Heat pumps are one of the most efficient ways to heat a home, and in Invercargill, where Southland's cool, wet climate, frequent frosts, lower sunshine hours and strong southerly winds, 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 Invercargill, based on independent research into reputation, installation quality, servicing and reliability.
The top 5 heat pump installers in Invercargill are 1. Invercargill Heat Pumps, 2. Southland Home Ventilation, 3. Southland Heat Pumps, 4. Inside Systems, 5. Southland Electrical & Refrigeration. 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.
With over 35 years installing and servicing heat pumps, Invercargill Heat Pumps are Daikin specialists and Toshiba dealers offering domestic and commercial heating across Southland.
Southland Home Ventilation offer heat pump systems and ventilation in Invercargill, with expert electricians sizing the right system for each home.
Southland Heat Pumps install a wide range of brands including Mitsubishi, Daikin and Fujitsu, plus hot water heat pumps and ventilation, with certified technicians.
A locally owned business with over 30 years in the industry, Inside Systems deliver heating, cooling and ventilation across Invercargill, Southland and Central Otago.
Southland Electrical & Refrigeration install, maintain and replace heat pumps and air conditioning for homes, commercial and light industrial across Southland.
A quick comparison of our Top 5 picks.
| Heat Pump Installer | Best for |
|---|---|
| Invercargill Heat Pumps | Experienced heat pump install and service |
| Southland Home Ventilation | Heat pumps and home ventilation |
| Southland Heat Pumps | Multi-brand heat pump installs |
| Inside Systems | Whole-home heating and ventilation |
| Southland Electrical & Refrigeration | Heat pumps with refrigeration expertise |
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 Invercargill, long, cold winters make efficient, powerful heating essential, 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. Southland's long, cold winters mean heat pumps are sized generously and chosen for strong low-temperature heating output. 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 with strong cold-climate heating output, installed and serviced by local Southland 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 Invercargill, 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 Invercargill winters. Many installers offer servicing plans.
Yes, most heat pumps both heat and cool, which is useful for warmer Invercargill 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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