
Why Choose Electric Hot Water?
Electric hot water systems remain the most common choice across NZ because they are:
- Affordable to install
- Reliable and long-lasting
- Compatible with most homes
- Low maintenance
- Available in many sizes & pressure options
- Ideal for homes without gas supply
They are also compatible with modern upgrades, such as smart controllers, efficient heat pump systems, and whole-home filtration.
Our Electric Hot Water Services
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Hot Water Cylinder Repairs
If your electric cylinder is leaking, tripping the switchboard, or failing to heat properly, we can diagnose and repair all major brands.
Common issues we fix:
- No hot water
- Lukewarm or inconsistent temperature
- Burst or leaking cylinders
- Faulty thermostats or elements
- Low pressure problems
- Overflowing valves
If the repair cost isn’t worth it, we’ll recommend the best replacement option for your home.
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Hot Water Cylinder Replacements
An aging or damaged cylinder can fail unexpectedly—often at the worst time.
We supply and install a full range of electric hot water cylinders:- Low pressure cylinders
- Mains pressure cylinders
- Indoor or outdoor units
- Stainless steel or enamel options
- Fast recovery models for large households
We ensure your new cylinder meets all NZ building code and safety requirements.
Popular brands we supply & install include:
- Rheem
- Bosch
- Rinnai (electric models)
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Hot Water Heat Pump Systems
Want lower power bills?
Electric heat pump hot water is one of the most energy-efficient solutions on the market.We install modern heat pump systems that use up to 70% less energy than traditional cylinders.
Benefits include:
- Lower electricity costs
- Eco-friendly operation
- Fast heat recovery
- Compatible with most households
We can advise whether a heat pump is right for your home or business.
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Smart & Efficient Upgrades
If you want better control and lower running costs, we can add:
- Smart timers
- Peak/off-peak controllers
- Automatic mixing valves
- Scale reduction filters
These upgrades improve performance, increase safety, and help your system last longer.
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New Builds & Renovations
We work closely with builders, architects, and homeowners to design the perfect hot water solution for your project.
Services include:
- System design & water pressure planning
- Pipework installation
- Cylinder placement for optimal efficiency
- Safety valves, overflow, and compliance
- Electrical & plumbing coordination
Whether it’s a new home, extension, or renovation, we ensure a seamless installation.
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Annual Servicing & Safety Checks
A well-maintained electric hot water system lasts longer and uses less power.
Our service includes:
- Element & thermostat testing
- Temperature checks
- Valve inspection & replacement
- Leak detection
- Pressure safety testing
Annual servicing keeps your system safe and running efficiently.

Who We Work With
- Residential homeowners
- Landlords & property managers
- Commercial buildings
- Schools & childcare facilities
- Hospitality & kitchens
- New builds & renovations

Why Choose Aqua?
- Certified plumbers & drainlayers
- Professional installation, maintenance & repairs
- Fast, friendly service
- Honest advice—no unnecessary upsells
- Full supply + install service
- Competitive pricing
- Compliance documentation included
Our goal is simple: hot water you can count on, installed right the first time.
