It’s a cold morning. You’re half-asleep. You reach for the shower tap… and all you care about is whether the water is hot.
But behind that moment of comfort is a big decision most homeowners never really think about. That is, until the system breaks or the bill gets out of hand.
So what are Aussies actually using to heat their water in 2025? What’s changing? And what should you know if you’re considering an upgrade?
Let’s take a look.
What Most Homes Are Using in 2025
About half of Aussie households still use electric storage systems. They’re simple, affordable, and often just… there. But unless they’re connected to solar, they can be one of the most expensive systems to run in winter.
Gas systems are also common, especially in older suburbs with gas mains access. They heat water quickly and reliably, and around 45% of homes still use them. But with gas prices creeping up, they’re not always the best long-term bet.
The Rise of Solar and Heat Pumps
More homeowners are now thinking long-term.
Solar hot water systems are growing fast, especially in sun-soaked states like Queensland and Western Australia. They’re more expensive to install but incredibly cheap to run over time.
Heat pump systems are another strong contender. They use a refrigeration cycle to pull heat from the air, making them super efficient even when the air feels cool. You’ll see these in new builds or with environmentally conscious households.
These options are popular because they’re future-proof, energy-efficient, and environmentally friendly.
Why It Matters for You
Still using an old system? You could be paying more than you need to.
Most hot water systems lose efficiency as they age. Even if yours is still working, it might not be working well.
This is especially important if you’re thinking about selling or renovating. A modern, efficient hot water system can be a selling point. Buyers (and renters) are more aware of running costs than ever before.
If you’re not sure which system suits your home, we’ve got a more detailed breakdown here:
👉 Thinking about switching your hot water system? Here’s what you need to know
Final Thoughts
We’re heading into winter. If you’re already noticing longer heating times or higher bills, it might be time for a quick checkup.
You don’t need to replace your system today. But having the right info means you can plan ahead and avoid surprises.
Need advice? Contact RJT Plumbing and Gas, your local licensed and certified plumber to help you choose and install the right system for your home.
