Heat pump cost calculator
Get a realistic ballpark for installing a heat pump in your home. Pick the system type, your number of bedrooms and how many rooms need a head, then apply the Warmer Kiwi Homes grant if you are eligible to see the figure before and after it. It is an estimate to help you plan, not a fixed quote.
Estimate your heat pump cost
A single split heats one room; a multi-head or ducted system heats more of the home.
A rough proxy for home size and the heat output you need.
Each additional room you want to heat adds an indoor head and pipework.
A government grant that part-funds an efficient heat pump for eligible lower-income households - check your eligibility with EECA.
A New Zealand ballpark before any grant. If you qualify for Warmer Kiwi Homes, eligible homeowners typically pay only a few hundred dollars - check your eligibility with EECA. This is an estimate, not a fixed quote - book a site assessment for an exact price.
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What goes into the price
A heat pump install is not a single product price. The biggest factors are the system type (a single split heats one room, while a multi-head or ducted system heats more of the home), the size of your home, and how many rooms you need to cover. Bigger homes and ducted systems need a higher-output unit and more pipework and labour.
Choose a single split or a multi-head/ducted system, set your number of bedrooms, and enter how many extra rooms need a head.
See your estimated cost as a low-to-high range, with the Warmer Kiwi Homes grant toggled on or off to show what you would pay if eligible.
Use the estimate to set your budget, then book a site assessment with a heat pump installer for a firm, written price.
Save a one-page PDF of your estimate to keep or send to installers when you ask them to quote.
Estimate = base install + system type + home size + extra rooms - grant Why heat pump quotes vary so much
No two homes heat the same way
Two houses on the same street can get very different quotes. The number of rooms, the run lengths to each head, whether you go single split or multi-head, the electrical work needed, and how easy the outdoor unit is to site all move the price. Ducted systems cost far more than a single split because of the ductwork. That is why a real site assessment, not a calculator, gives the firm number - this is here to set your expectations before you book one.
The job goes to the installer who answers
When a homeowner is ready to book a quote, they ring round. The installer who picks up usually wins the work; the ones who let it ring out lose it to whoever called next. Hey Jodie answers every call 24/7 for heating firms, takes the details and books the visit, so enquiries priced up on tools like this one do not slip away. It will not quote the job for you - it makes sure you are the one who gets to.
Frequently asked questions
How much does a heat pump cost in New Zealand? +
As a ballpark, a single heat pump split system runs from around $2,500 installed, while a larger multi-head or ducted system can reach $6,000 or more before any grant. Most homes land between those depending on how many rooms they cover. If you qualify for the Warmer Kiwi Homes grant, the amount you pay can be a lot lower. Set your own details above for an estimate closer to your home.
What affects the price of a heat pump install? +
The main drivers are the system type (a single split is cheaper than multi-head or ducted), the size of your home, how many rooms you need to cover, and the electrical and pipework runs. Access, the difficulty of siting the outdoor unit, and any switchboard work also matter. The Warmer Kiwi Homes grant then reduces the final figure if you are eligible.
What is the Warmer Kiwi Homes grant? +
Warmer Kiwi Homes is a government programme run by EECA that part-funds an efficient heat pump for eligible households. To qualify you generally need a Community Services Card or SuperGold Combo card, or to live in a lower-income area, in a home built before 2008 with insulation in place. For those who qualify it covers most of the cost of one efficient heater, and eligible homeowners typically pay only a few hundred dollars. It is not available to everyone, so check your eligibility with EECA first. This calculator lets you toggle the grant on or off to see both numbers.
Is this heat pump cost estimate accurate? +
It is a realistic ballpark based on current New Zealand price ranges, not a fixed quote. Real costs depend on a site assessment of your specific home - its layout, run lengths, electrical setup and access - so treat the figure as a planning guide. Use it to set your budget and to sense-check the quotes you get, then rely on a proper installer assessment for the exact price.
How do I get an exact heat pump quote? +
Book a site assessment with one or two heat pump installers. They will check your layout, the run lengths to each head, your switchboard and access, and give a firm written quote. If you think you may be eligible for Warmer Kiwi Homes, check with EECA and use a participating installer so the grant can be applied. Take your estimate from this tool along so you can compare like for like.
Is a heat pump cheaper to run than other heating? +
Running cost depends on your home, your power plan and how the system is set up. A well-sized heat pump in a reasonably insulated home is usually cheaper to run than plug-in electric or gas heaters, because it produces several units of heat for each unit of electricity. This tool covers the install cost, not running costs - your installer can model the running figures for your home.
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