How much does it cost to replace hot water units?

The cost of replacing your hot water unit can vary depending on several factors, including the type of system (e.g., gas, solar), brand, and specific requirements of your installation. At My Xpert Plumbers, we offer transparent pricing based on the type or brand of hot water system you’re considering. Our friendly team is always ready to provide you with a free quote, ensuring you can make an informed decision and stay within your budget for your hot water needs.

Which system is more efficient?

There are four primary types of hot water heaters and systems available. Solar boosted systems, which are augmented by either gas or electricity, derive the majority of their energy from the sun, making them the most efficient option. Households utilizing this type of hot water heating may qualify for government rebates (contact our team for further details). Gas hot water units of good quality represent the next viable choice and can be particularly suitable for larger households. If neither gas nor solar options are viable, heat pump or electric tank systems offer reliable and consistent hot water supply as alternatives.

How does a water heater work?

All hot water systems require a water heater to heat the water, but the mechanisms vary depending on the type of hot water unit. In tankless units or gas hot water systems, air is drawn in, the gas valve is opened, and a flame is ignited to heat the water. On the other hand, in tank storage water heaters, hot water is continuously delivered once you turn on the tap. The water is heated by a heating mechanism located at the bottom of the tank.

What is difference between gas hot water systems and electric hot water units?

Natural gas is an instantaneous flow that works with time efficiency a consistent ability to capture heat. This type of water heater works by a temperature gauge monitoring the water within the insulated tank and heating with a flame once cooled. Gas can be cheaper to run and replace than an electric water heater but can have a more expensive installation process and be less environmentally efficient, with the water maintaining continuous flow hot water. Electric unit systems are available for more diverse use and are high efficiency, with options for large or small usage, and will only heat the water when needed. Electric systems are perfect for a single or double-person household, but large families may struggle with waiting for the water to heat up after continuous use. Electric systems don’t need a large water tank or big storage systems and are suited for smaller spaces. Unlike gas, these systems will impact your electricity bill. The cost of maintaining this type of unit is higher than that of gas.

What is the cheapest to run?

In general, if gas is accessible, a gas hot water system typically offers the most cost-effective operation, as its usage doesn’t impact the electricity bill. Alternatively, if gas isn’t an option, electric hot water systems serve as a close competitor, heating water only when needed. For larger households, a tank storage system, which stores hot water, is often the most efficient choice. However, if your hot water usage is sporadic or low, a system that heats water on demand may be more suitable. Our specialists can collaborate with you to identify the optimal hot water system for your specific household and circumstances. With numerous factors to consider and a variety of available systems, we can determine the solution that best suits your long-term needs and preferences.

Do hot water need servicing?

Hot water systems typically have a lifespan of up to 12 years, but regular servicing is crucial to prevent breakdowns, especially at inconvenient times. Non-serviced systems may develop issues such as increased noise during operation, inconsistent water heating, or eventual breakdowns, necessitating larger repairs in the future. Having a qualified plumber inspect your system, including the storage tank, temperature, and pressure valve, annually can help you avoid such issues and save time and money in the long term. Regular servicing ensures that your hot water system operates efficiently and reliably throughout its lifespan.

How often should I replace my anode rod?

Anode rods typically last 3-5 years, based on water quality and usage. Our plumbers can check your anode during maintenance visits and advise replacement if necessary.

Does home insurance cover a hot water system?

Coverage varies by policy, but many home insurance plans do include hot water systems. Verify with your provider for specific details on your coverage.

How do I service my hot water system?

Regular servicing by a licensed plumber is critical. Our maintenance services include cleaning, inspections, and preventative measures to keep your system running smoothly.

No Hot Water? Melbourne Hot Water Repairs & Replacements

Home Services Hot Water Repairs

Get In Touch

On Time, Every Time
Same-Day Service
No Hourly Charges – Upfront Pricing
Licensed & Insured Local Expert
Emergency Service 24/7

No Hot Water? We Can Help

Woken up to a cold shower, water that won’t heat, or a system that’s just stopped? You don’t need to work out what’s gone wrong – that’s our job. Give us a quick description of what’s happening and a licensed Melbourne plumber will diagnose it, explain it in plain English, and tell you the fix.

It could be any of these – we’ll find it:

A faulty heating element or thermostat
Pilot light or ignition problems
Gas supply or burner issues
Electrical or wiring faults
A leaking or burst tank
Tank or system failure
General wear on an ageing unit

Whatever the cause, we’ll diagnose it, explain it plainly, and give you an upfront price before any work starts – no hidden fees, no surprises.

Get a free quote

03 9034 6480

Government Rebates Available

My Xpert Plumbers Melbourne is partnered with accredited providers under the Victorian energy upgrade program. Rebates are now available on Heat Pump, Ducted Reverse Cycle Systems, Split Systems and more!

Get a free quote

03 9034 6480

Hot Water Systems We Repair & Replace

We work on every common Melbourne setup:

Gas hot water
Electric hot water
Solar hot water
Heat pump hot water
Continuous flow / instantaneous
Storage tank systems

Problems we fix:

No hot water / won’t heat up
Running cold or only lukewarm
Leaking or burst tank
Pilot light or ignition faults
Noisy, dripping or ageing system
Honest repair-or-replace advice

We’re experienced across all the major brands too.

Get a free quote

03 9034 6480

Should You Repair or Replace Your Hot Water System?

Not every hot water problem needs a new system. Often a repair is the faster, cheaper fix — and that’s usually where we start.

When a repair often makes sense:

The system is relatively new
The fault is a single component — an element, thermostat, valve or ignition
The unit has otherwise been reliable

When replacement may be worth considering:

The system is old and failing repeatedly
Repairs are adding up, or parts are hard to source
You want a more efficient or better-sized system for the household

We’ll always check whether a repair will get you going again first. If a replacement genuinely makes more sense, we’ll explain why and give you clear options — no pressure, no automatic upsell. And if you’re upgrading, we’ll let you know whether you qualify for a Victorian Energy Upgrades (VEU) rebate, with interest-free options through Zip and humm.

Why Choose My Xpert Plumbers for Your Hot Water Needs in Melbourne?

There’s many reasons to call up My Xpert Plumbing for hot water support in Melbourne.

Licensed & insured local experts - VIC 118225 / AU 61684
Charged by the job, not the hour - upfront pricing, no hidden fees
Free quote and a free inspection with any service
Melbourne locals - a team that knows local homes and gets there quickly
Accredited and trusted - Master Plumbers, VBA, Solar Victoria, ARC and ESV
Interest-free options available through Zip and humm
Premium customer service and support

We have everything you need, including a free plumbing inspection with any service.

Interest free options

License NumbersVIC 118225 / AU 61684

Get In Touch

How It Works

Tell us the problem – call us or request a callback and describe what’s happening.
We diagnose it – a licensed plumber assesses the fault and gives you the price upfront.
We repair or replace – with your go-ahead, and we tidy up after ourselves before we leave.

Get a free quote

03 9034 6480

Want to Avoid the Next Breakdown?

Regular servicing keeps your system running efficiently and helps you avoid a cold-shower surprise down the track. We service and maintain gas, electric, solar and heat pump systems — flushing tanks, checking valves and elements, and catching small faults before they become big ones.

Get a free quote

03 9034 6480

Frequently asked questions

Do you repair, or only replace?

We repair first wherever it makes sense. Plenty of hot water problems come down to a single part – an element, thermostat, valve or ignition fault – and a repair gets you going again faster and cheaper. We’ll only recommend a replacement if a repair genuinely won’t do the job, and we’ll explain why.

Do you work on gas, electric, solar and heat pump systems?

Yes – all of them, plus continuous flow and storage tanks, across all the major brands like Rinnai, Rheem, Bosch and Dux.

What will a repair cost?

We charge by the job, not the hour, and give you the price upfront before any work starts – so there are no hidden fees or surprises.

Are you licensed and insured?

Yes – fully licensed and insured Melbourne plumbers (VIC 118225 / AU 61684), and accredited with Master Plumbers, the VBA, Solar Victoria, ARC and ESV.

Which areas do you cover?

We service hot water across Melbourne and surrounds.

Can I get a rebate if I need to replace?

If you’re upgrading – for example to a heat pump – you may qualify for a Victorian Energy Upgrades (VEU) rebate. We’re an accredited provider and can tell you what you’re eligible for, with interest-free options through Zip and humm.