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A professional helping with water heater installation and repair.

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4.2

Great rating - 4.2/5 (11114+ reviews)

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Recent Hot Water System Installation & Repair reviews

Danny was exceptional — prompt, professional, and faultless. Hot-water service refitted seamlessly with care and attention to detail. Couldn’t recommend him more highly.

Replace Stiebel Instant Hot water System

$150

Great to deal with. Prompt and friendly

Hot water tank replacement

$300

Thanks, Jordon. Great job and advice for future projects. Would highly recommend!

Plummer to fix leaky tap and look at hot water system leak

$100

Grant fixed everything for us. So efficient and professional. Thank you!

Need a plumber to look at my apartment hot water. It’s not hot enough

$150

Gunn is very professtion and knows his work.

Emergency plumber for hot water geezer leakage

$100

Great service, no issues at all

Supply and repair hot water tempering valve - licensed plumbers only

$250

What's the average cost of a hot water system installer

$115 - $275

low

$115

median

$180

high

$275

Low, median and high bar chart distribuiton

Average reviews for Hot Water System Installation & Repair Services

based on 1748 reviews

4.93

1681
37
16
4
10

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5,000+

Tasks successfully completed

3

Average amount of offers per task

9

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Average time to receive offers

Statistics from the most recent tasks on Airtasker over the last 4 years.

Why hire a hot water system technician through Airtasker?

When you don’t have hot water flowing through your taps, showers, or tubs, hiring a hot water system specialist via Airtasker is the answer. You no longer have to rely on word-of-mouth to find a reliable water heater installation service near you. Whether it involves unvented cylinders or vented cylinders, Taskers can take care of all your heating system needs.

Put up a task on our platform, provide your address, cylinder specifications, and how soon you want hot water running through your taps. Nearby Taskers will ask about the installation job and give you a free quote. Note that you can choose a Tasker based on their rate, but this doesn’t have to be the only criteria. You can check out reviews and ratings so that you can decide based on their experience and skills.

Once you've accepted an offer, your chosen Tasker will have your unvented or vented hot water system installed in no time. Getting hot water to flow throughout your home is easy and convenient on Airtasker.

Offers in no time

Start getting offers to do your task ASAP!

Local, skilled pros

Take your pick of skilled Hot Water System Installers nearby.

Real reviews

Judge for yourself – every task gets a review.

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Choose the offer that’s right for you.

What do hot water system installation services include?

Hot water system installation services include all the activities necessary to put a reliable, safe hot water system in your home. This involves installing an unvented hot water system, inspecting the installation area, preparing materials, installing the cylinder or tank, then making the needed connections. After the installation, your plumber can test the system for flaws and address them as needed.

Inspecting installation area

Your water heater installation begins with a thorough inspection of the spot that will house the tank and its components. Your plumber makes sure that the floor is robust enough to support the cylinder's weight and complies with established building codes and safety rules and regulations. If the allotted space is deemed insufficient for the cylinder, your plumber can help you look for an alternative spot for the unvented cylinder service. 

Preparing for installation 

Your plumber makes the necessary preparations for the hot water cylinder installation. If necessary, some plumbers may offer to make an improvised platform of sturdy materials to support the tank's weight. Otherwise, you can hire a Tasker to handle all your carpentry needs.

When appropriate, your hired plumber shuts off the power, gas, and water supply before starting the job. They can take all the necessary measurements to determine the right amount of materials, then cuts and bends wires and pipes to the appropriate lengths and widths. Your plumber may also cut holes into walls or floors as needed to allow pipes or wires to run through.

Installing the cylinder

Once the cylinder's space is ready, your plumber can proceed with the unvented hot water cylinder installation. They can place the cylinder or tank onto its designated space and position. Your plumber takes care not to damage any of the components of the vented hot water cylinder or other pipes and wires in its surroundings.

Installing components and pipes

After the cylinder is in position, your specialist proceeds with attaching the appropriate pipes, wires and components like the Temperature and Pressure Release valve, expansion vessel, immersion heater, and any other pipes and valves. As with all other stages of the unvented cylinder installation, they use appropriate materials and techniques that are compliant with state safety and building regulations and industry best practices. 

Testing the system

Your hired plumber tests the system after completing the installation. They check that each tap and shower head provides hot water on demand and flows with consistent pressure. Should variations in temperature or pressure arise, your plumber can troubleshoot the system and do the appropriate fixes. 

They repeat this process until the hot water system works without any issues. And now that your home has hot water running through your taps, tubs, and showers, why not ensure greater warmth and comfort in every room of your home? On Airtasker, you can also hire an insulation installer who can help you cut down on bills and achieve year-round comfort.

Recent Hot Water System Installation & Repair tasks

Fix water leak in the gas hot water tank

$100

Sydenham VIC 3037, Australia

4th Apr 2026

Gas hot water tank has a water leak. Water is constantly flowing.

Hot water supply and installation quote

$10

Ingleburn NSW, Australia

4th Apr 2026

My roof solarhart water tank leaking, I need to install a new electrical hot water system

Fix Electric Hot Water System (Dux) Not Heating read description

$250

Stretton QLD, Australia

4th Apr 2026

Fix Electric Hot Water System (Dux) – Not Heating My Dux electric hot water system has stopped heating, and we currently have no hot water. I’ve checked the unit and noticed what appears to be burnt/overheated wiring at the bottom element connection (photo attached). Likely issue is wiring needing repair or replacement. As photo but this is just an assumption. Details: Brand: Dux Type: Electric storage tank Age: Approx. 5–6 years Issue: No hot water Suspected cause: Burnt connection / faulty element (please see photo) What I need: Qualified electrician to inspect and repair Ensure system is safe and fully operational Location: Stretton Access: Easy access to unit Looking for someone experienced with hot water systems who can get this sorted promptly.

My electric hot water system is not producing hot water.

$200

Mount Waverley VIC, Australia

3rd Apr 2026

My electric hot water system is not producing hot water. When I turn on the tap, only cold water comes out. The system screen shows “0.0”, which seems like no water is entering the unit. Looking for someone available today to come and inspect and fix the issue.

Install tempering valve to regulate hot water temperature

$100

Box Hill VIC 3128, Australia

3rd Apr 2026

I need a licensed plumber to install a tempering valve on my gas hot water system to regulate water temperature and ensure it complies with Victorian rental safety standards (max ~50°C at outlets). Currently, the hot water temperature is too high and needs to be safely regulated. Scope of work: Supply and install a suitable tempering (mixing) valve Connect to existing hot water system (gas) Adjust and test temperature to ~50°C at taps Replace existing isolation valve with new ball valve Ensure installation meets Victorian compliance requirements Check for leaks and proper operation Requirements: Must be a licensed plumber Experience installing tempering valves Provide all materials and tools Compliance with Australian standards and compliance certificate

Fix hot water system (gas)

$150

Logan Reserve QLD, Australia

3rd Apr 2026

Hot water system is not working, we had gas put in yesterday but it won’t work it just clicks a few times then displays error code 11, need a licensed gas fitter to come and have a look

Hot water not working- Rheem (gas stellar)

$200

Armadale VIC, Australia

3rd Apr 2026

Gas hot water system has stopped working. Gas supply to house is fine (cooktop working), so issue seems to be with the unit. Older Rheem outdoor storage system with manual control. No hot water at all – likely pilot light or thermocouple issue but needs inspection and fix.

Amazing work ! Got the job done. Lovely guy

Electric Hot water system is not working. Need fixed or replaced

$250

Minto NSW, Australia

3rd Apr 2026

Electric Hot Water system not working. Need fixed or Replaced with new one. It’s big not sure how big maybe around 300 litres. It’s sitting inside the laundry room. Price is Negotiable

Electric Hot Water System Not Heating – (Rheem 315L) Element faulty??

$200

Marsfield NSW 2122, Australia

30th Mar 2026

- Power supply is confirmed ON (no tripped breaker) - Tank is full (pressure relief valve tested) - No visible leaks - Thermal cut-out had tripped and was reset (clicked), but system still does not heat - No further reset click now - Issue started after a temporary water supply outage (possible element overheating/damage) I am seeking a qualified plumber or electrician to: - Diagnose the issue - Test heating element and thermostat - Replace heating element and/or thermostat as required Please include: - Your experience with electric storage hot water systems - Whether you can supply parts - Estimated total cost (labour + parts) Flexible with timing but prefer earlier rather than later :)

Outstanding. Communicated well (both SMS and phone calls) and arrived ontime as scheduled. Promptly identified the issue and rectified.

Remove and cap off hot water tap

$50

Brunswick East VIC 3057, Australia

28th Mar 2026

This hot water tap is preventing me from putting a dryer on top of my washing machine. I need it removed and capped off (doesn't need to look a specific way).

Very prompt and friendly. Definitely recommend.

Plumber needed to replace a valve on an external Hot Water System cafe

$250

Fortitude Valley QLD 4006, Australia

25th Mar 2026

Hi there, We are a cafe in Fortitude Valley looking for a licensed plumber to fix our hot water system. Our landlord plumber had a quick look and advised that the unit likely needs a new valve installed as it is not supplying enough hot water. Unit Location: It is mounted on the wall in our alleyway (external). The Job: 1. Inspect the hot water unit to confirm if it’s a valve issue. 2. Supply and install the necessary replacement valve. 3. Ensure the hot water is running at full capacity. 4. Please note the job would need to start from 3:15 pm onwards, as the cafe is operating beforehand Note: We need this done as soon as possible as it is essential for our cafe operations. Please provide a quote Thank you!

Justin did a great job with the plumbing. He completed everything smoothly and clearly explained what he was doing and why it was needed. Very professional and easy to deal with. Highly recommended.

Fix hot water unit, pilot flame not staying on.

$199

Dandenong South VIC 3175, Australia

14th Mar 2026

Fix hot water unit, pilot flame not staying on. Tried to ignite and pilot.light comes on but not staying on after let go of pilot knob. No sign of moist.

Excellent service very prompt professional knows exactly what they're doing we're definitely come back again

Repair drip shower head and release airlock in hot water tap for bath

$50

Lilyfield NSW, Australia

12th Mar 2026

Washer/s needs replacing on hot and cold shower tap as shower head is dripping. I don’t have the washers. Airlock to be released on hot water tap for the bath.

Efficient and quick but left black rubber marks in the bath. Should have asked for a towel to put in the bath to avoid marking.

Licensed plumber to inspect gas hot water system

$100

Hornsby NSW 2077, Australia

11th Mar 2026

I’m looking for a licensed gas plumber to inspect an external gas hot water system at my house. Recently I noticed a gas smell when the hot water system is operating. The smell disappears when the system is not running. I would like a professional to inspect the unit and gas connections to make sure there is no leak and that the burner and system are operating correctly. Tasks required: - Inspect the external gas hot water system - Check for any gas leaks - Check burner operation and combustion - Ensure the system is operating safely and efficiently

Inspected the hot water system

Replace hot water tank

$1,000

Macquarie Fields NSW 2564, Australia

10th Mar 2026

Our hot water tank to our granny flat is leaking and needs to be replaced. Its a 129 liter capacity and runs on electricity. Would like to have a new one supplied and installed. The old one will need to be taken and disposed.

Diego replaced and Installed our hot water system and did an awesome yet perfect job. We are so pleased. He comes highly recommended. Thank you Diago!! 😊

Install hot water timer + contactor

$10

Upper Caboolture QLD, Australia

9th Mar 2026

Hi, looking for a licensed electrician to install a hot water timer with contactor. Thanks

Excellent work, highly recommended

Electrician needed to get the power working for new hot water system

$200

Redcliffe QLD, Australia

9th Mar 2026

Brand new Thurman hot water system has been plumbed in but power is not getting to the element. Need an electrician to diagnose and fix.

Top guy worked well. Good job done

Plumber Plumbing - Level Hot Water System

$10

Wyndham Vale VIC 3024, Australia

3rd Mar 2026

Need licensed plumber. Hot water unit - Level appliance as required - Drain and disconnect hot water unit - Alter pipework to allow unit to be raised above concrete level - Supply and install concrete base below hot water service approx. 150mm thick - Reinstate unit, lag all pipework - Test and commission system - instead of concrete, if its easier to use brick /quick dry cement, lets do that Please provide your best solution and make sure to be compliant.

Thanks for the quick levelling fix of the hot water system.

Remove a solar hot water system from my roof

$500

Leederville WA 6007, Australia

1st Mar 2026

I would like someone to remove the old solar hot water system from my roof. It is in an awkward spot unfortunately, on the side of the house on a part of the roof that is quite steep. It has already been disconnected so no plumbing required.

Tricky job done well

Fix gas hot water system – pilot won’t light (Aquamax 390)

$120

Nicholls Ward VIC, Australia

1st Mar 2026

My gas storage hot water system (AquaMax 390SS-NG) has stopped producing hot water. The pilot light will not ignite. What’s happening: • The pilot is out and won’t relight • The red igniter button clicks, but there is no visible spark • Not sure if pilot gas is flowing • The big control dial turns, but pilot position isn’t responding normally • No flame appears at all

Guy was wonderful! Went above and beyond to figure out the issue and resolve it for me. Will absolutely use again!!!