penetration, and no refrigerant connections on-site. This makes portable units the only heat pump option a New Zealand homeowner or renter can set up independently.

Browse portable heat pumps at Mitre 10 to compare wattage, hose configuration, and features.

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Choosing the right heat pump size

Capacity measured in kilowatts determines whether a heat pump can adequately condition your space. An undersized unit runs continuously without reaching the set temperature. An oversized unit short-cycles, reducing efficiency and comfort.

Up to 20 m² 2.5kW – 3.5kW

Suits a small bedroom or study in a well-insulated home.

20 – 40 m² 3.5kW – 5.0kW

Covers a medium room or open-plan kitchen and dining area.

40 – 60 m² 5.0kW – 7.0kW

Handles a large open-plan living area with standard ceiling height.

Over 60 m² 7kW+

Or consider a multi-split or ducted system to distribute heat evenly.

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