A professional helping with water heater installation and repair.
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

Great service, no issues at all

Supply and repair hot water tempering valve - licensed plumbers only

$250

Excellent communication , extremely knowledgeable, happy to use Hassan again in the future for other plumbing related issues.

Diagnose No Hot Water / Tempering Valve issue

$200

He is the best and very knowledgeable. Thanks for all your assistance with the hot water tank.

Rinnai hot water tank not heating water.

$80

Jye was really responsive, made himself available the next day and been helpful in diagnosing the issue with our hot water

Hot water not working at office

$500

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

Gunn is very professtion and knows his work.

Emergency plumber for hot water geezer leakage

$100

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 1761 reviews

4.93

1693
38
16
4
10

What is Airtasker?

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5,000+

Tasks successfully completed

3

Average amount of offers per task

9

 mins

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

Service instant hot water aystem

$200

Holroyd NSW 2142, Australia

28th Mar 2026

Instant gas hot water system needs service, goes from hot to cold to hot doesn’t stay constant.

Plumber to look at Bosch hot water system

$60

Scarborough WA 6019, Australia

28th Mar 2026

My hot water isn’t working & I can’t seem to get a spark for the system to relight.

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).

Move a hot water cylinder.

$800

North Lakes QLD 4509, Australia

28th Mar 2026

Heat pump hot water cylinder move to new location around the corner per the attached pictures. Electrical, cold water, hot water and drain pipes to be redirected to new location inside wall (so it is not visible). Photo attached of other side of the wall with rough red lines for new pipe location. 302L STIEBEL ELTRON WWK302 HEAT PUMP

Connect up my new Hot Water system

$200

Cranbrook QLD 4814, Australia

27th Mar 2026

New hot water system needs connecting. Its in place and the wiring is ready to connect

Solar hot water system faulty

$150

Killarney Heights NSW, Australia

27th Mar 2026

Hot water system won’t switch to electricity at nights or cloudy days, blur it’s working on sunny days

Hot water system stopped working

$250

Cherrybrook NSW 2126, Australia

27th Mar 2026

The hot water system was working but we noticed today that it stopped and we couldn’t light it

Plumber needed to install a Dual Outlet Mini Stop (Hot Water)

$250

Mentone VIC, Australia

27th Mar 2026

Hi, I need a quote to split the hot water line under my laundry sink so I can connect a new washing machine. Currently, there is only one hot water outlet. Task: Replace existing single with a dual-outlet. Install LG washing machine Timing: Looking to get this sorted today (Saturday) if possible. Please give me a ring to discuss.

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.

Hot Water (Gas) System Repair & Maintenance

$100

Wyndham Vale VIC 3024, Australia

15th Mar 2026

I have a gas hot water system (attached photo) which works perfectly for most of the time but at times the hot water stops upstairs when someone is using it downstairs, earlier the water would still be hot upstairs with a lesser pressure but now it altogether stops. May need to be checked and repaired for any issues.

Mitch was amazing, he came right on time, and helped me understand the issue with the water flow on my gas water heater, fixed it quickly! Will recommend him for any tasks he accepts!

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!!!

Leak on Tempering valve from hot water heater

$200

Marayong NSW, Australia

26th Feb 2026

Small drip coming from the tempering valve on the hot water heater.

Ontime, explained everything and finish the task quickly. Always recommended.