Martella Refrigeration & Air Conditioning
- Installs heat pumps
- Heat pump hot water
- Servicing and cleaning
Typical NZ installed prices
| Heat pump | Typical installed price |
|---|---|
| Small high-wall, about 2.5 kW (bedroom, small room) | $2,000 to $3,200 |
| Medium high-wall, about 5 kW (lounge) | $2,800 to $4,800 |
| Large high-wall, about 8 kW (open-plan living) | $3,500 to $5,500 |
| Ducted, whole house | $12,000 to $22,000 |
Installed prices, including GST, for a standard back-to-back install. Based on published price guides from eight NZ installers and retailers, updated Oct 2026. What changes the price
What size heat pump do you need in Blenheim?
Enter the room size and how well it holds heat for a rough size. An installer confirms it when they measure up.
About 5 kW
A rule of thumb NZ installers use, for a room with a standard 2.4 m ceiling. High ceilings, big windows and open-plan spaces need more, so an installer should confirm it.
Compare 8 installers in Blenheim
Sorted with heat pump specialists first, then electricians and other trades, each by Google rating and review count. Blenheim is in the Cold zone on the heat pump energy label, like the rest of New Zealand, so compare models on their Cold-zone stars. How to compare heat pump brands
Pure Air Conditioning
- Installs heat pumps
- Multi-room systems
- Servicing and cleaning
Marlborough Refrigeration , Heat Pumps and Electricals
- Installs heat pumps
- Ducted systems
- Servicing and cleaning
Mint Air Ltd.
- Installs heat pumps
- Ducted systems
- Multi-room systems
Laser Electrical Blenheim
- Installs heat pumps
- Servicing and cleaning
- Home ventilation
Marlborough Plumbing & Heating Ltd
- Installs heat pumps
- Heat pump hot water
- Home ventilation
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Cuddon Limited
- Installs heat pumps
- Ducted systems
- Multi-room systems
Wairau Electric
- Installs heat pumps
- Home ventilation
- Commercial work
Heat pump services in and around Blenheim
Before you get quotes in Blenheim
What Size Heat Pump Do I Need in NZ?
How to work out the right size heat pump for a room in New Zealand, what the kW figures on the energy label mean, and why bigger isn't better.
Homeowner guideHow Much Does a Heat Pump Cost in NZ?
What changes the price of a heat pump in New Zealand, how to compare quotes, how to work out running costs from the energy label, and your rights.
Homeowner guideDucted vs High-Wall Heat Pumps: Which Suits Your Home?
Ducted or high-wall heat pump? How they compare on comfort, looks, ceiling space, zoning and the kind of NZ home each one suits.
Homeowner guide
Heat pump installers in Blenheim lean toward air conditioning and refrigeration specialists, with electricians and a plumbing and heating firm filling out the rest. All 8 installers working from the town install heat pumps, and the town's reviews are strong: 285 Google reviews across them with an average of 4.9.
Martella Refrigeration & Air Conditioning has served Marlborough from Blenheim since 1983 and has the longest review history, 4.9 from 83 reviews. It installs heat pumps and hot water heat pumps and takes on commercial HVAC and winery refrigeration. Pure Air Conditioning is a locally owned Blenheim business that specialises in heat pump installation, servicing and fault finding, with 5.0 from 43 reviews. Marlborough Refrigeration, Heat Pumps and Electricals is owner operated, covers ducted systems and commercial refrigeration, and has 5.0 from 30.
Mint Air Ltd serves Greater Marlborough, including Blenheim, Picton, Havelock and Seddon, and installs single room, multi-room and whole-home ducted systems with optional zone control. It has 4.9 from 21 reviews. Cuddon Limited has operated for more than 80 years and spreads across engineering, irrigation, refrigeration and heat pumps. It handles wall mounted, ceiling mounted, floor console, ducted and multi-room systems and has 4.9 from 9 reviews.
Marlborough Plumbing & Heating Ltd is the odd one out. Most of its heating jobs pair an air-to-water heat pump with underfloor heating, radiators or both, plus room or zone controls. It has worked from Blenheim since 2002 and has 4.5 from 20 reviews. If you want hydronic heating rather than a wall unit, that is the kind of work to ask about.
The electricians reach out of town. Laser Electrical Blenheim covers Blenheim, Picton, Renwick and the Sounds, with 4.9 from 74 reviews. Wairau Electric serves Renwick, Picton and the Sounds, Seddon and the Awatere Valley, Havelock and Kaikōura, and has 5.0 from 5. If you live outside Blenheim itself, those two list your area by name.
Marlborough District Council is the building consent authority for the town, so check with it for your own address.
Martella Refrigeration & Air Conditioning also lists Warmer Kiwi Homes. Warmer Kiwi Homes grants can cover part of the cost of a heat pump for eligible owners, and eligibility is checked on EECA's website. Nelson, Richmond and Māpua have their own pages for anyone across the Cook Strait side of the region.
Common questions about heat pump installers in Blenheim
Who in Blenheim installs ducted heat pumps?
Marlborough Refrigeration, Heat Pumps and Electricals, Mint Air Ltd and Cuddon Limited all install ducted systems. Mint Air offers whole-home ducted systems with optional zone control, and Cuddon also does ceiling mounted and floor console units.
Which Blenheim businesses work with Warmer Kiwi Homes?
Martella Refrigeration & Air Conditioning lists Warmer Kiwi Homes among its services and has 4.9 from 83 reviews. Warmer Kiwi Homes grants can cover part of the cost of a heat pump for eligible owners, and you can check eligibility on EECA's website.
Can I heat a Blenheim house with underfloor heating from a heat pump?
Marlborough Plumbing & Heating Ltd pairs an air-to-water heat pump with underfloor heating, radiators or both. It has fitted over 600 radiators and has worked from Blenheim since 2002. It has 4.5 from 20 reviews.
Who installs heat pumps in Renwick, Picton or Seddon?
Laser Electrical Blenheim covers Blenheim, Picton, Renwick and the Sounds. Mint Air Ltd serves Blenheim, Picton, Havelock and Seddon. Wairau Electric serves Renwick, Picton and the Sounds, Seddon and the Awatere Valley, Havelock and Kaikōura.
Who will service heat pumps of any make in Blenheim?
Pure Air Conditioning services all makes and models and does fault finding, and has 5.0 from 43 reviews. Marlborough Refrigeration, Heat Pumps and Electricals offers maintenance and servicing as well.
How much does a heat pump cost in Blenheim?
Typical installed prices in New Zealand run $2,000 to $3,200 for small high-wall, about 2.5 kW, $2,800 to $4,800 for medium high-wall, about 5 kW, $3,500 to $5,500 for large high-wall, about 8 kW, $12,000 to $22,000 for ducted, whole house. A Blenheim quote moves with the size, the brand, how far the pipes run and where the outdoor unit goes. Based on published price guides from eight NZ installers and retailers, updated Oct 2026.
What size heat pump do I need for a Blenheim lounge?
As a rough guide, allow about 120 watts per square metre in a well-insulated room, 140 in an average one and 160 in an older, draughty one. A 30 m² lounge works out at about 4.2 kW with average insulation and 4.8 kW if it loses heat. Heat pumps come in set sizes, so both round up to a 5 kW unit. Use the calculator above for your room, then have an installer confirm it.
Towns near Blenheim
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Pricing for heat pump installers