What a heat pump installer can help with
- New heat pump installs
- Heat pump servicing and cleaning
- Heat pumps that stopped working
- Moving or replacing a unit
- Advice on the right size
Not on the list? Describe the job anyway and we'll tell you if we can help.

What we check
Before we book a heat pump installer, we check they hold insurance for the work.
What heat pumps costs in NZ
Published NZ prices, so you know roughly what to expect. Every job is different, so your heat pump installer quotes after looking at it. We check that quote against figures like these.
Read the full guide: Heat pump installation cost in NZ (2026)
| Job | Typical price |
|---|---|
| Single wall-mounted unit, supplied and installeddepends on the size of the heat pump, GST not stated | $3000 to $5000OneRoof, 2025 |
| Ducted systemGST not stated | $8000 to $16,000 and upOneRoof, 2025 |
| Budget single-room high-wall split systemthe source says figures exclude GST unless stated, and are estimates for guidance only | $2,000 to $4,000CheckMyBuilder, 2026 |
Before you say yes
Good questions to ask your heat pump installer, and the warning signs to walk away from.
Questions to ask
- Is the price for the unit and the install together, and does it include GST?
- What size unit do you recommend for my room, and why?
- Where will the outdoor unit and the pipework go?
- Who does the electrical work, and are they licensed?
- What does the warranty cover, and who do I call if it fails?
Red flags
- They quote without asking the size of the room or looking at the house.
- Their price is far below every other quote, with no clear reason.
- They can't say which brand and model you are getting.
- They ask for the full payment up front.
- They won't put the scope, price and warranty in writing.
How it works
- Tell us the jobType what needs doing and where. That is all we need to start.
- We call you and checkWhere the trade needs a licence, we check the public register first.
- One local tradie, bookedThey look at the job and give you their own quote.
- A fair priceWe check the quote against what the job usually costs in NZ.
Heat pumps questions
Is it free to find a heat pump installer with GoodTradie?
Yes. You pay nothing to us. We're paid by the pros we match you with, and you pay the tradie for the job as normal.
What do you check before booking a heat pump installer?
We check they hold insurance for the work. You can also look up their business on the Companies Office register.
Will I get several heat pumps quotes?
No. We book one checked local heat pump installer. They look at the job and give you their own quote.
How do I know the price is fair?
We check the quote against what the job usually costs in NZ, using published cost guides. You decide whether to go ahead.
How much does heat pumps cost in NZ?
Single wall-mounted unit, supplied and installed: $3000 to $5000 (OneRoof, 2025). Ducted system: $8000 to $16,000 and up (OneRoof, 2025). Budget single-room high-wall split system: $2,000 to $4,000 (CheckMyBuilder, 2026). Your heat pump installer quotes after looking at the job.








