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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

Great service, no issues at all

Supply and repair hot water tempering valve - licensed plumbers only

$250

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 experience, highly recommend

Solar hot water pump repair

$50

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

$115 - $280

low

$115

median

$180

high

$280

Low, median and high bar chart distribuiton

Average reviews for Hot Water System Installation & Repair Services

based on 1744 reviews

4.93

1678
36
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

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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

Replacement of hot water tank system

$100

Melbourne VIC 3000, Australia

11th Apr 2026

Replace tank shown for hot water

Take hot water heater off controlled circuit and give continuous power

$200

Oakville NSW 2765, Australia

11th Apr 2026

I need a licensed electrician to rewire hot water heater so it is no longer on controlled circuit but receives continuous power.

Plumber to connect tap, sink and hot water service

$500

South Yarra VIC 3141, Australia

11th Apr 2026

Replacement of kitchen sink, mixer tap, and undersink hot water unit. All existing services in place — hot and cold water supply, waste connection, and dedicated GPO are already installed and functional. Supplying own fixtures (tap, sink, SHC 15).

No hot water coming into property

$150

Werribee VIC 3030, Australia

11th Apr 2026

Hot water not coming into property

Solar hot water pump repair

$50

Moggill QLD, Australia

11th Apr 2026

There is some rusting due to dripping water . Proper sealing is needed . Also , one shower mixer needs replacement

Great experience, highly recommend

Connect a sink, tap and a 10L hot water system

$500

South Yarra, Victoria

11th Apr 2026

Like-for-like replacement of kitchen sink (already fitted in bench top), mixer tap, and undersink hot water unit. All existing services in place — hot and cold water supply, waste connection, and dedicated GPO are already installed and functional. Supplying own fixtures (tap, sink, SHC 15). Wanting job completed Sunday or Monday.

Set Up Washing Machine to Hot Water Outlet

$250

Randwick NSW, Australia

10th Apr 2026

We have a washing machine already set up. Currently it can only facilitate a cold wash. We want to connect it to the hot water outlet which is just on the other side of the wall. It just needs to be drilled through & connected. (yellow wall to the left of the machine)

Licensed Plumber Needed – Install & Connect Gas Hot Water System

$200

Thornlie WA 6108, Australia

10th Apr 2026

I’m looking for a licensed plumber to install and connect a new gas continuous flow hot water system (Rheem 20L unit). Scope of work includes: • Adjust and securely mount the new hot water system • Connect the unit to the existing gas line • Connect water inlet and outlet to the existing plumbing from the old system (roof connection) • Ensure everything is properly sealed, tested, and compliant with safety standards • Check for leaks and confirm system is fully operational Details: • New unit already purchased (Rheem 20L Gas Continuous Flow) • Old system connection points are available on the roof • Flexible timing but prefer ASAP Requirements: • Must be a licensed and insured plumber • Experience with gas hot water systems • Must bring own tools and any required fittings Optional: • Please include quote for any additional materials if needed

Fix Instantaneous Gas Hot Water

$10

West Pennant Hills NSW 2125, Australia

8th Apr 2026

The gas instantaneous system does not light up and it has power so the pilot component needs repairing. I need urgent repairs and I will than change to electrical. Fast fix even with a premium is fine as I need hot water until a find energy efficient electrical

Good work done, quick and efficient. Will use Chris again.

Check hot water system circuit

$300

Biggera Waters QLD, Australia

5th Apr 2026

My brand new hot water system is not getting any power. I have a feeling the circuit is faulty or the connection. I need someone who knows about this to check the connection and the circuit. Need this done ASAP

Sean was very helpful and knew what he is talking about.

Fix small leak at hot water meter compression fitting

$150

Ivanhoe VIC, Australia

4th Apr 2026

I have a minor water leak at my hot water meter. The leak appears to be coming from the compression/union nut directly below the meter (downstream of the isolation valve). A plumber previously applied thread tape, which stopped the leak temporarily, but it has returned. I suspect the olive or fitting needs replacing/reseating. Scope: Inspect leaking compression fitting Reseal / replace olive or fitting as required Ensure no leaks under pressure Notes: Easy access in meter box Small slow drip only Photos attached Must be licensed plumber

Thanks for your help Ben

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