Hot Water System Replacement cost in Australia
Supply and install new hot water system (gas or electric storage). Here is what it typically costs, what is and isn't included, and how prices shift by city — then check your own quote against it.
Typical price
$1,500 – $5,000
Most people pay around $2,800
National guide (Sydney baseline). Confidence: high. Last reviewed 2026-05-25.
Materials
Materials are usually included in the quoted price.
Includes unit + install. Heat pump and continuous-flow gas systems push to top of range.
GST & fees
Quotes usually include GST.
Hot Water System Replacement prices by city
City figures apply local cost-of-living adjustments to the national guide.
| City | Typical range | Around |
|---|---|---|
| Sydney | $1,500 – $5,000 | $2,800 |
| Melbourne | $1,380 – $4,600 | $2,576 |
| Brisbane | $1,275 – $4,250 | $2,380 |
| Perth | $1,230 – $4,100 | $2,296 |
| Adelaide | $1,170 – $3,900 | $2,184 |
| Canberra | $1,395 – $4,650 | $2,604 |
| Hobart | $1,230 – $4,100 | $2,296 |
| Darwin | $1,320 – $4,400 | $2,464 |
| Gold Coast | $1,245 – $4,150 | $2,324 |
| Toowoomba | $1,170 – $3,900 | $2,184 |
| Ballarat | $1,260 – $4,200 | $2,352 |
| Bendigo | $1,245 – $4,150 | $2,324 |
| Townsville | $1,275 – $4,250 | $2,380 |
| Mackay | $1,380 – $4,600 | $2,576 |
| Albury-Wodonga | $1,200 – $4,000 | $2,240 |
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