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

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 service, no issues at all

Supply and repair hot water tempering valve - licensed plumbers only

$250

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

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

Gunn is very professtion and knows his work.

Emergency plumber for hot water geezer leakage

$100

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

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 1760 reviews

4.93

1690
39
16
5
10

What is Airtasker?

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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

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Local, skilled pros

Take your pick of skilled Hot Water System Installers nearby.

Real reviews

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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

Plumber to fix my hot water system

$200

Rosetta TAS, Australia

21st Mar 2026

My hot water system supplies rusty water, it needs to be drained clean and fixed.

Hot water in kitchen tap is not working. And sink is blocked as well

$150

Tarneit VIC, Australia

21st Mar 2026

Hot water in kitchen is not working and only work when another tap is running In house . And sink in bathroom is blocked .

Replacement of instant gas Hot water unit

$200

Elwood VIC, Australia

21st Mar 2026

My existing Rinnai 24 instant gas Hot water unit is leaking and requires replacement. I have obtained a second hand Rinnai 26 to replace it with. I need a plumber to swap the units.

Replace hot water system

$200

Leopold VIC 3224, Australia

21st Mar 2026

Our old hot water tank system needs replacement and needs a new rinnai b26

Move gas hot water

$200

Homebush NSW, Australia

21st Mar 2026

Move gas hot water about 2.5m . Checked clearances from window , greater than 500mm Water and gas can be tapped from bottom as it is currently

Relight the pilot light on my hot water service

$100

Glen Iris, Victoria

21st Mar 2026

My hot water service pilot light has been blown out. I need someone to come and relight it for me. The unit is a freestanding unit, attached to the wall in my back garden, accessible via a concrete path.

Hot water system in laundry leaking

$120

Darling Point, New South Wales

20th Mar 2026

Hot water system is leaking sporadically and water leaks onto the floor.

Plumber - No hot water coming on all taps in the house

$120

Mill Park VIC, Australia

20th Mar 2026

When trying any of the hot water taps in the house no water comes out

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.

3 way tap needs to be replaced. (Hot water/cold water/ drinking water)

$150

Tarneit VIC 3029, Australia

26th Feb 2026

Hi! I need the 3 way tap in my kitchen replaced. Will pay for the tap as per the cost of the product purchased by you (in addition to charges for installation)

3 way tap replaced as requested for our home. Very efficient and polite gentleman. Highly recommend for quick and efficient plumbing work.