Rheem Hot Water Heat Pump
Rheem is one of the most recognised hot water names in New Zealand, with local manufacturing heritage and the widest service network. Its NZ hot water heat pump range spans the integrated AmbiPower and AmbiHeat cylinders and the EcoPlus split system. Supply-and-install bundles from around $6,400 make Rheem one of the most affordable ways into a hot water heat pump in NZ.
Rheem hot water heat pump price NZ (2026)
There are no rebates for hot water heat pumps in New Zealand, so the installed price is the whole price. Bank green home loan top-ups (about 1% p.a. at ANZ, ASB and BNZ; 0% up to $50,000 at Westpac) can spread the cost if you have a home loan. Cheapest model: Rheem AmbiPower 270L from $6,400. Largest: Rheem EcoPlus (split) up to $11,000.
Specifications and pricing are indicative for the NZ market as at June 2026. Confirm current models and exact pricing with your installer.
Available Models
Rheem AmbiPower 270L
Rheem AmbiHeat HDc-270
Rheem EcoPlus (split)
Specifications and pricing are indicative for the NZ market as at June 2026. Confirm current models and exact pricing with your installer.
Pros
- Trusted household name in NZ
- Widest installer and service network
- Entry bundles from about $6,400 installed
- Integrated models are simple replacements for an electric cylinder
- Local support and parts availability
Cons
- Integrated models are noisier than split systems
- Standard warranty shorter than premium brands
- Lower COP than CO2 split systems
Best for
Homeowners who want a trusted name, the biggest installer network, and the most affordable entry price
Rheem pricing and financing in your region
No rebates exist anywhere in NZ, but installed prices and the local gas picture vary. Each regional guide covers what actually helps, including bank green loan top-ups.
Rheem hot water heat pump FAQ
How much is a Rheem hot water heat pump installed in NZ (2026)?
A Rheem hot water heat pump costs $6,400 - $11,000 fully installed in New Zealand (indicative, June 2026, GST inclusive). The cheapest model (Rheem AmbiPower 270L, 270L) starts around $6,400; the largest (Rheem EcoPlus (split), 250L) tops out around $11,000. There are no rebates for hot water heat pumps in New Zealand, so the installed price is the full price. Complex installations or relocations can add to these figures, so always confirm with a written quote.
Is Rheem a good hot water heat pump brand?
Rheem is one of the most recognised hot water names in New Zealand, with local manufacturing heritage and the widest service network. Its NZ hot water heat pump range spans the integrated AmbiPower and AmbiHeat cylinders and the EcoPlus split system. Supply-and-install bundles from around $6,400 make Rheem one of the most affordable ways into a hot water heat pump in NZ. Rheem is best suited to homeowners who want a trusted name, the biggest installer network, and the most affordable entry price.
Are there rebates for a Rheem hot water heat pump?
No. New Zealand has no STC-style certificate scheme and no national or regional rebate for hot water heat pumps, whichever brand you buy. Warmer Kiwi Homes covers insulation and space-heating heat pumps only, not hot water. What can help with the upfront cost is bank financing: ANZ, ASB and BNZ offer green home loan top-ups at about 1% p.a. fixed for 3 years (up to $80,000), and Westpac offers 0% up to $50,000 over 5 years. You need an existing home loan and equity, and the balance reverts to standard rates after the promotional window.
What is the warranty on a Rheem hot water heat pump?
Rheem backs its cylinders with a 5-year warranty and the compressor with 5 years (indicative; confirm the current terms for your specific model). Workmanship cover for the install itself comes separately from your installer and should be at least 12 months. Warranty claims generally require professional installation and servicing per the manual, so keep your installation paperwork.
How efficient is a Rheem hot water heat pump?
The Rheem AmbiPower 270L runs at a COP of 3.5, meaning every 1 kWh of electricity in produces about 3.5 kWh of heat. Estimated annual running cost is around $345 for a 3-5 person household at average NZ electricity prices (~35c/kWh), where a standard electric hot water cylinder doing the same job typically costs three to four times as much to run.
How long does a Rheem hot water heat pump last?
Modern hot water heat pumps last 10-15 years on average in New Zealand conditions. Cylinder life depends on water quality (replacing the sacrificial anode every few years extends it). Compressor life is the limiting factor and typically matches or exceeds the warranty period when the unit is correctly sized and serviced.
Rheem vs other brands: which should I pick?
Rheem sits at the value end of the New Zealand market. It has the widest installer and service network in New Zealand, plus the most affordable supply-and-install entry bundles. See the side-by-side comparisons below for direct head-to-head specs.
Compare with other brands
Where are you?
See indicative costs and local installers for your area