Upgrade
Hot Water System Upgrades for Sydney Homes - Better Efficiency, Lower Bills
Upgrade your old hot water system to a more efficient, modern solution with better performance.
- ✓ Energy efficiency
- ✓ Modern technology
- ✓ Better performance
- ✓ Cost savings
Starting from $1,800
About our hot water upgrades service
Infinity Hot Water provides fast, reliable hot water upgrades across Sydney, the Central Coast and Newcastle. Whether you are dealing with a sudden breakdown, planning an upgrade, or comparing systems for a new build, our licensed plumbers and gasfitters handle every job from initial site visit through to final commissioning and council compliance paperwork.
We service every major brand — Rheem, Rinnai, Dux, Bosch, AquaMAX, Vulcan, Sanden, Reclaim Energy, Stiebel Eltron, Thermann, Chromagen and iStore — and carry common spare parts on every van so most jobs are completed in a single visit. Upgrade your old hot water system to a more efficient, modern solution with better performance.
All work is quoted up front in writing, completed to AS/NZS 3500 standards, and backed by a 12-month workmanship warranty plus full manufacturer warranty on any new equipment installed. Call 0420 102 207 for a same-day appointment or request a quote online.
What's included
Every job comes with these as standard.
Why choose Infinity Hot Water
What sets our service apart.
Same-day service
Urgent jobs answered within 90 minutes across the Sydney metro, Central Coast and Newcastle / Lake Macquarie.
Fixed up-front pricing
Written quotes before work starts. No hidden call-out fees, no surprises on the invoice.
Licensed specialists
NSW-licensed plumbers and gasfitters with manufacturer accreditation for Rheem, Rinnai, Dux, Bosch and more.
12-month workmanship warranty
Every job is backed in writing, on top of the full manufacturer warranty on any new equipment.
Genuine spare parts
Vans stocked with valves, elements, thermostats, anodes and PTR valves so most repairs are done in one visit.
Rebate paperwork handled
For heat pump and solar installs we lodge the small-scale technology certificates (STCs) so you receive the rebate at point of sale.
How our hot water upgrades service works
1. Site assessment
We measure your household demand (people, bathrooms, peak usage), check existing connections, and recommend the right size and type of system.
2. Fixed written quote
You get an itemised quote — unit, install, removal of the old system, valves, electrical or gas work, and any compliance certificates — with no hidden extras.
3. Professional installation
Licensed plumbers and gasfitters install to AS/NZS 3500, comply with the relevant gas / electrical / energy ratings, and remove the old unit from site.
4. Commissioning & paperwork
We commission the system, set safe tempering valves to 50°C, lodge compliance certificates and register the manufacturer warranty in your name.
Hot Water Upgrades pricing
Indicative pricing across Sydney, Central Coast & Newcastle. Every job is quoted in writing before any work begins — no hidden call-out fees.
| Item | From |
|---|---|
| Hot Water Upgrades — call-out & diagnosis | $0 |
| Typical hot water upgrades job | $1,800 |
| After-hours / weekend surcharge | From $90 |
| Full system replacement (if recommended) | From $1,500 |
Brands we service
Accredited service and installation for every major Australian hot water brand.
Hot Water Upgrades — frequently asked questions
Hot Water Upgrades — suburbs we cover
- Hot Water Upgrades in Allambie Heights
- Hot Water Upgrades in Artarmon
- Hot Water Upgrades in Asquith
- Hot Water Upgrades in Balgowlah Heights
- Hot Water Upgrades in Beecroft
- Hot Water Upgrades in Belrose
- Hot Water Upgrades in Cammeray
- Hot Water Upgrades in Carlingford
- Hot Water Upgrades in Castle Cove
- Hot Water Upgrades in Castlecrag
- Hot Water Upgrades in Chatswood
- Hot Water Upgrades in Cheltenham
- Hot Water Upgrades in Cherrybrook
- Hot Water Upgrades in Cremorne
- Hot Water Upgrades in Davidson
- Hot Water Upgrades in Duffys Forest
- Hot Water Upgrades in East Killara
- Hot Water Upgrades in East Ryde
- Hot Water Upgrades in Eastwood
- Hot Water Upgrades in Epping
- Hot Water Upgrades in Ermington
- Hot Water Upgrades in Forestville
- Hot Water Upgrades in Frenchs Forest
- Hot Water Upgrades in Gladesville
- Hot Water Upgrades in Gordon
- Hot Water Upgrades in Greenwich
- Hot Water Upgrades in Hornsby
- Hot Water Upgrades in Hunters Hill
- Hot Water Upgrades in Killara
- Hot Water Upgrades in Killarney Heights
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Gas Hot Water Systems
Gas hot water installation, repair, and maintenance for continuous and storage systems.
Need hot water upgrades today?
Call Infinity Hot Water on 0420 102 207 for same-day service across Sydney, the Central Coast and Newcastle — or request a written quote online.