Is your energy bill out of control? You’re not alone. The average Australian household spends over $1,600 per year on electricity — and prices are still climbing. One simple solution? Upgrade to the best smart home devices in 2025. With so many options available, it’s easy to feel overwhelmed. But what if you could cut your power bills without hiring an electrician or learning how to rewire your home?
We’ve rounded up 5 of the best smart home devices in 2025 that are simple to set up, affordable, and can start saving you money right away.
Smart Plugs for Energy Control
What it is
Smart plugs are compact adapters that plug into your wall socket, allowing you to control the power to whatever device is plugged in — like kettles, fans, heaters, or gaming consoles — via your phone or voice assistant (like Alexa or Google).
How it saves you money
- Helps eliminate “phantom” energy usage from devices left on standby
- Allows you to schedule shutdowns (like turning off a heater at 10PM automatically)
- Monitors real-time electricity usage so you can spot energy hogs
How much it costs
Smart plugs range from $15–$40 AUD, with more expensive options offering energy tracking or app features.
Where to buy
Available at Bunnings, Kogan, Amazon AU, Officeworks, and JB Hi-Fi. Look for TP-Link, Arlec Grid Connect, or Mirabella Genio models.
Smart Thermostats — Smarter Heating & Cooling
What it is
A smart thermostat replaces or supplements your standard wall thermostat and learns your schedule, allowing you to adjust temperatures from your phone or automatically based on usage patterns.
How it saves you money
- Reduces overuse of air conditioning and heating — major electricity culprits in Australia
- Allows geofencing — turning off when you’re not home
- Improves overall efficiency of split systems or ducted heating
How much it costs
Expect to spend between $200–$400 AUD plus installation (if needed). Newer models may be DIY-friendly.
Where to buy
Popular brands include Google Nest, ecobee, Sensibo, and Tado. Available from JB Hi-Fi, Amazon, or direct online stores.
Smart LED Bulbs — Lower Energy, Longer Life, More Control
What it is
Smart LED bulbs are energy-efficient lights that you can control with your smartphone, tablet, or voice assistant. You can turn them on/off remotely, dim them, or even set colour temperatures and schedules — no electrician required.
How it saves you money
- Use up to 80% less energy than traditional bulbs
- Last 10–20 times longer
- Let you automate lights to turn off when you’re not in the room or away
How much it costs
Expect to pay around $15–$30 AUD per bulb. Multipacks offer better value.
Where to buy
Sold at Bunnings, JB Hi-Fi, Officeworks, Amazon AU. Top brands: TP-Link, Philips Hue, Mirabella Genio.
Smart Water Leak Sensors — Catch Leaks Before They Cost You Thousands
What it is
These are small wireless sensors that detect moisture in areas like under sinks, near washing machines, or hot water systems. They alert you instantly via app if they detect leaks or flooding.
How it saves you money
- Prevent costly water damage and mould repairs
- Alert you early to hidden leaks that drive up water bills
- May qualify you for home insurance discounts
How much it costs
Most cost $30–$90 AUD. Battery lasts 1–2 years.
Where to buy
Find them on Amazon AU, Kogan, or stores selling smart home gear. Brands include Eve, Aqara, and Ring.
Smart Power Boards — Control Multiple Devices the Smarter Way
What it is
Smart power boards allow you to individually control each plug via an app or voice command. Great for media rooms, offices, and multi-device areas.
How it saves you money
- Reduce phantom energy across several devices at once
- Automate switch-off schedules at night or work hours
- Monitor usage from multiple devices
How much it costs
Typically $50–$120 AUD, depending on number of outlets and features.
Where to buy
Look for TP-Link, Arlec, and Meross brands on Amazon, Bunnings, and Officeworks.
Final Thoughts on the Best Smart Home Devices for Energy Savings
You don’t need to invest thousands or rewire your home to start saving on electricity. These smart gadgets are affordable, easy to install, and make a real impact — especially when energy bills are rising fast.
Start with just one that suits your lifestyle. It could pay for itself within months.
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