NZ gas reserves hit a 20-year low in 2024. Prices are rising

How much does a hot water heat pump actually cost in NZ?

New Zealand's independent comparison service for hot water heat pumps. Indicative installed prices, straight answers on incentives, and up to 3 quotes from local installers. 100% free, no obligation.

See indicative costs for your area

100% independent
Honest about rebates
Local installers only

Hot Water Heat Pump Cost Calculator

Get a personalised running-cost and payback estimate for your region

1,209
Suburbs covered
15
NZ regions
65-75%
Less energy than an electric cylinder
100%
Free, no obligation

NZ is running out of natural gas

There is no gas ban in New Zealand, but supply is shrinking fast and household gas prices are rising. If your gas hot water system is near end-of-life, switching to a hot water heat pump is increasingly the cheaper long-run choice.

Read the NZ gas crunch guide
Reserves down 27%
A 20-year low
Proven and probable gas reserves fell from 1,300 PJ (2023) to 948 PJ (2024)
Production falling
Faster than forecast
155 PJ in 2023, 125 PJ in 2024, and around 85 PJ expected in 2026
North Island only
~270k connected homes
The South Island has no natural gas network; bottled LPG is the only gas option there

Hot water heat pump costs by region

Indicative installed prices for your suburb. No rebates apply in NZ, so the installed price is the whole story

How PumpSwap works

1

Tell us about your home

2-minute form about your property, current system, and what you need.

2

Get matched with installers

We match you with up to 3 local hot water heat pump installers in your area.

3

Compare and choose

Review quotes, compare brands and pricing, and pick the best option. No obligation.