A professional helping with water heater installation and repair.
A professional helping with water heater installation and repair.

Find a professional hot water system contractor in Melbourne

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4.2

Great rating - 4.2/5 (11114+ reviews)

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Recent Hot Water System Installation & Repair reviews in Melbourne

thank you for job done promptly and well

Plumber to attend to Hot Water Service playing up

$200

Would recommend. On time and professional.

Fix/replace hot water unit

$200

He is very kind and nice. I am very happy with his job. Thanks Troy!

Cut off hot water tank

$100

Professional and helpful

Hot water pipe needs repaired

$250

Efficient and clean work. Thanks

Replace hot water system

$500

Great communication, promptly fixed the issue. Would definitely recommend

Fix hot water tap

$50

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

$129 - $300

low

$129

median

$199

high

$300

Low, median and high bar chart distribuiton

Average reviews for Hot Water System Installation & Repair Services in Melbourne

based on 149 reviews

4.93

141
5
3
0
0

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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 in Melbourne

Have a Bosch Hydro16 gas hot water unit pilot light turns off

$100

Fitzroy North VIC, Australia

29th Aug 2026

The system doesn't keep the light going this no hot water. It flows, turns on but then drops out Unsure what next to do

Looking for a plumber to do a hot water replacement

$10

Melbourne VIC 3004, Australia

28th Aug 2026

I get multiple clients a day asking to get their plumbing needs eg hot water, blocked drain, leaking, so I’m looking for a plumber to help fulfill these jobs for me. $10 is just for the post, not the actual value of jobs, please see attached for more info Potential to do 1-3 jobs a day, and make $6000-$10,000 a month in the long term

Hot Water Service Replacement

$2,000

Melbourne VIC 3031, Australia

28th Aug 2026

Require Hot Water Service Replacement for 3 bedroom house with 4 people. Current system is gas, 27 years old and need replacement. Heat Pump is preferred but if not possible to install, seeking like for like replacement. See photo's below. Single level access via back garage.

Tempering valve replacement for hot water

$200

Melbourne VIC 3000, Australia

28th Aug 2026

Hot water temperature is up and down in apartment unit. Told may need tempering valve replaced. Could you check and fix it?

Add tap to gas hot water (need certificate)/discuss plumbing fridge

$80

South Melbourne VIC 3205, Australia

27th Aug 2026

Add outlet to water plants on hot water service, need a plumber certificate. Tap to be installed next to unit, close as possible

Plumber to disconnect & replace small hot water unit

$200

Docklands VIC 3008, Australia

26th Aug 2026

LABOUR ONLY. Need a licensed plumber to remove an existing small electric hot water storage unit (approx. 40–50L, under-cabinet, Rheem brand) from an office kitchenette and install a new smaller like-for-like electric unit in the same location

Gas Hot Water - pilot light not lighting

$150

Fairfield VIC 3078, Australia

21st Aug 2026

Hot water system is not lighting. It was turned off for 4 weeks and now won’t restart. It was working fine before.

Fast and managed to fix it perfectly.

Hot water service replacement

$800

Richmond VIC 3121, Australia

18th Aug 2026

Existing 50L Rheem unit is tripping safety switch. Electrician has recommended replacement. Unit sits in an cupboard beneath bench in last image. Looking to replace like with like, happy with a Dux or Rheem 50L. Current unit is hard wired. Price includes supply and install and removal of old unit. Look at images for information and please ask any questions.

Have hydronic unit plumbed to new tank to also supply hot water

$5,000

Ascot Vale VIC 3032, Australia

16th Aug 2026

Have hydronic gas boiler and ideally plumbed to storage tank to also provide hot water for house use utilising solar vacuum tubes and flat plate collector panels , tank to have spare 240 v element , fed from excess ev supply , tank can be fed from electricity or gas, at moment have instantaneous gas unit

Lower 80kg empty hot water service from ceiling cavity

$400

South Melbourne, Victoria

21st Jul 2026

3-4 strong labourers required – lower 80kg empty hot water service from ceiling cavity. Think it will take 20-30 mins for the group to finish this. * 3-4 people required. * Approx. 80kg. * Ceiling/attic access. * No plumbing required. * Need to lower carefully (not throw it down), there’s a new floor below, so we want to carefully lower the tank on to a cushioned floor and take it outside on a trolley

These guys were GREAT to deal with! Quick comms, problem solvers, had a plan when they arrived, made a complicated little removal job look easy, even took the rubbish away for me! Will be using them again for sure!

No hot water for my shower

$200

Melbourne VIC 3000, Australia

14th Jul 2026

My tenant told me there is no hot water for the shower area but the other taps have hot water, probably need to replace the valve

Fantastic, so easy to deal with and no hassle

HOT WATER TAP NEEDS FIXING or REPLACING

$150

Prahran VIC 3181, Australia

12th Jul 2026

Hot water tap has come off its fittings ; Either needs to be fixed or replaced

Will recommend to others

Brivis hot water fix

$125

Armadale VIC, Australia

9th Jun 2026

Hi there My brivis digital screen for my ducted heating isn’t working and I’ve checked my fuse board and nothing has turned off! Free today or tomorrow morning I’m unable to use the touch pad to use my ducted

Great to deal with!

Plumber connect hot water to dishwasher and washing machine

$80

South Yarra VIC, Australia

28th May 2026

I need someone to come and connect my dishwasher and washing machine too hot water. We just moved into a rental and were unable to connect ourselves but it does exist.

Can was awesome. Very friendly and happy to help out. Fixed our washing machine no problems. Thank you!!

Hot water heater not working

$100

St Kilda VIC 3182, Australia

23rd May 2026

I have a client that has a hot water heater not working. They need someone to come out today. My plumber is not available. Need someone to come

Great service and great quality

Increase heat on gas instant hot water

$100

Brunswick East VIC 3057, Australia

11th May 2026

I have a Rinnai Solar 26 gas instantaneous hot water unit and the hot water is barely above warm. I have tried adjusting the dip switches as per the manual but it hasn't helped. I'm looking for a qualified plumber who can get hotter water out of this unit. As I have already tried the dip switches, please don't come if that is your only solution.

Daniel fixed our instantaneous gas hot water service, getting it from luke warm to steaming hot.

Hot water needs to be hotter see if you can adjust the unit

$100

Fitzroy VIC 3065, Australia

27th Apr 2026

Unit is under a cupboard and needs to be taken out to access it. Have no idea how to take the cupboard out.

Unit had to be replaced did a diagnoses.

Replace tap for kitchen sink and check hot water connection to sink

$100

North Melbourne VIC, Australia

6th Apr 2026

We would like to replace the tap for the kitchen sink as the existing one is spraying. The hot water connection to the tap also appears to have a small leak which we presume would be repaired when a new tap is installed.

Cooper did a great job replacing our kitchen tap. Would recommend and will use again

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.

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!!!