Geothermal Heat Pump Brands and Suppliers in New Zealand: A B2B Sourcing Guide

By KLR Heat Pump Technical Team | Reviewed by John L, Heat Pump Engineer

New Zealand’s geothermal heat pump market remains significantly underdeveloped despite the country’s abundant ground-source potential. With only approximately 130 installations recorded nationwide through 2016, the market presents a substantial opportunity for trade professionals and commercial specifiers seeking reliable geothermal heat pump suppliers and manufacturers in New Zealand.

This guide covers the leading geothermal heat pump brands available through New Zealand suppliers, the technical distinctions that matter for B2B procurement, and the commercial case for specifying ground-source systems in the right applications.

Table of Contents

1.Why Geothermal Heat Pumps Make Commercial Sense in New Zealand

2.Leading Geothermal Heat Pump Brands in New Zealand

3.Open Loop vs. Closed Loop: Which System Type Fits Your Project?

4.The Christchurch Advantage for Commercial Projects

5.How to Choose a Geothermal Heat Pump Supplier: 6 Procurement Criteria

6.KLR Heat Pump: The OEM/ODM Alternative for Geothermal Solutions

7.Frequently Asked Questions

8.Market Outlook and Strategic Considerations

Why Geothermal Heat Pumps Make Commercial Sense in New Zealand

Ground-source heat pumps (GSHPs) operate on a fundamentally different efficiency curve than conventional air-source systems. While air-source heat pumps in New Zealand typically achieve a coefficient of performance (COP) of around 3:1, GSHPs consistently deliver COPs of 4:1 to 5:1 because underground temperatures remain stable at 10–12°C year-round, regardless of surface weather conditions.

For commercial and industrial wholesale procurement, this efficiency translates directly to operational cost reduction. Early modelling from Central Heating New Zealand indicates that a GSHP installed in a 200m² home operates at approximately $0.06/kWh monthly, compared to $0.12/kWh for an equivalent air-source system—a 50% reduction in running costs. At commercial scale, where heating and cooling loads exceed 500kW, payback periods can range from 8–12 years, with systems designed to operate for decades.

EECA (Energy Efficiency and Conservation Authority) identifies medium-to-large buildings above 3,000–4,000 square metres with continuous year-round heating and cooling needs as especially strong candidates for ground-source systems, particularly in regions with high water tables such as Christchurch and Dunedin.

Geothermal Heat Pump

Quick Comparison: GSHP vs. Air-Source Heat Pump

Leading Geothermal Heat Pump Brands in New Zealand

STIEBEL ELTRON

STIEBEL ELTRON New Zealand offers a range of geothermal hydronic heating heat pumps, including the WPE-I series with inverter technology. The WPF 16 model has been deployed in residential projects such as the Lake Hayes installation in Queenstown. Their geothermal units are designed for indoor installation and extract latent heat from brine water using a heat exchanger, with high flow temperatures reaching 75°C.

Key product lines:

WPE-I 07.1/12.1 Plus H 230 — inverter-driven, high flow temperatures

WPE-I 30.1/45.1/60.1 Premium H 400 — natural refrigerant R290, capacities up to 60kW

MasterTherm (Supplied by Pratts)

MasterTherm geothermal heat pumps are distributed in New Zealand through Pratts Plumbing, positioned as commercial-grade ground-source units with advanced inverter technology. Their units feature variable-output inverter compressors, COP averaging over 4.5, and capacities up to 60kW for domestic and commercial loads. Smart connectivity includes iOS/Android compatibility and internet-based remote diagnostics—a practical feature for managing systems across remote New Zealand locations.

Trade-relevant features:

Built-in circulation pumps for primary and secondary circuits

Passive/active cooling capability

Desuperheater and subcooler options for near-free domestic hot water

Water/Water configurations available on request

DeLonghi (Through Central Heating New Zealand)

Central Heating New Zealand distributes DeLonghi geothermal heat pumps, available in medium-temperature (up to 55°C, suitable for underfloor heating) and high-temperature (up to 60°C, compatible with radiators) configurations. Output capacities range from 5.4kW to 35kW. These systems operate at a minimum 4:1 COP and are noted for silent operation with no external fan unit.

Important procurement note: DeLonghi geothermal units are available on indent order only, and larger output models require 3-phase electricity—an important consideration for commercial project planning.

Kensa (Networked Systems)

Kensa’s Shoebox heat pumps represent an emerging model for networked ground-source systems, demonstrated at scale in the Tewa Banks development in Arrowtown—the first networked GSHP project in the Southern Hemisphere. This system connects 68 homes to shared boreholes, with individual heat pumps in each dwelling. The Tewa Banks project delivers heating and hot water for approximately $30 NZD per month per household, with no regular servicing required and remote performance monitoring built in.

Brand Comparison at a Glance

Table note: Customisation availability reflects publicly available information as of October 2026. Buyers should confirm current terms directly with each supplier.

Open Loop vs. Closed Loop: Which System Type Fits Your Project?

For wholesale buyers and project specifiers, understanding the fundamental system types is essential for matching products to site conditions.

Closed-loop systems circulate fluid through buried pipes, absorbing and releasing heat to the subsurface without extracting water. Horizontal loops require sufficient land area (common in rural applications), while vertical boreholes (typically 100m deep) use less land but carry higher drilling costs.

Open-loop systems extract groundwater directly from aquifers at 10–12°C and return it at approximately 5°C lower. According to Central Heating New Zealand, open-loop groundwater systems are more cost-effective because they eliminate the need for long pipe loops. In Christchurch’s urban environment, where permitted activity rules allow domestic water takes to be combined with heat pump extraction, open-loop configurations are often the most financially viable option.

Quick Decision Guide

The Christchurch Advantage for Commercial Projects

Christchurch merits specific attention from geothermal heat pump suppliers and commercial specifiers. The city’s high water table and readily accessible groundwater resources make it uniquely suited to open-loop GSHP installations. During the city’s rebuild, energy nodes using groundwater at 12°C as the primary source and sink were established, with GSHP systems integrated into major civic buildings including the Town Hall, Art Centre, Bus Exchange, and Justice Precinct.

For manufacturers and suppliers targeting the commercial segment, Christchurch represents New Zealand’s most mature GSHP market. The conditions that make these installations financially viable—sufficient scale to spread drilling costs, continuous heating and cooling loads, and favourable groundwater access—are replicable in other urban centres with similar hydrogeology.

How to Choose a Geothermal Heat Pump Supplier: 6 Procurement Criteria

When evaluating geothermal heat pump suppliers for wholesale procurement, several practical factors distinguish viable trade partnerships:

1. Technical support and specifying assistance.Geothermal installations depend heavily on local ground conditions, soil type, and property size. Pratts notes that professional system specifying is “highly advisable” with all geothermal installations, and their pricing reflects this consultative approach. Trade buyers should prioritise suppliers who provide site consultation and engineering support.
2. Customisation capability.If you are building your own brand or need products adapted to local voltage, refrigerant regulations, or market-specific features, the supplier’s OEM/ODM capability becomes a decisive factor. Not all manufacturers offer this—some sell only standard catalogue products.
3. Indent ordering and lead times.Many geothermal units are not held in local stock. DeLonghi models are available on indent only, and other brands may operate similarly. Project timelines must account for international shipping and customs. Factory-direct suppliers may offer shorter lead times depending on production scheduling.
4. Installation expertise.The specialised nature of GSHP installation—particularly borehole drilling and ground loop design—means that manufacturers and suppliers withestablished installer networks provide significant value. STIEBEL ELTRON, for example, works with regional specialists such as Optum Plumbing & Heating in Queenstown for their installations.
5. Certification and compliance.For New Zealand projects, verify that products carry relevant certifications (CE, CB, ISO9001) and comply with local electrical standards (AS/NZS 60335). Suppliers experienced in export markets with strict regulatory requirements—such as the UK, Germany, or Scandinavia—typically have robust compliance documentation.
6. Total cost of ownership, not just unit price.The cheapest unit is rarely the lowest-cost system over its lifetime. Consider: energy efficiency (COP), expected service life, availability of spare parts, and whether the supplier offers technical training for your installation team.

Supplier Evaluation Checklist

KLR Heat Pump: The OEM/ODM Alternative for Geothermal Solutions

For wholesalers, distributors, and brand companies seeking a cost-competitive manufacturing partner rather than a finished-product supplier, KLR Heat Pump offers a compelling alternative to the established brands above.

KLR Group is a Foshan-based heat pump manufacturer with over 20 years of development and production experience, specialising in OEM/ODM services for the global market. The company produces geothermal and water-source heat pumps with heating capacities ranging from 13kW to 170kW, covering residential through commercial applications. Their geothermal units utilise R32 refrigerant and achieve energy savings of 60–70% compared to conventional heating systems.

What Distinguishes KLR for B2B Partners

Deep OEM/ODM customisation. KLR does not sell directly to end users—they work exclusively with wholesalers, dealers, distributors, and brand companies. Customisation options extend well beyond logo placement: cabinet colour and design, power supply type, component brand selection, refrigerant platform (R410a, R32, or R290), packaging design, and even small details like screw material and drain hole positioning can be tailored to your market requirements. Their team can adjust the outer design and sizing to match your specific project footprint.

Manufacturing scale and technical depth. KLR operates a 20,000+ m² production facility in Foshan, Guangdong, with over 50 engineers and five professional production lines. The company invests more than 10% of annual revenue in R&D and holds over 200 domestic and international patents. Their geothermal and water-source heat pump platforms incorporate advanced features such as intelligent control systems, Modbus connectivity, and WiFi-enabled monitoring.

Competitive pricing for wholesale volumes. KLR positions itself as offering “high quality and competitive price” products, with dedicated wholesale pricing structures for bulk orders. Their direct-from-factory model eliminates intermediary margins, providing trade buyers with a cost advantage that can be passed through to end customers or retained as improved margin.

Global compliance and export experience. KLR products carry CE, CB, ISO9001, and ISO14001 certifications, with compliance to EU ErP energy efficiency standards. The company exports to more than 80 countries and regions, including markets with demanding technical requirements such as the UK, Canada, Germany, and Scandinavia.

Trade-focused partnership model. KLR explicitly does not compete with its partners at the end-user level. They provide product training, technical manuals, and factory visits for partners, positioning themselves as a behind-the-scenes manufacturing capability rather than a competing brand.

KLR at a Glance

Partner with KLR

If you are a wholesaler, distributor, or brand company looking for a geothermal heat pump manufacturing partner with deep customisation capability and competitive factory-direct pricing, KLR welcomes your inquiry.

Contact KLR Heat Pump:

Email: klrheatpump@163.com

Whatsapp: +86 134 2453 1875

Website: www.klrheatpump.com

Factory: Foshan, Guangdong, China

Inquiries regarding geothermal heat pump OEM/ODM cooperation are welcomed, with responses typically provided within 24 hours for B2B partners.

KLR does not sell directly to end users. All inquiries are directed to our B2B partnership team.

Frequently Asked Questions

Q: What is the difference between a geothermal heat pump and an air-source heat pump?
A: Geothermal (ground-source) heat pumps extract heat from stable underground temperatures (10–12°C year-round), achieving COPs of 4:1 to 5:1. Air-source heat pumps extract heat from outdoor air, achieving COPs of around 3:1. Geothermal systems cost more to install but deliver lower running costs and longer equipment life.

Q: Can I get custom-branded geothermal heat pumps manufactured for my company?
A: Yes. KLR Heat Pump specialises in OEM/ODM manufacturing for wholesalers, distributors, and brand companies. Customisation includes cabinet design, voltage, refrigerant type, control systems, packaging, and branding. KLR does not sell directly to end users, so you retain full control of your customer relationships.

Q: What is the minimum order quantity (MOQ) for wholesale geothermal heat pumps?
A: MOQ varies by product specification and customisation requirements. Contact KLR directly at klrheatpump@163.com for wholesale terms tailored to your project.

Q: How long does production and delivery take?
A: Lead time depends on order volume and customisation complexity. KLR provides committed production schedules for B2B partners. Contact the team for current lead times.

Q: Are KLR heat pumps certified for international markets?
A: Yes. KLR products carry CE, CB, ISO9001, and ISO14001 certifications, with compliance to EU ErP standards. The company exports to 80+ countries including the UK, Canada, Germany, and Scandinavia.

Q: Does KLR sell directly to homeowners in New Zealand?
A: No. KLR operates exclusively as an OEM/ODM manufacturer for trade partners. If you are a New Zealand-based wholesaler or distributor, contact KLR to discuss partnership terms.

Market Outlook and Strategic Considerations

New Zealand’s GSHP market remains in an early growth phase. Research indicates that barriers to uptake include limited public awareness, high capital costs, absence of market infrastructure, and reluctance among professional advisors. However, these same conditions create opportunity for suppliers and manufacturers who can educate the trade market and demonstrate commercial viability.

The commercial case is strongest in applications with continuous year-round heating and cooling loads, available land or favourable groundwater conditions, and long-term ownership horizons. For schools, hospitals, commercial offices, and larger residential developments, GSHPs offer a combination of low operational costs and stable long-term performance that conventional systems cannot match.

As New Zealand pursues its carbon reduction goals and electricity grid resilience becomes more critical, ground-source heat pumps represent a proven technology with substantial underutilised potential. For geothermal heat pump suppliers and trade buyers, the market is positioned for growth—provided the industry can address the awareness and infrastructure gaps that have historically constrained adoption.

Sources and Further Reading

EECA (Energy Efficiency and Conservation Authority) — Ground-source heat pump guidance for commercial buildings

Geothermal Heat Pump Association of New Zealand (GHANZ) — Industry standards and installer certification

Central Heating New Zealand — GSHP cost modelling and system type comparison

Pratts Plumbing — MasterTherm geothermal product information

This article was prepared by the KLR Heat Pump Technical Team and reviewed for technical accuracy. KLR Heat Pump is a Foshan-based OEM/ODM manufacturer of geothermal and water-source heat pumps serving trade partners in 80+ countries. For B2B partnership inquiries: klrheatpump@163.com | +86 134 2453 1875 | www.klrheatpump.com

Disclosure: This article is published by KLR Heat Pump. Brand names mentioned are for informational purposes only and do not imply endorsement or partnership.