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

Fill in a short form and get free quotes for local hot water system contractors in Melbourne

4.2

Great rating - 4.2/5 (11114+ reviews)

Looking for hot water system contractors?

  • Gas system
  • Electric systems
  • Boilers
  • … or anything else
It only takes 2 minutes. And it's free.
Up to 50% cheaper than franchise dealers
No job too big or small
Free insurance coverage
Secure cashless payments
Same day or next day service at no extra cost

Best rated hot water system installers near me

Recent Hot Water System Installation & Repair reviews in Melbourne

Good bloke - on time. Thank you!

Plumber - Rinnai hot water inconsistency

$100

Very professional. Highly recommended

Fix hot water in bathroom

$100

Great communication, promptly fixed the issue. Would definitely recommend

Fix hot water tap

$50

Brilliant work

Plumber to fix burst hot water pipe under sink

$200

Mark was informative and gave me lots of info to work off.

Plumber to fix hot water systen

$100

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

Cut off hot water tank

$100

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

$126 - $300

low

$126

median

$197

high

$300

Low, median and high bar chart distribuiton

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

based on 144 reviews

4.9

135
5
3
1
0

What is Airtasker?

Post your task

Post your task

Tell us what you need, it's FREE to post.

Review offers

Review offers

Get offers from trusted Taskers and view profiles.

Get it done

Get it done

Choose the right person for your task and get it done.

214+

Tasks successfully completed

3

Average amount of offers per task

6

 mins

Average time to receive offers

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

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

Need plumber help fix or replace a hot water tank

$50

Abbotsford VIC 3067, Australia

20th Jun 2026

a tenant turned off our hot water unit and we couldnt reignite it. a handyman said the thermocouple was faulty, pls can a plumber fix or replace asap, abbotsford location

Need help fix or replace a hot water tank

$50

Abbotsford VIC 3067, Australia

20th Jun 2026

a tenant turned off our hot water unit and we couldnt reignite it. a handyman said the thermocouple was faulty, pls can a plumber fix or replace

Hot water not working

$140

Carlton VIC 3053, Australia

20th Jun 2026

I had electrician come down and see he said it was this tray being wet. Obvs you can see power is on

Hot water unit got turned off by a tenant, need help to light it again

$50

Abbotsford VIC 3067, Australia

20th Jun 2026

have a gas hot water unit got turned off by a tenant and we couldnt restart it. please can a plumber or someone help asap. photos attached

Commercial dishwasher connect with hot water

$120

West Melbourne VIC 3003, Australia

18th Jun 2026

Just need to hook up an existing under-bench commercial dishwasher to the hot water supply.

Hot water unit. Power on, but no hot water

$200

Carlton VIC 3053, Australia

17th Jun 2026

Need help with this hot water unit

Shower hot water and tap tighten

$500

Melbourne VIC 3000, Australia

15th Jun 2026

Hot water in bathroom is not hot enough. I think the Temperature valve might need replacing. And the tap in the kitchen needs to be tightened.

Hot water unit looked at ASAP

$100

Fitzroy VIC, Australia

14th Jun 2026

Our gas hot water system has had poor hot water for the last few days. We’ve now noticed active water leaking underneath the unit with visible steam/vapour coming from behind the system. We’ve stopped using hot water and need someone to inspect it urgently.

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!!!

Installation of Outdoor Hot Water Unit

$150

West Melbourne VIC, Australia

24th Feb 2026

I am seeking a licensed plumber to install a Rinnai B26 continuous flow gas hot water system onto a steel fence located in an outdoor apartment courtyard. Scope of Works: Install new Rinnai B26 unit (**UNIT WILL BE SUPPLIED BY OWNER**). 240 volt Power Supply already available and located at installation point. Extend existing 32mm gas copper line approximately 10 metres from garage (ground floor basement) to new unit location in external courtyard (Level 1). Gas line to run from basement to courtyard via pre-prepared penetration hole. **Please note GAS FITTING work will be required** by a Certified Plumber. Plumber will be required to provide VBA LICENSE before job offer is approved. Seal penetration point with silicone to prevent water ingress into garage. Connect to existing 20mm PEX hot and cold water lines (already installed by previous plumber). Commission system and ensure correct operation. Additional Requirements: Licensed and insured plumber only Provide Compliance Certificate / Gas Safety Certificate suitable for Body Corporate All works to comply with relevant Australian Standards and regulations Please provide: Quote including labour and materials (excluding unit) Date of Installation If site needs to be inspected before commencement of works, I can arrange for this to occur. Thanks, Federico

Very professional, detailed, and pleasant to deal with. Highly recommended.

Plumper Relocate hot water unit

$150

Northcote VIC, Australia

20th Feb 2026

Relocate hot water unit from internal to external. Opposite wall Power disconnected

Mark attended to relocate the hot water unit from internal to external. Mark was professional & so clean. AMAZING to deal with. HIGHLY RECOMMEND

Kitchen mixer install. Hot water isolation valve

$450

Docklands VIC, Australia

9th Feb 2026

hot water isolation valve needs replacing under kitchen sink, no longer functioning. Kitchen mixer tap replacement (supplied)

Got the job done with no issues. Recommend.

Leaking at the hot water pipe connection.

$200

Melbourne VIC 3000, Australia

17th Jan 2026

The hot water pipe connection has cracked and is leaking. It needs to be replaced. As show in the photos.

Fast and efficient job