Few things disrupt a household like waking up to no hot water. If you’ve got an electric hot water system, the good news is that many faults are straightforward fixes for a licensed electrician. Here’s what commonly goes wrong, what it means, and when it’s worth repairing versus replacing.
Common electric hot water faults
- Faulty heating element — the most common cause of no hot water. Elements wear out over time and are usually a relatively inexpensive replacement.
- Failed thermostat — if the water is scalding, lukewarm, or not heating at all, the thermostat may have failed.
- Tripped circuit or safety switch — sometimes the issue is electrical rather than the unit itself, and the system simply isn’t getting power.
- Off-peak/tariff issues — many Brisbane homes run hot water on a controlled off-peak tariff; if the timing or wiring is off, you can run out of hot water.
- Leaking tank — a leaking tank usually means the system is near the end of its life and needs replacing rather than repairing.
Repair or replace?
As a rule of thumb, if your system is under about 8–10 years old and the fault is an element or thermostat, repair is the sensible, cost-effective option. If the tank itself is leaking or the unit is well past a decade old and failing repeatedly, replacement is usually the smarter spend. A licensed electrician can quickly diagnose which camp you’re in.
What does it cost?
Replacing a heating element or thermostat is one of the more affordable electrical repairs, while a full system replacement is a larger investment that depends on the type and size of unit. Because every situation differs, we always diagnose first and quote clearly before any work goes ahead.
Why use a licensed electrician
Electric hot water systems are hard-wired and run on dedicated circuits, so repairs and replacements are electrical work that must be carried out by a licensed electrician in Queensland. It’s not a DIY job — both for safety and compliance.
Get your hot water sorted
If you’ve lost hot water or your system is playing up, Integrated Trade Services diagnoses and repairs electric hot water systems across Brisbane. Often it’s a same-day fix. See our electrical services or call 0400 775 002.