OneEnergy.nz

OneEnergy.nz Power your existing Hot Water Cylinder with Solar
Visit our blog page here ☀️ https://www.oneenergy.nz/blogs No plumbing or element changes are required.

OneEnergy.nz fits electric solar panels to your existing hot water cylinder to heat your water. It works with any conventional hot water cylinder regardless of the age or size, and is grid-boosted to ensure you always have hot water. It’s maintenance-free, noise-free and will provide you with savings for 25+ years. It's effective, affordable and the sensible way for Kiwi’s to heat hot water.

04/05/2026

How does our OneEnergy.nz System work in your home? 🏡💧

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Check out our online demo! 💻 .nz
01/05/2026

Check out our online demo! 💻

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OneEnergy.nz offers New Zealand’s most affordable solar hot water heating system. Use your existing cylinder and enjoy twice the lifespan of hot water heat pumps.

See how our OneEnergy.nz Solar Panels are installed! ☀️ .nz
23/04/2026

See how our OneEnergy.nz Solar Panels are installed! ☀️

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Snapshots from the Canterbury Home Show! 🏡💧 OneEnergy.nz
31/03/2026

Snapshots from the Canterbury Home Show! 🏡💧

OneEnergy.nz

If you’ve been wondering about solar-electric hot water, this one’s for you!💧 OneEnergy.nz
24/02/2026

If you’ve been wondering about solar-electric hot water, this one’s for you!💧

OneEnergy.nz

Simple upgrade, big impact! Check out this install - simple, efficient, and ready to save! OneEnergy.nz
26/12/2025

Simple upgrade, big impact! Check out this install - simple, efficient, and ready to save!

OneEnergy.nz

Thinking about going solar? Check out what The Lever Room has to say about OneEnergy.nz’s solution💧 OneEnergy.nz
23/12/2025

Thinking about going solar? Check out what The Lever Room has to say about OneEnergy.nz’s solution💧

OneEnergy.nz

Your home could be next! Switch to solar-electric hot water with OneEnergy.nz ☀️ OneEnergy.nz
23/12/2025

Your home could be next! Switch to solar-electric hot water with OneEnergy.nz ☀️

OneEnergy.nz

Want to know more about your hot water? Find OneEnergy.nz’s sustainable solution below ↓ OneEnergy.nz
22/12/2025

Want to know more about your hot water? Find OneEnergy.nz’s sustainable solution below ↓

OneEnergy.nz

Lower power bills start with smarter hot water ☀️💧 OneEnergy.nz
19/12/2025

Lower power bills start with smarter hot water ☀️💧

OneEnergy.nz

Address

Level 1/293 Durham Street North
Christchurch
8013

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 4pm

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