Last reviewed: 1 August 2026 by the Ozbuyz Store Editorial Team.
Quick answer: Choose an electric heater by how and where you need warmth. Convection and oil-column models suit gradual whole-room heating in enclosed spaces; fan heaters provide faster local warm-up; radiant heaters warm people and objects directly. Rated wattage and hours used determine maximum electricity consumption, while design, thermostat behaviour and room conditions determine comfort.
There is no universally best portable heater. The correct choice depends on room volume, insulation, noise tolerance, available floor space, clearances, controls and whether the product is approved for the intended location.
Electric heater types compared
| Type | How heat is delivered | Often useful for | Check before buying |
|---|---|---|---|
| Panel or convection | Warms air that circulates through an enclosed room | Bedrooms, studies and smaller living rooms used for longer periods | Thermostat, noise, mounting instructions, stability and clearance |
| Oil column | Element heats permanently sealed oil, which transfers heat through fins | Quiet, gradual heating in an enclosed room | Warm-up expectations, hot surfaces, castors, controls and stability |
| Fan or ceramic | Fan moves air across a heating element | Brief local warm-up where noise is acceptable | Fan noise, dust cleaning, tip-over protection and location suitability |
| Radiant or infrared | Directly warms people and objects in its line of sight | Short sessions or a defined occupied zone | Hot element, direction, guards, tip-over protection and combustible clearance |
How to choose for the room
Bedroom
Prioritise quiet operation, stable controls, appropriate clearances and the manufacturer’s guidance about unattended use. Do not treat any portable heater as automatically suitable for overnight operation. Keep it away from bedding, curtains and clothing, and consider improving bedding and draught control so the heater can be switched off earlier.
Living area
Check whether the room can be closed. Portable convection heaters work more predictably in an enclosed zone than in a large open-plan space. For regular heating of a substantial living area, compare a correctly sized reverse-cycle system because government guidance identifies it as generally more efficient than standard electric resistance heating.
Home office
A lower-powered local heater may be sufficient when only one workstation needs warmth. Position it so papers, cables, chairs and curtains cannot enter the clearance zone.
Bathroom or wet area
Water and electricity require special precautions. Do not place an ordinary portable heater in a bathroom. Use only products and installations specifically designed and compliant for that location, with licensed electrical work where required.
Wattage and running cost
A 2 kW resistance heater drawing full power uses about 2 kWh in one hour regardless of whether it is a panel, oil-column, fan or radiant design. The hourly maximum cost is the rated input multiplied by your electricity tariff. A thermostat can reduce active heating time after the room reaches the setting, but actual cycling depends on the room and how the controls are used.
Use the calculator and examples in How Much Does It Cost to Run an Electric Heater?.
Features worth comparing
- Thermostat: compare whether it is a simple mechanical control or a displayed temperature setting.
- Timer: useful for planned shut-off, but it does not replace supervision or the manual.
- Tip-over and overheat protection: important safeguards, not permission to reduce clearances.
- Stable base and castors: check movement on the actual floor surface.
- Noise: fan heaters and fan-assisted modes may be unsuitable for sleep or calls.
- Controls after power interruption: confirm whether the unit restarts automatically.
- Cleaning access: dust around inlets, outlets and elements can affect safe operation.
Safety checks before first use each winter
- Inspect the cord, plug, casing and controls and stop using damaged equipment.
- Place the heater on a flat, level surface.
- Keep at least one metre from bedding, curtains, furniture, clothing and other combustibles, or more when the manual specifies it.
- Use one high-load appliance per power point and avoid overloaded power boards and extension leads.
- Never cover the heater or use it to dry clothes.
- Supervise children and pets.
- Check current Australian product recalls.
Decision checklist
- Is the goal whole-room heat or direct personal warmth?
- Can the room be closed, and how large is its volume?
- What does the manufacturer say about room suitability and placement?
- Will fan noise, hot surfaces or a bulky footprint cause a problem?
- Does the product have the controls and safety features you need?
- What will full-power operation cost at your tariff?
Compare current specifications in the electric heater collection and use the broader heater collection when an installed or outdoor option may be more appropriate.
Frequently asked questions
Are oil-column heaters cheaper than fan heaters?
Not simply because of the design. At full power, heaters with the same rated input use the same amount of electricity. Differences arise from how the heat feels, thermostat cycling, room conditions and how long the appliance is operated.
Which heater warms a room fastest?
A fan heater can produce noticeable local warmth quickly, while convection and oil-column models are generally more gradual. Fast sensation does not prove that the whole room is heated efficiently.
Can I connect a heater to a power board?
High-load heaters can overload unsuitable connections. Australian winter-safety advice says to use one appliance per power point. Follow the heater and power-board instructions and have damaged or inadequate outlets checked by a licensed electrician.
Which heater is safest for children or pets?
No portable heater is risk-free. Compare stability, guards, surface warnings, tip-over and overheat protection, then maintain clearances and active supervision.
Research and review method
Reviewed against Australian Government heating-efficiency guidance, the June 2026 ACCC Product Safety winter advice and Fire and Rescue NSW clearance guidance. Model-specific instructions remain the primary source for safe use.