Best hot water plumbers in Fairfield
Last updatedSertek Plumbing comes first for hot water work in Fairfield because its licence is published and its gas fitters work in house. The rest split on what they fit, when they answer, and where they sit. Some are based in Fairfield, and others come from Silverwater, Eastwood, Villawood or Blacktown. Match the firm to the job: a failed unit, a swap or a solar system.
Quick picks in Fairfield
- Best for swapping an electric or gas hot water unit: PGM Plumbing Group, which lists replacement of both types.
- Best for solar and heat pump hot water: APT Plumbing Services P/L, a Fairfield firm with gas and electric work alongside.
- Best for a hot water fault with a licence on show: Sertek Plumbing, licence 490232C, where licensed gas fitters work in house.
- Best for a failure on a weekend or public holiday: Mates Rates Plumbing Eastwood, open every day of the year.
- Best for a hot water install on a budget: Fusion Plumbing, which charges no call-out fee.
Best hot water plumbers in Fairfield, ranked

#1Sertek Plumbing for hot water repairs and replacement, from licensed gas fitters
24/7Licence publishedBased in WakeleySertek Plumbing runs out of Wakeley and carries licence 490232C. Gas hot water jobs are handled in house by licensed gas fitters, and the range runs from electric units to solar and heat pumps. Repairs and replacements both appear in its list of jobs. Same-day attendance is a target rather than a promise, and it often lands within the hour. Hot water call-outs after hours carry a fee, which the firm does not publish. Customers say it turns up on time, quotes honestly and keeps them informed through the whole job. Quotes are issued in full before the job begins.

#2PGM Plumbing Group for hot water replacement, electric and gas units
24/7Based in SilverwaterPGM Plumbing Group is based in Silverwater and works across Sydney. Replacing electric and gas hot water units is part of its work. Customers describe a hot water service replaced, along with a toilet repair and two taps changed. Crews stand by for emergencies at all hours, and the business advertises 24/7 call-outs. A $0 call-out fee is advertised with conditions marked by an asterisk, which you should ask about. Quotes are free and prices are upfront. No licence number is listed.

#3APT Plumbing Services P/L for solar and heat pump hot water, based in Fairfield
24/7APT Plumbing Services P/L is based in Fairfield and has run for 50 years. Heat pumps and solar sit in its scope, alongside gas and electric hot water. Thermostatic mixing valves and backflow prevention also sit in its work list. Its 24/7 service covers nights, weekends and public holidays, and it aims for same-day visits across Sydney. No licence number is given. Customers call its crews prompt, polite and friendly. Urgent jobs go through 1800 262 131, and the price should be in writing first.

#4Mates Rates Plumbing Eastwood for hot water repairs and thermostatic mixing valves, licence 226679C
24/7Licence publishedBased in EastwoodMates Rates Plumbing Eastwood holds licence 226679C and works from Eastwood. Repairs and replacements fall to its crew, which also installs thermostatic mixing valves. The firm is open every day of the year, so a failed unit on a weekend or public holiday can be reported at any hour. Night and emergency work may cost more than standard weekday work, and no price list is published, so get a written quote before work starts. Ring (02) 9191 7369 and ask whether your suburb is served, since the firm's list doesn't name Eastwood.

#5Justflow Trade Services for hot water systems, with a contact centre that answers round the clock
After hoursBased in VillawoodJustflow Trade Services is based in Villawood and installs and repairs hot water systems. The contact centre takes calls at all hours, and the firm says crews usually reach a site within an hour. Listed trading hours run 6am until 10pm daily, so check the after-hours arrangement before booking. Customers describe fast responses, including after-hours calls, and say the quotes are honest and fair. A customer had a repair covered by the guarantee years after the job. For urgent work, call 1300 350 330.

#6Fusion Plumbing for hot water installation and repair, from Blacktown
24/7Based in BlacktownFusion Plumbing is based in Blacktown and has operated since 2006. Hot water installs and repairs are on its list, and the team of five is described as fully licensed. Calls to 0412 228 319 are taken at any hour. The firm charges no call-out fee, yet it doesn't post prices, so quotes are free and should be confirmed in writing before any bigger job. Its suburb list is long, so confirm your area on 0412 228 319 or (02) 8016 9573. Customers say the team arrives on time and communicates clearly through the job.
Compare hot water plumbers in Fairfield
Each business's base, after-hours cover and licence status sit side by side in the table below.
| Plumber | Based in | After hours | Licence | Google rating |
|---|---|---|---|---|
| Sertek Plumbing | Wakeley | 24/7 | โ | โ 5.0 (127) |
| MK Waters Plumbing | Regents Park | 24/7 | โ | โ 5.0 (133) |
| PGM Plumbing Group | Silverwater | 24/7 | โ | โ 5.0 (185) |
| APT Plumbing Services P/L | Fairfield | 24/7 | โ | โ 4.7 (182) |
| Mates Rates Plumbing Eastwood | Eastwood | 24/7 | โ | โ 4.9 (66) |
| Justflow Trade Services | Villawood | After hours | โ | โ 5.0 (37) |
| Fusion Plumbing | Blacktown | 24/7 | โ | โ 4.8 (124) |
| Same Day Plumber Fairfield | Fairfield | 24/7 | โ | โ 5.0 (5) |
| Benzie Plumbing & Gas | Fairfield | 24/7 | โ | โ |
| Hudson Plumbing Services | Chester Hill | โ | โ | โ |
| Plumbing Services Sydney | Blacktown | 24/7 | โ | โ |
| Wetherill Park Plumbing and Drains | Wetherill Park | 24/7 | โ | โ |
| Aussie ONCALL Plumber Auburn | Auburn | 24/7 | โ | โ |
| Jeremy Macpherson Plumbing Pty Ltd | Caringbah | 24/7 | โ | โ 4.4 (52) |
| Plumbers 2 You | Oakville | 24/7 | โ | โ 5.0 (7) |
| Mark the Plumber | St Andrews | โ | โ | โ 4.9 (8) |
| Arc Plumbing | Five Dock | 24/7* | โ | โ 4.3 (23) |
24/7* : listed as open 24 hours, but the business doesn't say 24/7 itself. Ratings show from 5 Google reviews.
How we picked hot water plumbers in Fairfield
Rankings start from customer feedback, adjusted for review volume. Listed licence numbers, hot water work the business describes itself, and a base in the suburb moved firms up as well. Last, we read what each one says it fits, from gas and electric units to heat pumps and solar.
Hot water plumbers in Fairfield: FAQ
Which Fairfield firm handles heat pump hot water?
APT Plumbing Services P/L works from a Fairfield base and takes on solar and heat pump units. Sertek Plumbing covers those units as well.
Can a hot water unit be fixed without a call-out fee?
Fusion Plumbing charges no call-out fee, yet it doesn't post prices. Among the others, Sertek Plumbing has no daytime call-out fee, and its after-hours rate isn't posted.
Which Fairfield hot water plumbers publish a licence number?
Sertek Plumbing and Mates Rates Plumbing Eastwood publish one. APT Plumbing Services P/L, PGM Plumbing Group, Justflow Trade Services and Fusion Plumbing don't.