The 5 best water heater repairs in Sydney to you nice and toasty
Hot water at home isn’t just a comfort or a convenience; it can be a downright necessity. It can even be a business issue if you’re running an establishment that promises hot water for its customers.
So what happens when your water heater breaks down?
Answer: you get it fixed as fast as possible! These water heater repair services in Sydney will have your hot water flowing again in no time. Explore your options below.
How much does water heater repair cost in Sydney?
Water heater repair in Sydney will cost you $499 and up for basic water tank repairs. More complex repairs or larger water heater systems (such as multiple units in a strata) will cost more. You might be able to get discounts or free services from some businesses.
1. Hero Plumbing

Address: 9/3 Dursley Rd, Yennora
Phone: (02)91378549
Business hours: 24/7
Hero Home Services is a service business in Sydney that fixes all kinds of problems in the home.
Customers report easy communication over the phone, prompt arrival of workers, and exceptional customer service. They also liked the transparent and upfront quotes they received.
The company also has a plumbing specific business arm called Hero Plumbing, which takes care of residential, industrial, and strata plumbing issues.
Hero Plumbing installs and repairs hot water systems of any type and brand. They’re familiar with gas and electric water heaters, plus the associated storage tanks — and they’ve been repairing these systems for over a decade.
Hero Plumbing is on call 24 hours a day, which is a lifesaver if your hot water system decides to die at 11pm.
If customers asked for details about their plumbing problems and solutions, the technicians were able to explain them well. A few reviews complained of poor work quality, but these were extremely rare.
100% customer satisfaction
“The team at Hero Plumbing proved helpful, imaginative and cost effective, and were not put off when confronted by a challenging job. They went above and beyond what was expected. 10 out of 10.”
– H. Agar, Google review
Highly recommended
“Adam was a genuine, friendly professional. He explained what the issue was with our hot water system and overall water pressure concerns. He gave us options, solutions and organised solutions to all our problems efficiently.”
– Matthew Altaie, Google review
2. Sydney Plumbing Hot Water

Phone: 0402 487 444
Business hours: 24/7
Sydney Plumbing Hot Water serves customers all across Sydney and nearby areas. The business is fully licensed and insured, and offers a discount for senior citizens.
What’s more, they offer same-day service for water heater repairs and heat pump installation.
What they do is carry all necessary replacement parts, which makes service go faster. They can even easily replace any malfunctioning heater components such as pressure valves, thermostats, or wiring.
Their technicians are familiar with all the prominent heater brands including Evoheat, Rheem, and Rinnai. The staff can even advise you about government rebates and incentives for installing hot water systems.
The website displays pricing upfront for all the hot water systems that the business can install and repair. If you’re worried that your heater is about to break down, the site even includes a list of warning signs to watch out for.
Most online reviews praise the business’ professionalism and quick turnaround time, although a few mentioned rude customer service and high pricing.
Great service
“Had my faulty hot water system replaced within 24 hours. Cannot thank you enough for being able to do this in such a short turn around time. Great service and most of all very transparent and honest about the cost of the work upfront.”
– Shafiqul Karim, Google review
I would highly recommend Sydney Plumbing Hot Water
“We had a leaking hot water system that needed urgent repairing. We called Sydney Plumbing Hot Water on a Saturday morning and they were at our property within an hour to assess the issue, and within a few hours a replacement hot water system was installed.”
– Rhys Anthony Nicholls, Google review
3. Hydrolink

Address: Level 14, 3 Parramatta Square, 153 Macquarie St, Parramatta
Phone: 0433 629 517
Business hours: 24/7
Hydrolink Plumbing Services is based in Parramatta and serves all areas of Sydney. They offer both plumbing and gas services for residential, commercial, and emergency plumbing — all available 24/7.
Besides water heater repairs, they perform water management solutions and maintenance in general. The business promises a 60-minute response time once you call for service.
Hydrolink technicians are trained in not just electric and gas heaters, but also solar hot water systems — something that few other businesses mention. They can also install, inspect, and repair the necessary solar panels, pumps, and other machinery involved.
The business is also transparent about its pricing, starting at $499 for hot water tank repair. You can set an appointment via the website, or just give them a call.
Many satisfied clients mostly mentioned fast and efficient service. We did find the website a little overwhelming and difficult to navigate, but things get easier once you call Hydrolink directly.
Very friendly and communicative
“Hydrolink did a fantastic job on my kitchen renovation. Installed a new under bench water heater at the same time. Sam was so great and did an impressive modification so I didn’t lose the use of a drawer under the sink. Worked a treat. Always on time and happy to pay attention to a new detail when it arises, hassle free.”
– Michael Iacono, Google review
A big thank you to the team
“I had a hot water system leaking. I called Sam and they booked it in quickly. They replaced everything in a couple hours and helped move my washing machine which I really appreciated. I also paid extra for the deposit which Sam promptly refunded. Would definitely reach out for their services again.”
– Mr. Tai, Google review
4. Silver Water Plumbing

Phone: (02) 9199 2055 (Emergency hotline)
Business hours: 24/7
Silver Water Plumbing not only employs a team of plumbers with a combined 30+ years in the industry, but they also make sure that the staff members are constantly trained to stay up to date with modern practices and techniques.
As such, you can expect expert-level service that deals with both electric and gas hot water systems, plus solar-powered systems.
Team members will usually be able to complete any water heater repair job within a single day, unless the issue is severe or complex.
The Silver Water Plumbing website also contains tips on basic checks that homeowners can perform to ensure their hot water systems are working properly. (Of course, professionals should still be called for any major problems.)
If you have a water heater emergency, you can call the hotline and receive an immediate response. Otherwise, send in a filled inquiry form or text message via the website, and expect a call from a staff member during regular business hours to help you book an appointment.
The business has over a thousand positive reviews online, though a few users mentioned that they were overcharged for repair work.
Such amazing service
“Our hot water system blew up last night, I contacted Silver Water Plumbing this morning and it’s now 1pm and the water heater has been replaced and hot water running!! Luke was so professional and he went to great effort to make sure it was done ASAP!”
– Marti Malloy, Google review
Great experience
“Free quotation. Informative and no hard sell. Price competitive. Happy with Evo Hot Water System which we installed as a means to help lower our energy bills. Courteous and cleaned up after the job was done. Content customers!”
– Cecily Cheo, Google review
5. Rapid Service Plumbing

Address: B13/406 Marion St, Condell Park
Phone: 02 9099 9138
Business hours: 24/7
Rapid Service Plumbing is a team of fully-licensed plumbers operating across Sydney, Inner West, North Shore, and many other areas.
They perform supply, installation, and repair for hot water systems. Their skill set also includes clearing blocked drains (including high-pressure jet blasting), kitchen and bathroom plumbing, and even roof plumbing.
Rapid Service Plumbing shines in their offerings that make things more convenient for customers. For example, they provide a free safety inspection for first-time customers in Sydney.
They also offer a plumbing service warranty, in which they perform a free fix if the problem isn’t initially resolved. If you book a call-out between 9:00 am and 5:00 pm Mondays to Fridays, the call-out will be free.
A couple of user reviews talk about overcharging and late service, but the vast majority praise the business’ high-quality work.
Highly recommend this company for reliability and service
“Adam came out to inspect my hot water problem and also picked up some other unexpected plumbing problems at the same time. I was impressed by the good service and dedication to detail.”
– Althea Funke, Google review
Highly recommend these guys
“They did everything as promised for a good price and haven’t had a problem since. They were very professional and made me feel comfortable. Thanks for the great work guys.”
– Daniel B, Google review