Best hot water plumbers in Willoughby
Last updatedCrossroads Plumbing comes first for hot water in Willoughby because it takes calls after hours and does both repairs and full replacements. What separates the others is where they operate from, when they pick up and which kinds of system they install. If a unit has failed overnight, check hours and location first. If you're planning a swap, check which systems each one fits.
Quick picks in Willoughby
- Best for a hot water failure after hours: Crossroads Plumbing, which takes after-hours calls and services, repairs and replaces hot water systems.
- Best for a planned upgrade to solar or heat pump: Ready Set Plumb, which installs solar and heat pump systems and offers HomePro Credit finance.
- Best for a gas hot water unit: Flow Plumbing, which installs gas heaters and fixes gas leaks.
- Best for strata and property manager work: Dee Why Plumbers, which covers hot water maintenance and replacement for buildings with several units.
Best hot water plumbers in Willoughby, ranked

#1Crossroads Plumbing for hot water repairs and replacement after hours
24/7Licence publishedBased in KillaraCrossroads Plumbing runs out of Killara and reaches Willoughby too. Homes, offices and shops all get hot water service, repairs and replacement from this team. Emergency work runs 24/7, and one customer recalls a plumber arriving after hours. The business is licensed under 397372C. Blocked drain clearing sits alongside the hot water work, so one visit can cover a failed unit and a slow drain.
#2Ready Set Plumb for hot water upgrades to solar and heat pump systems
24/7Licence publishedBased in Lane CoveReady Set Plumb is a Lane Cove business with Willoughby in its patch. Electric, gas, solar and heat pump hot water systems all fall within its scope, from fixes through to new installations. Ready Set Plumb's licence is 266660C. Same-day call-outs across Sydney include no hot water. Booking a hot water upgrade ahead and picking a 2 to 3 hour arrival window helps. HomePro Credit finance is open to homeowners on eligible jobs above $1,000.

#3Dee Why Plumbers for hot water maintenance and replacement in strata buildings
Licence publishedBased in Beacon HillBeacon Hill is home base for Dee Why Plumbers, which also serves Willoughby within a wide northern run. Hot water repairs, installs, scheduled maintenance and full replacements are all on offer. Strata schemes and property managers are among its clients, so a block of units can deal with one firm. Its licence reads 271705C. Free quotes are offered, and pricing is described as upfront, though no figures are given. Weekday hours run from 7am to 8:30pm.

#4Killara Plumbing for hot water installs and repairs on electric, gas and solar systems
24/7Licence publishedBased in ChatswoodKillara Plumbing sits in Chatswood and covers Willoughby. Installs and repairs cover electric, gas and solar units, and the team includes master plumbers and licensed gas fitters. Licence number 355316C belongs to the business. Its emergency service is listed as 24/7, including weekends and public holidays, and gas fitting falls under that too. The firm has been in business since 1979. Customer feedback calls the team experienced, knowledgeable and polite.

#5Savvy Solutions Plumbing for hot water servicing and repairs day or night
24/7Licence publishedBased in Beacon HillSavvy Solutions Plumbing works from Beacon Hill and reaches Willoughby. Repairs, installs and servicing make up the hot water side, and scheduled maintenance is there to head off faults early. Gas appliance installs are also in its remit. Its 24/7 coverage means an urgent call doesn't have to wait for business hours. Savvy holds licence 224733. Fee explanations and straight advice come up in customer feedback.

#6Flow Plumbing for faulty hot water thermostats and gas heater installs
24/7Licence publishedBased in NaremburnFlow Plumbing, based in Naremburn, also takes Willoughby jobs. The firm repairs or swaps out hot water tanks and faulty thermostats, and suggests more efficient units. On the gas side it fits heaters and stoves, and fixes leaks. 359381C is the licence number. Overnight emergencies include gas leaks, burst pipes and sewer surcharges. Dan, one of its plumbers, is singled out by regulars for speed and reliability.
Compare hot water plumbers in Willoughby
The table sets the picks side by side on where each is based, emergency cover and licence.
| Plumber | Based in | After hours | Licence | Google rating |
|---|---|---|---|---|
| Crossroads Plumbing | Killara | 24/7 | โ | โ 5.0 (678) |
| Ready Set Plumb | Lane Cove | 24/7 | โ | โ 4.9 (334) |
| Dee Why Plumbers | Beacon Hill | โ | โ | โ 5.0 (207) |
| Killara Plumbing | Chatswood | 24/7 | โ | โ 4.8 (354) |
| Savvy Solutions Plumbing | Beacon Hill | 24/7 | โ | โ 5.0 (102) |
| Flow Plumbing | Naremburn | 24/7 | โ | โ 4.9 (104) |
| Tai Irwin Plumbing Forestville | Forestville | 24/7 | โ | โ 4.9 (97) |
| Mates Rates Plumbing Eastwood | Eastwood | 24/7 | โ | โ 4.9 (66) |
| Inline Plumbing & Electrical | Willoughby | 24/7 | โ | โ 4.6 (142) |
| Pipe & Barrel Plumbing | Enmore | โ | โ | โ 4.8 (50) |
| STS Plumbing | Crows Nest | After hours | โ | โ 4.9 (27) |
| Gladesville Plumbing Services | Gladesville | 24/7 | โ | โ 4.6 (69) |
| East Coast Plumbers | Brookvale | 24/7 | โ | โ 5.0 (25) |
| PH7 Plumbing | McMahons Point | 24/7 | โ | โ 5.0 (7) |
| Benny & The Jets Plumbing Services | North Willoughby | 24/7 | โ | โ 4.5 (15) |
| Jeremy Macpherson Plumbing Pty Ltd | Caringbah | 24/7 | โ | โ 4.4 (52) |
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 Willoughby
Customer feedback counts most, and a larger pool of it counts for more. Businesses move up for stating their own after-hours cover, for showing a licence number, and for working from the suburb itself. Every business's own site text is checked for hot water detail. Those that score lower don't make the list.
Hot water plumbers in Willoughby: FAQ
Which hot water plumbers in Willoughby take after-hours calls?
Crossroads Plumbing and Killara Plumbing both run emergency work around the clock. Savvy Solutions Plumbing offers 24/7 cover too, and Flow Plumbing's overnight work reaches gas leaks.
Who in Willoughby offers free quotes for a hot water job?
Dee Why Plumbers and Ready Set Plumb both list free quotes.
Do any of these plumbers take strata work?
Yes, Dee Why Plumbers has strata schemes among its clients, and Flow Plumbing lists strata maintenance.