Best Heat Pump Installers in Nelson
We assessed 16 heat pump installers in Nelson and ranked the top 5 on public rating quality, review volume and how recent the reviews are. The businesses listed below hold 1,525 Google reviews between them. No business can pay for a place in these rankings. Last updated 22 September 2026. How we rank →
Before you hire
Heat pump specialists range from installers of single high-wall units to ducted systems, and most also service existing units. Connecting a heat pump to mains power is prescribed electrical work, so confirm your installer is listed on the Electrical Workers Registration Board register before booking. Refrigerant handling is covered by industry certification rather than a government licence, so ask what qualification the technician holds. Ask installers which brands they are authorised to install, what the manufacturer warranty covers, and what the running cost estimate is for your space.
Top 5 Heat Pump Installers in Nelson
The top 5 heat pump installers in Nelson are #1 Tim Miller Plumbing, #2 Enriched Plumbing & Gas, #3 Tuffnell Plumbing, #4 Fusion Plumbing and Solar, and #5 HRV Nelson, ranked by Top5 score. Scroll for our take on each, plus what to ask before you hire.
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1
Tim Miller Plumbing Ltd
★ 4.9 477 reviews Top5 Score 1785★ 430 4★ 38 3★ 4 2★ 3 1★ 2Tim Miller Plumbing gets tradespeople out fast, with same-day and after-hours responses noted across a wide spread of jobs including blocked sewers, leaking pipes, and hot water repairs. Crews arrive at the agreed time, keep clients informed if they need to step away, and invite a final inspection before leaving the site.
location_on 55 Bolt Road, Tāhunanui, Nelson
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2
Enriched Plumbing & Gas | Trusted Plumbers | Nelson
★ 4.9 326 reviews Top5 Score 1735★ 313 4★ 11 1★ 2Enriched Plumbing & Gas draws repeat clients across gas heating, hot water cylinders, califont issues, and drain clearing, with technicians like Dan and Rich taking time to explain what they found before and after the work. Quotes come in clearly upfront, and the final cost lands where it was expected, with photos included on invoices for some jobs.
location_on 65 Washbourn Drive, Richmond
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3
Tuffnell Plumbing Drainage & Gas | Plumber Nelson
★ 4.7 223 reviews Top5 Score 1635★ 196 4★ 10 3★ 7 2★ 2 1★ 8Tuffnell Plumbing gets called when things go wrong fast, turning around emergency jobs like burst pipes, underground leaks, and after-hours sewer blockages on the same day, including weekends. Technicians like Matt take time to walk clients through options and costs on the spot, and worksites are tidied before the crew leaves.
location_on 46 Beach Road, Richmond
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4
Fusion Plumbing and Solar
★ 4.9 124 reviews Top5 Score 1615★ 113 4★ 10 1★ 1Fusion Plumbing and Solar gets work completed on time and at or under the quoted price, with clients kept informed at each stage and given sign-off before work proceeds. Tamara at reception and the on-site crews are noted separately for being organised and easy to reach, so coordination rarely falls through the cracks.
location_on 10/20 Forests Road, Stoke, Nelson
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5
HRV Nelson & Marlborough
★ 4.8 115 reviews Top5 Score 1585★ 101 4★ 10 3★ 2 2★ 1 1★ 1HRV Nelson fits households looking to tackle cold, damp rooms through heat transfer systems and whole-home ventilation, with consultants like Shaz and Bryan noted for explaining options clearly and letting clients decide without pressure. Installations are completed quickly after confirmation, crews clean up thoroughly on the day, and service technicians like Evan take time to walk through how the system works and what future upgrades might look like.
location_on 4/1 Koru Place, Stoke, Nelson
Before you hire a heat pump installer in Nelson
Drawn from 200 customer reviews collected for this page. The first answer is what it costs.
What does heat pump installation typically cost in New Zealand? expand_more
A single split-system heat pump, supply and installation combined, runs between $2,000 and $4,500 for most living rooms and bedrooms. Multi-head systems covering several rooms range from $5,000 to $12,000 or more.
Ducted systems cost more again, given the additional labour and materials involved. Factors pushing prices up include long pipe runs, high wall mounting, and any electrical switchboard upgrades needed.
How do I know if a heat pump installer is qualified and certified? expand_more
The electrical connection to mains power is prescribed electrical work under the Electricity Act 1992, so anyone doing it for payment must be registered with the Electrical Workers Registration Board (EWRB) and hold a current annual practising licence, which you can verify on the EWRB public register using the number they give you. Ask for that registration number before you agree to anything.
On refrigerant handling, there is no government occupational licence for heat pump technicians in New Zealand, so what you are looking for is an industry credential issued through the Refrigerant Licence Trust Board, which restricts access to refrigerants among technicians who can demonstrate competence. If you are applying for a Warmer Kiwi Homes subsidy through the Energy Efficiency and Conservation Authority (EECA), your installer must also be accredited under that programme, which is a separate programme-specific requirement rather than a general legal one.
How do I know if the heat pump I'm being sold is the right size for my room? expand_more
A legitimate sizing assessment uses a heat load calculation that accounts for your room's floor area, ceiling height, insulation, window size, and local climate, not just a rough guess from square metres alone. As a starting point, budget around 100 to 125 watts of capacity per square metre, meaning a 20 to 30 square metre bedroom suits a 3 kW unit, while a 50 to 70 square metre open-plan living area needs 5 to 7 kW or more. Nelson's climate sits in the middle of the New Zealand range, but an undersized unit will run flat out and still fall short in winter, while an oversized unit short-cycles and handles humidity poorly, so push any installer to show their working before you accept a recommendation.
What are the warning signs of a heat pump installer you shouldn't hire? expand_more
- –An installer who cannot give you an EWRB registration number on request, or becomes evasive when you ask to verify it, is a clear red flag.
- –Vague or dismissive answers about what refrigerant handling qualification the technician holds suggest the business may be cutting corners on a specialised part of the job.
- –Charging for a site visit that was advertised as free, as one reviewer reported, signals that terms are not being communicated honestly upfront.
- –Promising a quote and then going silent, with no follow-up and no explanation, wastes your time and suggests poor business practices that will likely continue post-installation.
- –A business that books appointments without telling the customer the date or time, and then ignores follow-up calls, points to a serious communication problem at the admin level.
- –Complaints about workmanship with no offer to remedy the issue, and refusal to provide a fully itemised invoice, are signs you should walk away.
What should you ask before hiring a heat pump installer? expand_more
- –Ask for the installer's Electrical Workers Registration Board (EWRB) registration number and check it on the EWRB public register before any work begins.
- –Ask what refrigerant handling qualification the technician holds, since it is an industry credential rather than a government licence, and a credible installer will name it clearly.
- –Ask which brands they are authorised to install, because manufacturer accreditation is tied directly to the warranty on your unit.
- –If you may be eligible for a Warmer Kiwi Homes subsidy, ask whether the installer is accredited through the Energy Efficiency and Conservation Authority (EECA) approved provider scheme before committing.
- –Ask how they determine the right unit size for your space, and expect an answer that references your room dimensions, insulation, and local climate rather than a generic figure.
- –Confirm exactly what the quoted price includes: indoor unit, outdoor unit, all pipework, electrical connection, and a test run, and ask what would trigger additional charges.
Also recommended heat pump installers in Nelson
Ranked 6 to 10 on the same public review record.
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6
Nelson Heat Pumps
★ 4.8 109 reviews Top5 Score 1555★ 101 4★ 3 1★ 5Nelson Heat Pumps covers new installations, servicing, repairs, and ducted system work, with multiple clients noting technicians arrived the same day they called, including on urgent jobs. Crews are specific about what they find, whether resetting airflow dampers, sourcing replacement parts, or sizing and positioning a new unit, and worksites are left clean when they go.
location_on 23B Packham Crescent, Stoke, Nelson
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7
LCR Group
★ 5.0 64 reviews Top5 Score 1545★ 64LCR Group covers heat pump installation, servicing, and full hygiene cleaning, with Andy returning to install units for clients across multiple properties and multiple visits over time. He takes time on site to answer questions about how the unit works, leaves the space clean and tidy, and clients regularly come back for follow-up work rather than looking elsewhere.
location_on 21 Norrie Place, Stoke, Nelson
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8
EcoPure Heat Pump Tasman
★ 5.0 30 reviews Top5 Score 1445★ 30EcoPure Heat Pump Tasman specialises in deep cleaning heat pumps, flushing out built-up mould, dust, and debris, with clients regularly seeing units change colour in the wash water and reporting noticeably faster heating and lower power bills afterwards. Tifenn brings his own water supply, collects all wastewater in a self-contained system for off-site disposal, and uses plant-based, non-toxic cleaning products throughout.
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9
Richmond Electrical First - Nelson
★ 5.0 22 reviews Top5 Score 1405★ 21 4★ 1Richmond Electrical First suits households needing heat pump installation handled alongside other electrical work, from switchboard upgrades to wiring corrections, all coordinated through a single team. Alex and crew are noted for arriving promptly, explaining issues clearly on site, and holding to their quoted price even when jobs run longer than expected.
location_on 6/2 McGlashen Avenue, Richmond
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10
Fusion Air Temp
★ 4.8 35 reviews Top5 Score 1405★ 33 1★ 2Fusion Air Temp coordinates single-unit wall-mounted installs, multi-room systems, and ducted setups, with Steve taking time on-site to assess what will actually work for each home before anything is quoted. Crews arrive at the agreed time, lay drop sheets, and walk clients through the wifi app and controls before they leave, so there are no follow-up calls needed to figure out the basics.
location_on 26 Gloucester Street, Nelson
About this ranking
What the 10 heat pump installers listed above hold, at the 22 September 2026 check.
Across the 14 locations we assess heat pump installers in, the 140 businesses listed have a median rating of 4.9, and one-star reviews are 2.2% of their total.
How are the top heat pump installers in Nelson chosen? expand_more
We build this page from Google Maps results for heat pump installers in Nelson. Each one is scored on its public rating and review record. Businesses outside the area, or whose reviews describe a different line of work, are left out. Every category and city is rechecked on a rolling cycle, about every two to three months. A location with a subscribing business is rechecked every month, and the whole page updates with it. See how we rank for the full method.
What does a business subscription offer? expand_more
No business can pay for a place in these rankings. Claiming and verifying a listing is free. It adds a phone number to the card and a small trust bonus (+3 points) to its score, for confirming a real operator stands behind the listing. The owner also gets a dashboard showing how their score is made up. A paid subscription provides an enhanced card with more ways to reach the business, including a website link and a detailed profile page. It also refreshes this page monthly and adds ranking history and competitor analysis to the owner's dashboard. The subscription adds nothing to the score. Claim your listing or see what a subscription includes.
Why isn't my business listed? expand_more
We build this page from Google Maps results for heat pump installers in Nelson. The usual reasons for missing out are a Google Business category that does not match, too few reviews to score near the top, or an address outside the area we cover. Sometimes we miss a business that should be here. Check where you rank first. If you are not there and think you should be, get in touch.