Heat pumps are one of the most efficient ways to heat a home, and in Nelson, where Nelson’s high sunshine hours, dry summers and coastal conditions, with cooler inland and Tasman frosts, the right unit, correctly sized and installed, makes a real difference to comfort and power bills. Cold-climate performance and good placement are what separate a great install from an average one.
This page highlights the Top 5 heat pump installers in Nelson, based on independent research into reputation, installation quality, servicing and reliability.

The top 5 heat pump installers in Nelson are 1. Nelson Heat Pumps, 2. Polar Refrigeration, 3. Fusion Air Temp, 4. Model Electric, 5. Pete Pumps. Below we explain why each made the list, compare them at a glance, and share how to choose.
This featured position sits above the editorial Top 5 and is clearly labelled. It does not influence the rankings below.
Nelson Heat Pumps are heat pump and air conditioning specialists serving Nelson, Motueka and Tasman since 2005, covering supply, installation and servicing.
Polar Refrigeration install heat pumps and air conditioning across Nelson-Tasman using leading brands such as Daikin, Panasonic, Mitsubishi Electric and Hitachi.
Fusion Air Temp Solutions is a Nelson-based Mitsubishi heat pump supplier, installer and servicing company for residential and commercial properties.
Model Electric offer heat pump installation, repairs and maintenance with Mitsubishi, Daikin, Hitachi and refrigeration expertise across Nelson-Tasman.
Pete Pumps specialise in Daikin and Mitsubishi heat pumps across the Nelson-Tasman region, a focused choice for quality residential heat pump installs.
A quick comparison of our Top 5 picks.
| Heat Pump Installer | Best for |
|---|---|
| Nelson Heat Pumps | Specialist heat pump install and service |
| Polar Refrigeration | Multi-brand heat pump installs |
| Fusion Air Temp | Mitsubishi heat pumps and servicing |
| Model Electric | Heat pumps with refrigeration know-how |
| Pete Pumps | Quality residential heat pump installs |
Independent, editorial, and reviewed regularly.
TopChoice rankings are editorially curated by our New Zealand team and reviewed periodically. We don't host our own reviews. Our shortlists draw on public reputation signals from Google and other platforms, alongside our own research into each heat pump installer. We weigh up a combination of:
We don't accept payment in exchange for a place in the Top 5. Featured placements are separate and always clearly labelled. Rankings may change over time as businesses evolve.
A heat pump is only as good as its sizing and installation. An undersized unit struggles in the cold, while poor placement wastes efficiency. In Nelson, mild but variable winters and warm summers mean both heating and cooling matter, so choose an installer who sizes the system to the room and recommends units rated for the conditions.
Ask about the brands they install, whether they handle the electrical work and consents, and what servicing they offer. A clear quote and a workmanship guarantee are both reasonable to expect.
Sizing depends on room volume, insulation, windows, aspect and how cold it gets. Nelson’s mild winters and warm summers mean units are often chosen for both efficient heating and summer cooling. A good installer will measure and size the unit properly rather than guessing, since an undersized heat pump will struggle on the coldest days.
Reliable brands like Mitsubishi, Daikin and Panasonic, installed and serviced by local Nelson specialists, are the sensible choice. Look for units with strong low-temperature heating output, and ask the installer which models they recommend and service locally so support is easy if you ever need it.
Cost depends on the unit, the type of system (high-wall, ducted or multi-room), and the complexity of the install and electrical work. Get an itemised quote that covers the unit, installation, any electrical work and GST, and ask what the warranty covers.
High-wall units are cost-effective for heating one space, while ducted systems heat the whole home discreetly but cost more. In Nelson, whole-home heating is popular given the climate, so discuss your layout and budget with the installer.
Yes. Regular cleaning of filters and periodic professional servicing keep a heat pump efficient and extend its life, which matters when it runs hard through Nelson winters. Many installers offer servicing plans.
Yes, most heat pumps both heat and cool, which is useful for warmer Nelson summer days. If cooling matters to you, mention it so the installer recommends a unit and placement that does both well.
Editorial disclosure: TopChoice is an independent editorial platform. Some pages may include clearly labelled featured placements for additional visibility. Featured placements do not influence rankings within our Top 5 lists.
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