5 Best Water Heater Services in Sydney (2026)

Independently ranked by our review of ratings, reviews and reputation · How we chose

By Brad Smith, Home Services Expert · ✓ Data verified July 2026 · 8 min read

No hot water on a cold Sydney morning is not a problem that waits for a specialist quote. The plumbers on this page who handle water heater work are full plumbing outfits rather than narrow specialists, together holding 1,452 Google reviews, and the busiest of them, Bayside Plumbing, has answered 576 of those calls alone, more than the next two combined.

Short answer: Bayside Plumbing leads by review volume at 4.9 stars across 576 reviews, covering hot water systems alongside general plumbing. Friendly Plumbing posts a perfect 5.0 across 337 reviews, and both ProFlush Plumbing and Gps Gas Plumbing Services also hold perfect 5.0 ratings with smaller review counts. None of the five publish fixed hot water pricing online, so get an itemized quote before committing.

Jump to a business

1. Bayside Plumbing
2. Friendly Plumbing
3. Plumber To The Rescue
4. ProFlush Plumbing
5. Gps Gas Plumbing Servi…
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Sydney's Water Heater and Hot Water Plumbers Compared

#	Business	Rating	Reviews	Best for
1	Bayside Plumbing	4.9 ★	576	Full-service plumbing, including hot water systems	View ›
2	Friendly Plumbing	5.0 ★	337	Standard and solar hot water systems	View ›
3	Plumber To The Rescue	4.8 ★	231	24/7 emergency call-outs, including full heater replacement	View ›
4	ProFlush Plumbing	5.0 ★	185	Gas hot water system installs and urgent gas work	View ›
5	Gps Gas Plumbing Services	5.0 ★	123	General plumbing and gas fitting	View ›

5 Best Water Heater Services in Sydney (2026)

Our five picks, reviewed

#1 Overall🕑 Open 7 days↩ Responds to reviews

Bayside Plumbing

4.9576 Google reviews

Bayside Plumbing is a general Sydney plumbing business covering blocked drains, pipe relining, hot water systems, toilets, taps, gas fitting, stormwater, leak detection, roof plumbing and bathroom renovations. Hot water work sits alongside that broader plumbing offering rather than being the sole focus. Reviews describe everything from rain tank modifications to full toilet and tap replacements, with technicians Alan, Tilley, Yanni, Max and Anthony coming up repeatedly by name.

What people praise

Named technicians consistently praised for solving problems beyond the original callout
One reviewer compared several quotes and chose Bayside on price and solution quality together
Crews keep the site clean and respectful of the home during longer jobs
Broad service range means one call can cover more than one issue
Deepest review base on this list at 576

Reputation scorecardrank in Sydney

Rating4.9 / 5

Review volume576 · 98th

Confidencehigh

Recency7 weeks ago

Info completenesssite · phone · hours

Rating breakdown93% 5-star

✓ VerifiedSource: Google

Our take: The largest review base here by a wide margin, with a 4.9 average behind it, makes this the safest general call if a hot water issue turns out to be part of a bigger plumbing job.

Website +61411724011 Directions

#2🕑 Open 7 days↩ Responds to reviews

Friendly Plumbing

5.0337 Google reviews

Friendly Plumbing handles drainage, gas fitting, and both standard and solar hot water systems across Sydney. Reviews describe leak detection in older apartment blocks, pipe relining under a house, and toilet installations, with the company's name showing up as a deliberate branding choice that reviewers repeatedly say lives up to it.

What people praise

Upfront costing given before work starts, several reviewers specifically note
Clear communication from first call through to job completion
Praised for tricky, hard-to-diagnose leaks in older buildings
Perfect 5.0 rating across 337 reviews

Reputation scorecardrank in Sydney

Rating5 / 5

Review volume337 · 93rd

Confidencehigh

Recency4 weeks ago

Info completenesssite · phone · hours

Rating breakdown98% 5-star

✓ VerifiedSource: Google

Our take: A perfect rating on a review base second only to Bayside's. It ranks here on volume, not on any quality gap between the two.

Website +611300289912 Directions

#3🕑 Open 7 days↩ Responds to reviews

Plumber To The Rescue

4.8231 Google reviews

Plumber To The Rescue positions itself around fast, same-day plumbing, with more than 35 years in business according to its own site. Reviews specifically describe hot water system servicing and full heater replacements when a unit could no longer be repaired, alongside general leak and drain work across the city. The company advertises free call-outs and guaranteed work.

What people praise

Technicians Nick and Rohan named repeatedly for punctuality and thoroughness
Same-day service confirmed in multiple reviews, including during bad weather
Diagnosed an obsolete water heater and had a new one installed the next day
Familiar with repeat customers' properties from previous visits

Worth knowing

Slightly lower rating than the top two, worth weighing against the 24/7 promise if price is the deciding factor

Reputation scorecardrank in Sydney

Rating4.8 / 5

Review volume231 · 88th

Confidencehigh

Recency7 weeks ago

Info completenesssite · phone · hours

Rating breakdown92% 5-star

✓ VerifiedSource: Google

Our take: A 4.8 average across 231 reviews, with hot water replacement specifically confirmed in the review text, makes this a solid pick when the problem can't wait.

Website +61281032273 Directions

#4🕑 Open 7 days↩ Responds to reviews

ProFlush Plumbing

5.0185 Google reviews

ProFlush Plumbing, run out of Blacktown, covers gas installation and fitting, drain camera inspection, bathroom and kitchen remodeling, and hot water systems. Reviews describe an urgent gas leak that cut off a customer's hot water supply entirely, plus straightforward hot water unit removal and replacement completed in a couple of hours.

What people praise

Responded to an urgent gas leak within 25 minutes and re-concreted the dug-up area afterward at no extra charge
Removed and installed a new hot water system in about 2 hours with no mess
Technicians Fade, Chase and Nick named repeatedly across reviews
Perfect 5.0 rating across 185 reviews

Reputation scorecardrank in Sydney

Rating5 / 5

Review volume185 · 83rd

Confidencehigh

Recency7 weeks ago

Info completenesssite · phone · hours

Rating breakdown99% 5-star

✓ VerifiedSource: Google

Our take: The gas leak response is the standout review here: fast, thorough and going beyond the minimum fix. Strong pick if your hot water problem is tangled up with a gas issue.

Website +61480808368 Directions

#5🕑 Open 7 days↩ Responds to reviews

Gps Gas Plumbing Services

5.0123 Google reviews

Gps Gas Plumbing Services covers general plumbing, bathroom remodeling, drainage and hot water systems out of Penrith, run by Gagan and a small team. Reviews describe gas cooktop disconnections, blocked toilet and sewer clearing using camera inspection, and pressure valve fittings, a broad general plumbing scope rather than a hot water specialty specifically.

What people praise

Camera-based blockage diagnosis specifically praised for accuracy
Consistently described as reliable and well priced
Gagan named individually across nearly every review
Perfect 5.0 rating across 123 reviews with zero negative marks on file

Reputation scorecardrank in Sydney

Rating5 / 5

Review volume123 · 78th

Confidencemoderate

Recency4 months ago

Info completenesssite · phone · hours

Rating breakdown100% 5-star

✓ VerifiedSource: Google

Our take: A clean record with no complaints in the sample, though the smallest review base here means it ranks fifth on volume rather than on any quality shortfall.

Website +61411829187 Directions

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Watch: 5 Best Water Heater Services in Sydney (2026)

How we scored these plumbers

Rating is each business’s live Google average. Review volume shows how many customers actually left feedback, measured as a percentile against other Sydney plumbing businesses. Confidence blends both, so a high rating needs real volume behind it to score well. Recency tracks how recently people were still reviewing. No business can pay to change any of these numbers; the only thing money buys on this page is the Featured badge, and none of the five above paid for one.

How much does a hot water system repair or install cost in Sydney? (2026)

Hot water repair and replacement costs depend heavily on the system type (gas or electric, storage or continuous flow) and whether it’s a straightforward swap or a more complex install involving gas work. None of the five businesses above publish fixed pricing, so get an itemized quote before committing, especially if a full system replacement is on the table.

Hot water plumbers across greater Sydney

Between these five, coverage runs across Sydney’s east and inner suburbs through Blacktown and Penrith, with several offering same-day service well beyond their home base. Whether you’re in an inner-city apartment with tricky old pipework or a western Sydney house needing a straight swap, there’s a nearby option on this list. A search for a hot water plumber near me will likely turn up several of the same names.

What to ask before you hire a hot water plumber

Is this a repair or does the whole unit need replacing?
Do you carry parts for my specific brand and model on the truck?
Is the callout fee waived or credited if I go ahead with the job?
What’s the warranty on parts and labor?
Are you licensed for gas fitting if my system is gas-powered?
How soon can you actually get here if I have no hot water right now?

Frequently asked questions

Are these rankings paid?

No. Rankings come from public Google data: live ratings, review counts and how recently customers left feedback. A business can pay to be a Featured Partner, which gets a badge and top placement, but that never changes another business’s score or position. None of the five companies above paid for a spot on this list.

How did you choose these five?

We compared plumbing and gas fitting businesses handling hot water system work in Sydney on their live Google rating, review volume and recency, then read the review text for recurring themes.

How often is this page updated?

We verified this data in July 2026 using live Google listings, and we recheck periodically as ratings and review counts shift.

Should I call a general plumber or a gas specialist for a hot water problem?

For most repairs or straight replacements, any of the five general plumbers above can handle it. If the fault is tangled up with a gas leak or gas fitting issue, ProFlush Plumbing’s gas-focused review history is worth calling first.

Is it worth getting more than one quote for a hot water system replacement?

For anything beyond a simple part swap, yes. Replacement costs vary enough between businesses that a second quote is worth the small delay.

The bottom line

For most hot water problems, Bayside Plumbing or Friendly Plumbing are the safest general calls given their size and consistency. If the issue involves a gas leak or urgent gas work, ProFlush Plumbing’s review history makes it worth calling first instead.

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