Nelson's cold winters despite its sunny reputation make heat pumps a popular choice. Nelson-Tasman has active Warmer Homes grants — check if you qualify for subsidised heat pump installation. Here's what heat pump installers charge in Nelson in 2026.
Nelson Heat Pump Installation Costs 2026
| Service | Nelson typical cost |
|---|---|
| Single split system (supply + install) | $3,200–$5,800 |
| Multi-split system 2 indoor units (supply + install) | $5,500–$11,000 |
| Ducted heat pump system (whole home) | $12,000–$28,000 |
| Heat pump service / regas | $180–$480 |
| Relocate existing heat pump | $480–$1,100 |
| Heat pump removal | $250–$600 |
All prices GST inclusive. Broadly regional. Prices vary significantly by kW capacity and brand.
Heat Pump Sizing for Nelson
The right kW capacity depends on your room size:
| Room size | Recommended capacity |
|---|---|
| Small bedroom / office (<15m²) | 2.0–2.5 kW |
| Medium living room (15–30m²) | 2.5–4.0 kW |
| Large open plan (30–60m²) | 5.0–7.0 kW |
| Very large / high stud (60m²+) | 7.0–12.0 kW |
A good installer will assess your room dimensions, insulation, and windows before recommending a size. Don't just go by the cheapest unit — undersized heat pumps run constantly and don't heat properly.
Nelson Heat Pump Market
Nelson's cold winters despite its sunny reputation make heat pumps a popular choice. Nelson-Tasman has active Warmer Homes grants — check if you qualify for subsidised heat pump installation.
Popular Brands in NZ
| Brand | Notes |
|---|---|
| Mitsubishi Electric | Premium reliability, very popular in NZ |
| Daikin | High efficiency, good range |
| Fujitsu | Strong mid-range option, good value |
| Panasonic | Good efficiency ratings |
| LG | Competitive pricing |
| Samsung | Good warranty options |
All major brands sold in NZ perform well. Mitsubishi Electric and Daikin have the best service network.
Installation Requirements
- Heat pumps must be installed by a registered refrigeration technician (handling refrigerant is restricted)
- Outdoor unit must have adequate clearance (check manufacturer spec — usually 300mm+)
- Some apartment buildings have rules about outdoor unit placement — check your body corporate
Warmer Homes / Healthy Homes: Rental properties must meet Healthy Homes Standards for heating — a heat pump is the most common compliant heating solution.
Find Nelson heat pump installers: Heat Pump Installers Nelson | Post a Job Free
How much does heat pump installation cost in Nelson? Single split system (supply + install): $3,200–$5,800. Multi-split 2 rooms: $5,500–$11,000.
Related: Heat Pump Cost NZ | Insulation Installers Nelson